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Which property do these two objects have in common? | [
"soft",
"breakable"
] | 0 | Select the better answer. | closed choice | grade2 | natural science | physics | Materials | Compare properties of objects | An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells.
Different objects can have the same properties. You can use these properties to put objects into groups. | Look at each object.
For each object, decide if it has that property.
A breakable object will break into pieces if you drop it. Neither of the objects are breakable.
A soft object changes shape when you squeeze it. Both objects are soft.
The property that both objects have in common is soft. | |
Not supported with pagination yet | Which logical fallacy is used in the text?
That candidate argues that we should install parking meters downtown and start charging people to park there. How could any sensible person argue that eliminating parking downtown is going to help this city? | [
"slippery slope fallacy: the false assumption that a small first step will lead to extreme consequences",
"bandwagon fallacy: the assumption that the popular choice is automatically correct",
"straw man: a misrepresentation of an opponent's position that makes it easier to argue against"
] | 2 | closed choice | grade10 | language science | writing-strategies | Developing and supporting arguments | Classify logical fallacies | A strong argument uses valid reasoning and logic in support of a claim. When an argument or claim introduces irrelevant information or misrepresents the issues at hand, it may be committing a logical fallacy. Logical fallacies can hurt a writer's credibility and can lead readers to draw false conclusions.
A logical fal... | The text argues that the candidate wants to eliminate parking downtown. However, this misrepresents the candidate's argument. The candidate argues that he wants to charge people to park downtown, not eliminate parking. This illustrates a type of logical fallacy known as a straw man. | |
Not supported with pagination yet | Is the following trait inherited or acquired?
Kendrick has naturally black hair. | [
"acquired",
"inherited"
] | 1 | closed choice | grade5 | natural science | biology | Traits and heredity | Identify inherited and acquired traits | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | Humans do not choose their natural hair color. Some people dye their hair. But this does not change their natural hair color.
Children get their natural hair color from their parents. So, Kendrick's hair color is an inherited trait. | |
Not supported with pagination yet | Which logical fallacy is used in the text?
Every major league baseball player hits with a wooden bat. So, to improve my hitting, I've switched from an aluminum bat to a wooden one. | [
"straw man: a misrepresentation of an opponent's position that makes it easier to argue against",
"false causation: the assumption that because two things happened together, one caused the other",
"circular reasoning: an argument that supports a claim with the claim itself"
] | 1 | closed choice | grade11 | language science | writing-strategies | Developing and supporting arguments | Classify logical fallacies | A strong argument uses valid reasoning and logic in support of a claim. When an argument or claim introduces irrelevant information or misrepresents the issues at hand, it may be committing a logical fallacy. Logical fallacies can hurt a writer's credibility and can lead readers to draw false conclusions.
A logical fal... | The text argues that because professional baseball players hit with a wooden bat, the speaker thinks her hitting will improve if she switches to a wooden bat. However, this is not necessarily true. Professional baseball players hit with a wooden bat because it's required by the rules of professional baseball. So, they ... | |
Which animal's feet are also adapted for sticking to smooth surfaces? | [
"prairie dog",
"tiger-striped leaf frog"
] | 1 | s live in the forests of Madagascar. They spend most of their lives in trees. The feet of the are adapted to stick to the smooth surfaces of leaves and stems.
Figure: Madagascar day gecko. | closed choice | grade5 | natural science | biology | Adaptations | Animal adaptations: feet and limbs | An adaptation is an inherited trait that helps an organism survive or reproduce. Adaptations can include both body parts and behaviors.
The shape of an animal's feet is one example of an adaptation. Animals' feet can be adapted in different ways. For example, webbed feet might help an animal swim. Feet with thick fur m... | Look at the picture of the Madagascar day gecko.
The Madagascar day gecko has wide, sticky toes. Its feet are adapted for sticking to smooth surfaces. The Madagascar day gecko uses its toes to walk on the smooth surfaces of leaves without slipping.
Now look at each animal. Figure out which animal has a similar adaptati... | |
Not supported with pagination yet | Is the following trait inherited or acquired?
Becky has a scar on her right knee. | [
"acquired",
"inherited"
] | 0 | Hint: Most scars are caused by accidents during a person's life. | closed choice | grade3 | natural science | biology | Heredity | Identify inherited and acquired traits | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | Children do not inherit their parent's scars. Instead, scars are caused by the environment. People can get scars after they get hurt. So, having a scar is an acquired trait. |
What is the capital of New Hampshire? | [
"Santa Fe",
"Fairbanks",
"Manchester",
"Concord"
] | 3 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Northeast | Concord is the capital of New Hampshire. | |||
During this time, thermal energy was transferred from () to (). | [
"the surroundings . . . each salmon",
"each salmon . . . the surroundings"
] | 0 | Colin lit the charcoal in his grill to cook two identical salmon. He put one fish on the left half of the grill and one fish on the right half of the grill. This table shows how the temperature of each salmon changed over 6minutes. | closed choice | grade7 | natural science | physics | Thermal energy | Compare thermal energy transfers | A change in an object's temperature indicates a change in the object's thermal energy:
An increase in temperature shows that the object's thermal energy increased. So, thermal energy was transferred into the object from its surroundings.
A decrease in temperature shows that the object's thermal energy decreased. So, th... | The temperature of each salmon increased, which means that the thermal energy of each salmon increased. So, thermal energy was transferred from the surroundings to each salmon. | |
Not supported with pagination yet | What information supports the conclusion that Ellen acquired this trait? | [
"Ellen and her father play the cello together.",
"Ellen learned how to play the cello in music class.",
"Ellen knows how to polish her cello."
] | 1 | Read the description of a trait.
Ellen can play the cello. | closed choice | grade7 | natural science | biology | Genes to traits | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down from biological parents to their offspring through genes. Genes are pieces of hereditary material that contain the instructions that affect inherited traits.... | |
Not supported with pagination yet | Compare the motion of three geese. Which goose was moving at the lowest speed? | [
"a goose that moved 210miles south in 5hours",
"a goose that moved 285miles north in 5hours",
"a goose that moved 435miles west in 5hours"
] | 0 | closed choice | grade3 | natural science | physics | Force and motion | Compare the speeds of moving objects | An object's speed tells you how fast the object is moving. Speed depends on both distance and time.
Distance tells you how far the object has moved. One unit used to measure distance is the mile.
Time tells you how long the object has spent moving. One unit used to measure time is the hour.
Think about objects moving f... | Look at the distance each goose moved and the time it took to move that distance. The direction each goose moved does not affect its speed.
Notice that each goose moved for 5 hours. The goose that moved 210 miles moved the shortest distance in that time. So, that goose must have moved at the lowest speed. | |
Will these magnets attract or repel each other? | [
"attract",
"repel"
] | 1 | Two magnets are placed as shown.
Hint: Magnets that attract pull together. Magnets that repel push apart. | closed choice | grade3 | natural science | physics | Magnets | Identify magnets that attract or repel | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart.
Whether a magnet attracts or repels other magnets depends on the positions of its poles, or ends. Every magnet has two poles, called north and south.
Here are some examples of magnets.... | Will these magnets attract or repel? To find out, look at which poles are closest to each other.
The south pole of one magnet is closest to the south pole of the other magnet. Poles that are the same repel. So, these magnets will repel each other. | |
Which continent is highlighted? | [
"Africa",
"Australia",
"North America",
"Europe"
] | 1 | closed choice | grade8 | social science | geography | Physical Geography | Oceans and continents | A continent is one of the major land masses on the earth. Most people say there are seven continents. | This continent is Australia. | ||
Not supported with pagination yet | Select the animal that has a backbone. | [
"gray tree frog",
"curlyhair tarantula"
] | 0 | Hint: Mammals, birds, fish, reptiles, and amphibians all have backbones. | closed choice | grade2 | natural science | biology | Classification | Identify animals with and without backbones | Some animals have a backbone. The backbone is made of many bones in an animal's back. An animal's backbone helps connect the different parts of its body. In the drawings below, each animal's backbone is colored orange.
Other animals do not have a backbone. In fact, these animals don't have any bones! Some animals witho... | A gray tree frog is an amphibian. Like other amphibians, a gray tree frog has a backbone.
Like other tarantulas, a curlyhair tarantula does not have a backbone. It has a hard outer cover. |
Which property matches this object? | [
"sour",
"bumpy"
] | 1 | Select the better answer. | closed choice | grade2 | natural science | physics | Materials | Identify properties of an object | An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells. | Look at the object.
Think about each property.
A bumpy object is covered in lumps and bumps. The corn on the cob is bumpy.
A lemon has a sour taste. The corn on the cob is not sour. | |
Is the following statement about our solar system true or false?
The volume of Mercury is less than one-tenth of the volume of Earth. | [
"false",
"true"
] | 1 | Use the data to answer the question below. | true-or false | grade6 | natural science | earth-science | Astronomy | Analyze data to compare properties of planets | A planet's volume tells you the size of the planet.
The primary composition of a planet is what the planet is made mainly of. In our solar system, planets are made mainly of rock, gas, or ice. | To determine if this statement is true, calculate the value of one-tenth the volume of Earth.
Then compare the result to the volume of Mercury. The volume of Mercury is 60 billion km^3, which is less than 109 billion km^3. So, the volume of Mercury is less than one-tenth of the volume of Earth. | |
What can Seth and Mary trade to each get what they want? | [
"Seth can trade his tomatoes for Mary's carrots.",
"Seth can trade his tomatoes for Mary's broccoli.",
"Mary can trade her broccoli for Seth's oranges.",
"Mary can trade her almonds for Seth's tomatoes."
] | 1 | Trade happens when people agree to exchange goods and services. People give up something to get something else. Sometimes people barter, or directly exchange one good or service for another.
Seth and Mary open their lunch boxes in the school cafeteria. Neither Seth nor Mary got everything that they wanted. The table be... | closed choice | grade8 | social science | economics | Basic economic principles | Trade and specialization | Look at the table and images.
Seth wants broccoli. Mary wants tomatoes. They can trade tomatoes for broccoli to both get what they want. Trading other things would not help both people get more items they want. | ||
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is greater in Pair 1."
] | 0 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different sizes and shapes. | closed choice | grade5 | natural science | physics | Magnets | Compare magnitudes of magnetic forces | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes between magnets are called magnetic forces.
The strength of a force is called its magnitude. The greater the magnitude of the magnetic force between two magnets,... | Magnet sizes affect the magnitude of the magnetic force. Imagine magnets that are the same shape and made of the same material. The larger the magnets, the greater the magnitude of the magnetic force between them.
Magnet A is the same size in both pairs. But Magnet B is larger in Pair 2 than in Pair 1. So, the magnitud... | |
Not supported with pagination yet | What information supports the conclusion that Trent acquired this trait? | [
"Trent's neighbor taught him how to repair a kite.",
"Trent likes to fly a kite with his younger brother.",
"Trent's friend taught him how to fly a kite."
] | 2 | Read the description of a trait.
Trent knows how to fly a kite. | closed choice | grade8 | natural science | biology | Genes to traits | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down from biological parents to their offspring through genes. Genes are pieces of hereditary material that contain the instructions that affect inherited traits.... | |
Not supported with pagination yet | Select the one animal that has all of the fish traits listed above. | [
"Goldfish hatch from eggs with no shells and have scaly skin. They are popular as pets in many countries today. They were first kept as pets by people in ancient China. Goldfish have fins and live underwater.",
"Greater flameback woodpeckers have feathers and two wings. They use their strong beaks to make holes i... | 0 | Fish are a group of animals with similar traits. The following traits can be used to identify fish:
They have fins, not limbs.
They make eggs with no shells. Observe the animals and read the descriptions. | closed choice | grade5 | natural science | biology | Classification | Use evidence to classify mammals, birds, fish, reptiles, and amphibians | Scientists sort animals with similar traits into groups. This is called classification. Classification helps scientists learn about how animals live.
How do scientists classify animals? First, they make observations about an animal. Scientists observe the animal's traits, including its body parts and behavior. Then, sc... | To decide if an animal is part of a group, look at the traits of the group.
Fish have the following traits:
They have fins, not limbs.
They make eggs with no shells.
Compare each animal's traits to the group's traits. Select the animal with traits similar to the group's traits.
A goldfish has the following traits:
It h... |
Not supported with pagination yet | Which tense does the sentence use?
Akiko teaches Lindsey about customs in Japan. | [
"present tense",
"past tense",
"future tense"
] | 0 | closed choice | grade4 | language science | verbs | Verb tense | Is the sentence in the past, present, or future tense? | Present tense verbs tell you about something that is happening now.
Most present-tense verbs are regular. They have no ending, or they end in -s or -es.
Two verbs are irregular in the present tense, to be and to have. You must remember their forms.
Past tense verbs tell you about something that has already happened.
Mo... | The sentence is in present tense. You can tell because it uses a present-tense verb, teaches. The verb ends in -es and tells you about something that is true or happening now. | |
Not supported with pagination yet | Which text uses the word nauseous in its traditional sense? | [
"The odor emanating from the landfill made Scarlett so nauseous that she had to roll up the car windows as she drove past.",
"Scarlett couldn't tolerate the nauseous odor emanating from the landfill, so she rolled up her car windows as she drove past."
] | 1 | closed choice | grade12 | language science | writing-strategies | Word usage and nuance | Explore words with new or contested usages | Words change in meaning when speakers begin using them in new ways. For example, the word peruse once only meant to examine in detail, but it's now also commonly used to mean to look through in a casual manner.
When a word changes in meaning, its correct usage is often debated. Although a newer sense of the word may be... | The first text uses nauseous in its traditional sense: causing disgust or nausea.
Scarlett couldn't tolerate the nauseous odor emanating from the landfill, so she rolled up her car windows as she drove past.
The second text uses nauseous in its nontraditional sense: feeling disgusted or nauseated.
The odor emanating fr... | |
Which material is this bridge made of? | [
"asphalt",
"ceramic"
] | 0 | closed choice | grade2 | natural science | physics | Materials | Identify multiple materials in objects | A material is a type of matter. Wood, glass, metal, and plastic are common materials.
Some objects are made of just one material.
Most nails are made of metal.
Other objects are made of more than one material.
This hammer is made of metal and wood. | Look at the picture of the bridge.
The bridge is made of two different materials. The surface is asphalt. The rest of the bridge is made of metal.
Asphalt and metal are good materials to build bridges with. Both materials are strong. They hold up well in cold or rainy weather. | ||
Not supported with pagination yet | Does the sentence use a simile or a metaphor?
In this desert, the land is as hard as brick. | [
"metaphor",
"simile"
] | 1 | closed choice | grade4 | language science | figurative-language | Literary devices | Identify similes and metaphors | Similes and metaphors are figures of speech that compare two things that are not actually alike.
A simile compares two things by saying that one is like the other. Similes often use the words like and as.
My sister runs like a cheetah.
The sister's running and a cheetah's running are compared using the word like.
A che... | In this desert, the land is as hard as brick.
The words land and brick are compared using the word as. So, the sentence uses a simile. | |
Not supported with pagination yet | Select the one animal that has all of the amphibian traits listed above. | [
"Red-eye tree frogs lay eggs with no shells. When tadpoles first hatch from the eggs, they live in water. When the tadpoles grow into adults, they live in trees. Adult tree frogs have moist, smooth skin and sticky pads on their toes. The sticky pads help the frogs hold on to leaves.",
"Cardinalfish have scaly ski... | 0 | Amphibians are a group of animals with similar traits. The following traits can be used to identify amphibians:
They spend part of their lives in water and part on land.
They have moist skin.
They make eggs with no shells. Observe the animals and read the descriptions. | closed choice | grade5 | natural science | biology | Classification | Use evidence to classify mammals, birds, fish, reptiles, and amphibians | Scientists sort animals with similar traits into groups. This is called classification. Classification helps scientists learn about how animals live.
How do scientists classify animals? First, they make observations about an animal. Scientists observe the animal's traits, including its body parts and behavior. Then, sc... | To decide if an animal is part of a group, look at the traits of the group.
Amphibians have the following traits:
They spend part of their lives in water and part on land.
They have moist skin.
They make eggs with no shells.
Compare each animal's traits to the group's traits. Select the animal with traits similar to th... |
In this food web, which organism contains matter that eventually moves to the mushroom? | [
"Arctic fox",
"collared lemming",
"barren-ground caribou",
"bear sedge"
] | 2 | Below is a food web from a tundra ecosystem in Nunavut, a territory in Northern Canada.
A food web models how the matter eaten by organisms moves through an ecosystem. The arrows in a food web represent how matter moves between organisms in an ecosystem. | closed choice | grade5 | natural science | biology | Ecosystems | Interpret food webs II | A food web is a model.
A food web shows where organisms in an ecosystem get their food. Models can make things in nature easier to understand because models can represent complex things in a simpler way. If a food web showed every organism in an ecosystem, the food web would be hard to understand. So, each food web sho... | Use the arrows to follow how matter moves through this food web. For each answer choice, try to find a path of arrows to the mushroom.
Arrows point from the collared lemming to the earthworm and the Arctic fox. The only arrow pointing from the Arctic fox leads to the earthworm. No arrows point from the earthworm to any... | |
Not supported with pagination yet | What does the metaphor in this text suggest?
Wanda felt a roller coaster of emotions when she heard the news. | [
"Wanda had varied feelings.",
"Wanda found the news scary."
] | 0 | closed choice | grade7 | language science | figurative-language | Literary devices | Interpret figures of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
A metaphor compares two things that are not actually alike without using like or as.
The snow formed a blanket over the town. | The text uses a metaphor, comparing two things that are not actually alike without using like or as.
The metaphor Wanda felt a roller coaster of emotions suggests that Wanda had varied feelings. A roller coaster has a dramatic mix of ups and downs, and so do Wanda's feelings. | |
Which bird's beak is also adapted to tear through meat? | [
"bufflehead",
"bateleur"
] | 1 | s are scavengers. They find and eat the bodies of dead animals. The shape of the 's beak is adapted to tear through meat.
Figure: Cape vulture. | closed choice | grade4 | natural science | biology | Adaptations | Animal adaptations: beaks, mouths, and necks | An adaptation is an inherited trait that helps an organism survive or reproduce. Adaptations can include both body parts and behaviors.
The shape of a bird's beak is one example of an adaptation. Birds' beaks can be adapted in different ways. For example, a sharp hooked beak might help a bird tear through meat easily. ... | Look at the picture of the Cape vulture.
The Cape vulture has a sharp hooked beak. Its beak is adapted to tear through meat. The sharp hook can help the Cape vulture cut the meat into pieces it can swallow.
Now look at each bird. Figure out which bird has a similar adaptation.
The bateleur has a sharp hooked beak. Its ... | |
Not supported with pagination yet | Complete the statement.
Phosphorus trichloride is (). | [
"a compound",
"an elementary substance"
] | 0 | Phosphorus trichloride is used to make chemicals that protect crops from insects. The chemical formula for phosphorus trichloride is PCl3. | closed choice | grade6 | natural science | chemistry | Atoms and molecules | Classify elementary substances and compounds using chemical formulas | There are more than 100 different chemical elements, or types of atoms. Chemical elements make up all of the substances around you.
A substance may be composed of one chemical element or multiple chemical elements. Substances that are composed of only one chemical element are elementary substances. Substances that are ... | You can tell whether phosphorus trichloride is an elementary substance or a compound by counting the number of atomic symbols in its chemical formula. An atomic symbol consists of either one capital letter or a capital letter followed by one or two lowercase letters.
The chemical formula for phosphorus trichloride, PCl... |
Not supported with pagination yet | Which figure of speech is used in this text?
The city of Westford is currently experiencing a minor crisis. Its sanitation workers are on strike, and the garbage is piling up in the streets. | [
"paradox",
"oxymoron"
] | 1 | closed choice | grade12 | language science | figurative-language | Literary devices | Classify the figure of speech: euphemism, hyperbole, oxymoron, paradox | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
A euphemism is a polite or indirect expression that is used to de-emphasize an unpleasant topic.
The head of Human Resources would never refer to firing people, only to laying them off.
Hyperb... | The text uses an oxymoron, a joining of two seemingly contradictory terms.
Minor crisis is a contradiction, because minor means small or insignificant, and a crisis is a large problem. | |
Which solution has a higher concentration of purple particles? | [
"neither; their concentrations are the same",
"Solution B",
"Solution A"
] | 2 | The diagram below is a model of two solutions. Each purple ball represents one particle of solute. | closed choice | grade8 | natural science | chemistry | Solutions | Compare concentrations of solutions | A solution is made up of two or more substances that are completely mixed. In a solution, solute particles are mixed into a solvent. The solute cannot be separated from the solvent by a filter. For example, if you stir a spoonful of salt into a cup of water, the salt will mix into the water to make a saltwater solution... | In Solution A and Solution B, the purple particles represent the solute. To figure out which solution has a higher concentration of purple particles, look at both the number of purple particles and the volume of the solvent in each container.
Use the concentration formula to find the number of purple particles per mill... | |
Not supported with pagination yet | Which logical fallacy is used in the text?
Mr. Murray's class is so boring! Why are all literature classes so dull? | [
"hasty generalization: a broad claim based on too few observations",
"appeal to nature: the assumption that natural things are always good",
"slippery slope fallacy: the false assumption that a small first step will lead to extreme consequences"
] | 0 | closed choice | grade12 | language science | writing-strategies | Developing and supporting arguments | Classify logical fallacies | A strong argument uses valid reasoning and logic in support of a claim. When an argument or claim introduces irrelevant information or misrepresents the issues at hand, it may be committing a logical fallacy. Logical fallacies can hurt a writer's credibility and can lead readers to draw false conclusions.
A logical fal... | The text argues that a single boring class indicates that all classes on the same topic are dull. However, this isn't necessarily true. This illustrates a type of logical fallacy known as a hasty generalization. | |
Which property do these two objects have in common? | [
"blue",
"scratchy"
] | 1 | Select the better answer. | closed choice | grade2 | natural science | physics | Materials | Compare properties of objects | An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells.
Different objects can have the same properties. You can use these properties to put objects into groups. | Look at each object.
For each object, decide if it has that property.
A scratchy object is rough and itchy against your skin. Both objects are scratchy.
Blue is a color.
This color is blue. Neither of the objects are blue.
The property that both objects have in common is scratchy. | |
Not supported with pagination yet | Which sales pitch is more formal? | [
"Find crazy good gifts every time.",
"Find the perfect gift for every occasion."
] | 1 | closed choice | grade11 | language science | writing-strategies | Audience, purpose, and tone | Which text is most formal? | Informal writing is typically used in casual situations or when communicating with someone you know well. Informal language often expresses familiarity and tends to sound more like speech. It uses more conversational language, such as slang, idioms, abbreviations, imprecise language, and contractions.
Formal writing is... | The first sales pitch is more formal. It uses more elevated language (perfect gift for every occasion). The other sales pitch uses slang (crazy good). | |
Not supported with pagination yet | What does this Works Cited entry indicate about the cited work?
Witze, Alexandra. "Race to Unravel Oklahoma's Artificial Quakes." Nature 520.7548 (2015): 418–419. Web. 27 Apr. 2015. | [
"It has more than one author.",
"It was published on April 27, 2015.",
"It was accessed on April 27, 2015."
] | 2 | closed choice | grade11 | language science | reference-skills | Research skills | Understand a Works Cited entry (MLA 7th edition) | When writing research papers, you will often be asked to follow a particular style guide for your citations. One popular style guide is the Modern Language Association (MLA) Handbook.
Below are the basic formats for some common types of Works Cited entries. Consult the MLA Handbook for a complete list.
Books:
Format | ... | Look closely at the Works Cited entry:
Witze, Alexandra. "Race to Unravel Oklahoma's Artificial Quakes." Nature 520.7548 (2015): 418–419. Web. 27 Apr. 2015.
You can tell that the cited work was accessed on April 27, 2015, by looking at the date of access, which appears after the medium of publication. | |
Identify the question that Vince's experiment can best answer. | [
"Can pennies hold more drops of water mixed with dish soap or water mixed with hand soap?",
"Can pennies hold more drops of pure water or water mixed with hand soap?"
] | 1 | The passage below describes an experiment. Read the passage and then follow the instructions below.
Vince used a dropper to put equal-sized drops of pure water, one at a time, onto a penny. The drops stayed together and formed a dome on the penny's surface. Vince recorded the number of drops he could add before the wa... | closed choice | grade6 | natural science | science-and-engineering-practices | Designing experiments | Identify the experimental question | Experiments can be designed to answer specific questions. How can you identify the questions that a certain experiment can answer? In order to do this, you need to figure out what was tested and what was measured during the experiment.
Imagine an experiment with two groups of daffodil plants. One group of plants was gr... | ||
Which two months have the lowest average precipitation in Salt Lake City? | [
"November and December",
"February and March",
"July and August"
] | 2 | Use the graph to answer the question below. | closed choice | grade3 | natural science | earth-science | Weather and climate | Use climate data to make predictions | Scientists record climate data from places around the world. Precipitation, or rain and snow, is one type of climate data.
A bar graph can be used to show the average amount of precipitation each month. Months with taller bars have more precipitation on average. | To describe the average precipitation trends in Salt Lake City, look at the graph.
Choice "Feb" is incorrect.
Choice "Mar" is incorrect.
Choice "Jul" is incorrect.
Choice "Aug" is incorrect.
Choice "Nov" is incorrect.
Choice "Dec" is incorrect.
July and August each have an average precipitation of less than 1 inch. All... | |
Which material are these shorts made of? | [
"nylon",
"wax"
] | 0 | closed choice | grade3 | natural science | physics | Materials | Identify materials in objects | A material is a type of matter. Wood, glass, metal, and plastic are common materials. | Look at the picture of the shorts.
The shorts are made of nylon.
Nylon is a strong, lightweight fabric. Nylon dries quickly, so it is often used to make swim shorts. | ||
Not supported with pagination yet | Which is a simple sentence? | [
"Mr. Armstrong peeled the tangerine and divided it into sections.",
"The cats hissed at each other through the screen door, and then the dog scared them both away."
] | 0 | closed choice | grade5 | language science | grammar | Sentences, fragments, and run-ons | Is the sentence simple, compound, or complex? | A clause is a group of words that contains both a subject and a predicate.
An independent clause is a complete thought. It can stand alone as a sentence. A dependent clause is not a complete thought. It cannot stand alone as a sentence.
the oranges on our tree are ripe
The clause can stand alone. It is independent.
aft... | The first sentence is the simple sentence. It is a single independent clause.
Mr. Armstrong peeled the tangerine and divided it into sections. | |
What is the name of the colony shown? | [
"Massachusetts",
"Georgia",
"Tennessee",
"Alabama"
] | 0 | closed choice | grade7 | social science | us-history | Colonial America | Identify the Thirteen Colonies | The colony is Massachusetts.
The Massachusetts Colony included land that would later become the state of Maine. Maine was never its own colony. | |||
Is the atmosphere a solid, a liquid, or a gas? | [
"a liquid",
"a gas",
"a solid"
] | 1 | closed choice | grade4 | natural science | physics | States of matter | Identify and sort solids, liquids, and gases | Solid, liquid, and gas are states of matter. Matter is anything that takes up space. Matter can come in different states, or forms.
When matter is a solid, it has a definite volume and a definite shape. So, a solid has a size and shape of its own.
Some solids can be easily folded, bent, or broken. A piece of paper is a... | Earth's atmosphere is made of air. Air is a gas. The air in the atmosphere fills the space around Earth. | ||
Not supported with pagination yet | Which figure of speech is used in this text?
William's '64 Impala groaned as he turned the ignition. Yet again he resolved to refurbish it over the summer. | [
"personification",
"simile"
] | 0 | closed choice | grade6 | language science | figurative-language | Literary devices | Classify figures of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Alliteration is the repetition of sounds at the beginning of nearby words.
What a lucky little lady you are!
An allusion is a brief reference to something or someone well known, often from his... | The text uses personification, giving human characteristics to nonhuman things.
William's '64 Impala groaned describes the car as if it were human. | |
Not supported with pagination yet | Which would stretch more? | [
"cotton shirt",
"ceramic plate"
] | 0 | closed choice | grade2 | natural science | physics | Materials | Compare properties of materials | Every object is made of one or more materials. A material is a type of matter. Wood, glass, metal, and plastic are common materials.
A material has different properties. A material's properties tell you how it looks, feels, tastes, or smells. | Stretchy is a property. A stretchy material gets longer when you pull on it.
Look at each picture, one at a time. Imagine pulling on the material shown in each picture.
Of the choices, the cotton shirt would stretch more. If you pull the sleeve of a cotton T-shirt, it will get longer. | |
Not supported with pagination yet | Which sentence is more formal? | [
"It takes courage to stand up for people who are being bullied.",
"It takes guts to stand up for people who are being bullied."
] | 0 | closed choice | grade5 | language science | writing-strategies | Author's purpose and tone | Which sentence is more formal? | Formal writing is used for essays, business letters, and reports. The following types of informal language should be avoided in formal writing:
Type | Examples
slang | cool, awesome
idioms | knock your socks off
conversational language | gonna, kinda, yeah
abbreviated language | ASAP, FYI
overly simple or imprecise lan... | The second sentence is less formal. You can tell because it uses slang (takes guts).
The first sentence uses formal language in place of the slang, so it is more formal overall. | |
Not supported with pagination yet | Which closing is correct for a letter? | [
"thanks,\nTed",
"Thanks,\nTed"
] | 1 | closed choice | grade4 | language science | punctuation | Formatting | Greetings and closings of letters | A letter starts with a greeting and ends with a closing. For each one, capitalize the first word and end with a comma. You should also capitalize proper nouns, such as Aunt Sue.
Dear Aunt Sue,
I'm glad you could come to my party, and
thank you for the birthday gift. I could not have
asked for a better one! Every time I... | The first closing is correct:
Its first word is capitalized, and it ends with a comma. | |
Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | [
"neither; the samples have the same temperature",
"sample B",
"sample A"
] | 2 | The diagrams below show two pure samples of gas in identical closed, rigid containers. Each colored ball represents one gas particle. Both samples have the same number of particles. | closed choice | grade6 | natural science | physics | Particle motion and energy | Identify how particle motion affects temperature and pressure | The temperature of a substance depends on the average kinetic energy of the particles in the substance. The higher the average kinetic energy of the particles, the higher the temperature of the substance.
The kinetic energy of a particle is determined by its mass and speed. For a pure substance, the greater the mass of... | Each particle in the two samples has the same mass, but the particles in sample A have a higher average speed than the particles in sample B. So, the particles in sample A have a higher average kinetic energy than the particles in sample B.
Because the particles in sample A have the higher average kinetic energy, sampl... | |
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is greater in Pair 1.",
"The magnitude of the magnetic force is the same in both pairs."
] | 0 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different sizes and shapes. | closed choice | grade6 | natural science | physics | Velocity, acceleration, and forces | Compare magnitudes of magnetic forces | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes between magnets are called magnetic forces.
The strength of a force is called its magnitude. The greater the magnitude of the magnetic force between two magnets,... | The magnets in Pair 1 attract. The magnets in Pair 2 repel. But whether the magnets attract or repel affects only the direction of the magnetic force. It does not affect the magnitude of the magnetic force.
Magnet sizes affect the magnitude of the magnetic force. Imagine magnets that are the same shape and made of the ... | |
What is the capital of Idaho? | [
"Sacramento",
"Nampa",
"Boise",
"Kansas City"
] | 2 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the West | Boise is the capital of Idaho. | |||
Not supported with pagination yet | What do these two changes have in common?
water boiling on a stove
boiling sugar to make caramel | [
"Both are chemical changes.",
"Both are only physical changes.",
"Both are caused by heating.",
"Both are caused by cooling."
] | 2 | closed choice | grade7 | natural science | chemistry | Chemical reactions | Compare physical and chemical changes | Matter is made of very small particles called atoms. Atoms can be linked together by chemical bonds. When two or more atoms link together, they form a molecule.
In a chemical change, the chemical bonds in the molecules break. The atoms then link together to form different molecules. The types of molecules in matter bef... | Step 1: Think about each change.
Water boiling on the stove is a change of state. So, it is a physical change. The liquid changes into a gas, but a different type of matter is not formed.
Boiling sugar to make caramel is a chemical change. The heat causes the sugar to change into a different type of matter. Unlike suga... | |
Not supported with pagination yet | Which correctly shows the title of a book? | [
"Pat the Bunny",
"pat the Bunny"
] | 0 | closed choice | grade3 | language science | capitalization | Formatting | Capitalizing titles | In a title, capitalize the first word, the last word, and every important word in between.
The Wind in the Willows James and the Giant Peach
These words are not important in titles:
Articles, a, an, the
Short prepositions, such as at, by, for, in, of, on, to, up
Coordinating conjunctions, such as and, but, or | Capitalize the first word, the last word, and every important word in between. The word the is not important, so it should not be capitalized.
The correct title is Pat the Bunny. | |
What can Larry and Emily trade to each get what they want? | [
"Larry can trade his tomatoes for Emily's broccoli.",
"Emily can trade her almonds for Larry's tomatoes.",
"Larry can trade his tomatoes for Emily's carrots.",
"Emily can trade her broccoli for Larry's oranges."
] | 0 | Trade happens when people agree to exchange goods and services. People give up something to get something else. Sometimes people barter, or directly exchange one good or service for another.
Larry and Emily open their lunch boxes in the school cafeteria. Neither Larry nor Emily got everything that they wanted. The tabl... | closed choice | grade7 | social science | economics | Basic economic principles | Trade and specialization | Look at the table and images.
Larry wants broccoli. Emily wants tomatoes. They can trade tomatoes for broccoli to both get what they want. Trading other things would not help both people get more items they want. | ||
Not supported with pagination yet | What is the source of the allusion in the sentence below?
Much to our shock, Jake chose to turn the other cheek when Alana insulted him in a meeting. | [
"a song",
"the Bible"
] | 1 | closed choice | grade9 | language science | figurative-language | Literary devices | Recall the source of an allusion | An allusion is a brief mention of something or someone well known, often from mythology, history, or literature. An allusion lets you reference ideas from an entire story in just a few words.
"I'd better get home before I turn into a pumpkin!" Lila remarked.
Here, Lila alludes to the fairy tale "Cinderella," in which C... | The source of the allusion turn the other cheek is the Bible.
In the Bible, Jesus counsels his followers to resist retaliation. He says that if they are struck on the right cheek, they shouldn't lash out; instead, they should turn the other cheek toward their attacker.
The allusion turn the other cheek means to respond... | |
Which property do these three objects have in common? | [
"sticky",
"yellow",
"fuzzy"
] | 0 | Select the best answer. | closed choice | grade3 | natural science | physics | Materials | Compare properties of objects | An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells. Properties can also tell you how an object will behave when something happens to it.
Different objects can have properties in common. You can use these properties to put objects into groups. | Look at each object.
For each object, decide if it has that property.
A sticky object can attach or stick to other things. All three objects are sticky.
Yellow is a color.
This color is yellow. None of the objects are yellow.
A fuzzy object is covered in soft hair. The wet glue and the tape are not fuzzy.
The property ... | |
Not supported with pagination yet | Which figure of speech is used in this text?
When I was a teenager, reading was my ticket to foreign lands: I traveled to India, China, and Antarctica without ever leaving the comfort of my home. | [
"simile",
"metaphor"
] | 1 | closed choice | grade10 | language science | figurative-language | Literary devices | Classify figures of speech: review | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Alliteration is the repetition of sounds at the beginning of nearby words.
What a lucky little lady you are!
An allusion is a brief reference to something or someone well known, often from his... | The text uses a metaphor, comparing two things that are not actually alike without using like or as.
Reading was my ticket compares reading to a ticket to foreign lands without using like or as. | |
What is the capital of Florida? | [
"Tallahassee",
"Charleston",
"Baton Rouge",
"Savannah"
] | 0 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the Southeast | Tallahassee is the capital of Florida. | |||
Not supported with pagination yet | What kind of sentence is this?
Does Jeanette prefer pizza or pasta? | [
"interrogative",
"imperative"
] | 0 | closed choice | grade5 | language science | punctuation | Sentences, fragments, and run-ons | Is the sentence declarative, interrogative, imperative, or exclamatory? | There are four kinds of sentences.
A declarative sentence is a statement. It tells about something. A declarative sentence always ends with a period.
I have an older brother and a younger sister.
An interrogative sentence is a question. It asks something. An interrogative sentence always ends with a question mark.
How ... | The sentence asks something, and it ends with a question mark. It is an interrogative sentence. | |
Which state is highlighted? | [
"West Virginia",
"South Carolina",
"Mississippi",
"Oklahoma"
] | 3 | closed choice | grade5 | social science | geography | States | Identify states of the Southeast | This state is Oklahoma. | |||
Not supported with pagination yet | What information supports the conclusion that Colin acquired this trait? | [
"Some scars fade more quickly than others.",
"Colin's scar was caused by an accident. He cut his arm when he fell off his bicycle."
] | 1 | Read the description of a trait.
Colin has a scar on his right arm. | closed choice | grade6 | natural science | biology | Genes to traits | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down from biological parents to their offspring through genes. Genes are pieces of hereditary material that contain the instructions that affect inherited traits.... | |
Identify the question that Tessa's experiment can best answer. | [
"Does the amount of water in a glass affect whether eggs sink or float in the water?",
"Are eggs more likely to float in fresh water or salty water?"
] | 1 | The passage below describes an experiment. Read the passage and then follow the instructions below.
Tessa poured four ounces of water into each of six glasses. Tessa dissolved one tablespoon of salt in each of three glasses, and did not add salt to the other three. Then, Tessa placed an egg in one glass and observed i... | closed choice | grade6 | natural science | science-and-engineering-practices | Designing experiments | Identify the experimental question | Experiments can be designed to answer specific questions. How can you identify the questions that a certain experiment can answer? In order to do this, you need to figure out what was tested and what was measured during the experiment.
Imagine an experiment with two groups of daffodil plants. One group of plants was gr... | ||
Look at the models of molecules below. Select the elementary substance. | [
"ozone",
"2-chloroethanol",
"methane"
] | 0 | closed choice | grade6 | natural science | chemistry | Atoms and molecules | Identify elementary substances and compounds using models | There are more than 100 different chemical elements, or types of atoms. Chemical elements make up all of the substances around you.
A substance may be composed of one chemical element or multiple chemical elements. Substances that are composed of only one chemical element are elementary substances. Substances that are ... | |||
Not supported with pagination yet | Based on this information, what is Buttons's phenotype for the fur type trait? | [
"curly fur",
"straight fur"
] | 0 | In a group of cats, some individuals have straight fur and others have curly fur. In this group, the gene for the fur type trait has two alleles. The allele for curly fur (f) is recessive to the allele for straight fur (F).
Buttons is a cat from this group. Buttons has the homozygous genotype ff for the fur type gene. | closed choice | grade8 | natural science | biology | Genes to traits | Genetics vocabulary: dominant and recessive | All organisms have pieces of hereditary material called genes, which are passed from parents to offspring. Genes contain instructions for building the parts of an organism. An organism's genes affect its observable traits, including its appearance, its behavior, and which diseases it may have. Genes may have different ... | Buttons's genotype for the fur type gene is ff. Buttons's genotype of ff has only f alleles. The f allele is for curly fur. So, Buttons's phenotype for the fur type trait must be curly fur.
To check this answer, consider whether Buttons's alleles are dominant or recessive. The allele for curly fur (f) is recessive to t... |
Which of these states is farthest south? | [
"New Hampshire",
"Connecticut",
"Michigan",
"Colorado"
] | 3 | closed choice | grade4 | social science | geography | Maps | Read a map: cardinal directions | Maps have four cardinal directions, or main directions. Those directions are north, south, east, and west.
A compass rose is a set of arrows that point to the cardinal directions. A compass rose usually shows only the first letter of each cardinal direction.
The north arrow points to the North Pole. On most maps, north... | To find the answer, look at the compass rose. Look at which way the south arrow is pointing. Colorado is farthest south. | ||
Not supported with pagination yet | What is the source of the allusion in the sentence below?
Brooke anticipated that the free makeover her friend was promising would turn out to be a Trojan horse. | [
"the Bible",
"Greek mythology"
] | 1 | closed choice | grade8 | language science | figurative-language | Literary devices | Recall the source of an allusion | An allusion is a brief mention of something or someone well known, often from mythology, history, or literature. An allusion lets you reference ideas from an entire story in just a few words.
"I'd better get home before I turn into a pumpkin!" Lila remarked.
Here, Lila alludes to the fairy tale "Cinderella," in which C... | The source of the allusion Trojan horse is Greek mythology.
In Greek mythology, the Greek army tricks the Trojan army into taking a large wooden horse into their carefully guarded city. The horse turns out to be filled with Greek warriors who, once inside the city of Troy, open the gates to the Greek army waiting outsi... | |
Not supported with pagination yet | Which is harder? | [
"ice rink",
"clay ball"
] | 0 | closed choice | grade2 | natural science | physics | Materials | Compare properties of materials | Every object is made of one or more materials. A material is a type of matter. Wood, glass, metal, and plastic are common materials.
A material has different properties. A material's properties tell you how it looks, feels, tastes, or smells. | Hard is a property. A hard material keeps its shape when you press on it with your finger.
Look at each picture, one at a time. Imagine pushing on the material shown in each picture.
Of the choices, the ice rink is harder. If you step on the ice at an ice rink, it will not change shape. | |
Not supported with pagination yet | Is there a sentence fragment?
In 1962, First Lady Jacqueline Kennedy gave her husband, President John F. Kennedy, an artistically engraved whale tooth. Which was eventually buried with him in Arlington National Cemetery. | [
"yes",
"no"
] | 0 | yes or no | grade12 | language science | writing-strategies | Sentences, fragments, and run-ons | Identify sentence fragments | A sentence is a group of words that expresses a complete thought.
The band I'm in has been rehearsing daily because we have a concert in two weeks.
A sentence fragment is a group of words that does not express a complete thought.
Rehearsing daily because we have a concert in two weeks.
This fragment is missing a subjec... | There is a sentence fragment that does not express a complete thought.
In 1962, First Lady Jacqueline Kennedy gave her husband, President John F. Kennedy, an artistically engraved whale tooth. Which was eventually buried with him in Arlington National Cemetery.
Here is one way to fix the sentence fragment:
In 1962, Fir... | |
What is the capital of Arizona? | [
"Burlington",
"Honolulu",
"Fayetteville",
"Phoenix"
] | 3 | closed choice | grade3 | social science | geography | State capitals | Identify the 50 state capitals | Phoenix is the capital of Arizona. | |||
Not supported with pagination yet | Which is a compound sentence? | [
"The woman at the post office weighs the package on a scale.",
"I will address the envelope, and you can put the stamp on it."
] | 1 | closed choice | grade5 | language science | grammar | Sentences, fragments, and run-ons | Is the sentence simple or compound? | A simple sentence is a sentence with only one subject and predicate.
The pitcher threw the ball to first base.
A compound sentence is two simple sentences joined by a comma and a conjunction such as and, but, or, or so.
The pitcher threw the ball, and the batter hit it.
Some simple sentences have a compound subject or ... | The second sentence is the compound sentence. It is made up of two simple sentences joined by a comma and the conjunction and.
I will address the envelope, and you can put the stamp on it. | |
Not supported with pagination yet | Based on this information, what is this pea plant's genotype for the pea shape gene? | [
"round peas",
"EE"
] | 1 | In a group of pea plants, some individuals have round peas and others have wrinkled peas. In this group, the gene for the pea shape trait has two alleles. The allele E is for round peas, and the allele e is for wrinkled peas.
A certain pea plant from this group has round peas. This plant has two alleles for round peas. | closed choice | grade6 | natural science | biology | Genes to traits | Genetics vocabulary: genotype and phenotype | All organisms have pieces of hereditary material called genes, which are passed from parents to offspring. Genes contain instructions for building the parts of an organism. An organism's genes affect its observable traits, including its appearance, its behavior, and which diseases it may have. Genes may have different ... | An organism's genotype for a gene is its combination of alleles for that gene. The pea plant has two alleles for round peas (E). So, the plant's genotype for the pea shape gene is EE. |
Select the reptile below. | [
"tiger salamander",
"grass frog",
"Mojave rattlesnake",
"barking tree frog"
] | 2 | Reptiles have scaly, waterproof skin. Most reptiles live on land.
Reptiles are cold-blooded. The body temperature of cold-blooded animals depends on their environment.
A Hermann's tortoise is an example of a reptile. | closed choice | grade4 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Birds, mammals, fish, reptiles, and amphibians are groups of animals. Scientists sort animals into each group based on traits they have in common. This process is called classification.
Classification helps scientists learn about how animals live. Classification also helps scientists compare similar animals. | A barking tree frog is an amphibian. It has moist skin and begins its life in water.
There are many kinds of tree frogs. Most tree frogs are very small. They can walk on thin branches.
A grass frog is an amphibian. It has moist skin and begins its life in water.
Frogs live near water or in damp places. Most frogs lay t... | |
Which property do these three objects have in common? | [
"rough",
"translucent",
"fuzzy"
] | 1 | Select the best answer. | closed choice | grade3 | natural science | physics | Materials | Compare properties of objects | An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells. Properties can also tell you how an object will behave when something happens to it.
Different objects can have properties in common. You can use these properties to put objects into groups. | Look at each object.
For each object, decide if it has that property.
A rough object feels scratchy when you touch it. None of the objects are rough.
A fuzzy object is covered in soft hair. None of the objects are fuzzy.
A translucent object lets light through. But you cannot see clearly through a translucent object. A... | |
Not supported with pagination yet | Which tense does the sentence use?
The passengers will give Derek their tickets. | [
"present tense",
"future tense",
"past tense"
] | 1 | closed choice | grade3 | language science | verbs | Verb tense | Is the sentence in the past, present, or future tense? | Present tense verbs tell you about something that is happening now.
Most present-tense verbs are regular. They have no ending, or they end in -s or -es.
Two verbs are irregular in the present tense, to be and to have. You must remember their forms.
Past tense verbs tell you about something that has already happened.
Mo... | The sentence is in future tense. You can tell because it uses will before the main verb, give. The verb tells you about something that is going to happen. | |
Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | [
"sample B",
"neither; the samples have the same temperature",
"sample A"
] | 2 | The diagrams below show two pure samples of gas in identical closed, rigid containers. Each colored ball represents one gas particle. Both samples have the same number of particles. | closed choice | grade6 | natural science | physics | Particle motion and energy | Identify how particle motion affects temperature and pressure | The temperature of a substance depends on the average kinetic energy of the particles in the substance. The higher the average kinetic energy of the particles, the higher the temperature of the substance.
The kinetic energy of a particle is determined by its mass and speed. For a pure substance, the greater the mass of... | Each particle in the two samples has the same mass, but the particles in sample A have a higher average speed than the particles in sample B. So, the particles in sample A have a higher average kinetic energy than the particles in sample B.
Because the particles in sample A have the higher average kinetic energy, sampl... | |
Not supported with pagination yet | Which tense does the sentence use?
Cole reads an exciting mystery story. | [
"present tense",
"future tense",
"past tense"
] | 0 | closed choice | grade5 | language science | verbs | Verb tense | Is the sentence in the past, present, or future tense? | Present tense verbs tell you about something that is happening now.
Most present-tense verbs are regular. They have no ending, or they end in -s or -es.
Two verbs are irregular in the present tense, to be and to have. You must remember their forms.
Past tense verbs tell you about something that has already happened.
Mo... | The sentence is in present tense. You can tell because it uses a present-tense verb, reads. The verb ends in -s and tells you about something that is true or happening now. | |
Which solution has a higher concentration of pink particles? | [
"Solution B",
"neither; their concentrations are the same",
"Solution A"
] | 2 | The diagram below is a model of two solutions. Each pink ball represents one particle of solute. | closed choice | grade6 | natural science | chemistry | Solutions | Compare concentrations of solutions | A solution is made up of two or more substances that are completely mixed. In a solution, solute particles are mixed into a solvent. The solute cannot be separated from the solvent by a filter. For example, if you stir a spoonful of salt into a cup of water, the salt will mix into the water to make a saltwater solution... | In Solution A and Solution B, the pink particles represent the solute. To figure out which solution has a higher concentration of pink particles, look at both the number of pink particles and the volume of the solvent in each container.
Use the concentration formula to find the number of pink particles per milliliter.
... | |
Which of the following could Pete's test show? | [
"whether a parachute with a 1 m vent would swing too much at 400 km per hour",
"if the spacecraft was damaged when using a parachute with a 1 m vent going 200 km per hour",
"how steady a parachute with a 1 m vent was at 200 km per hour"
] | 2 | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design.
The passage below describes how the engineering-design process was used to test a solution to a problem. Read the passage. Then answer the ques... | closed choice | grade7 | natural science | science-and-engineering-practices | Engineering practices | Evaluate tests of engineering-design solutions | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design. How can you determine what a test can show? You need to figure out what was tested and what was measured.
Imagine an engineer needs to design a... | ||
Which of the following could Shivani's test show? | [
"if the new turbine could turn easily",
"whether the new turbine could produce 10% more electricity",
"how much the new turbine would weigh"
] | 1 | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design.
The passage below describes how the engineering-design process was used to test a solution to a problem. Read the passage. Then answer the ques... | closed choice | grade8 | natural science | science-and-engineering-practices | Engineering practices | Evaluate tests of engineering-design solutions | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design. How can you determine what a test can show? You need to figure out what was tested and what was measured.
Imagine an engineer needs to design a... | ||
Which ocean is highlighted? | [
"the Arctic Ocean",
"the Indian Ocean",
"the Atlantic Ocean",
"the Southern Ocean"
] | 1 | closed choice | grade8 | social science | geography | Physical Geography | Oceans and continents | Oceans are huge bodies of salt water. The world has five oceans. All of the oceans are connected, making one world ocean. | This is the Indian Ocean. | ||
Not supported with pagination yet | What information supports the conclusion that Clara inherited this trait? | [
"Clara and her mother both wear their hair in braids.",
"Clara's parents have red hair. They passed down this trait to Clara."
] | 1 | Read the description of a trait.
Clara has red hair. | closed choice | grade5 | natural science | biology | Traits and heredity | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | |
Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | [
"neither; the samples have the same temperature",
"sample B",
"sample A"
] | 1 | The diagrams below show two pure samples of gas in identical closed, rigid containers. Each colored ball represents one gas particle. Both samples have the same number of particles. | closed choice | grade6 | natural science | physics | Particle motion and energy | Identify how particle motion affects temperature and pressure | The temperature of a substance depends on the average kinetic energy of the particles in the substance. The higher the average kinetic energy of the particles, the higher the temperature of the substance.
The kinetic energy of a particle is determined by its mass and speed. For a pure substance, the greater the mass of... | Each particle in the two samples has the same mass, but the particles in sample B have a higher average speed than the particles in sample A. So, the particles in sample B have a higher average kinetic energy than the particles in sample A.
Because the particles in sample B have the higher average kinetic energy, sampl... | |
Not supported with pagination yet | Which object has less thermal energy? | [
"a bowl of oatmeal at a temperature of 110°F",
"a bowl of oatmeal at a temperature of 95°F"
] | 1 | The objects are identical except for their temperatures. | closed choice | grade3 | natural science | physics | Heat and thermal energy | How is temperature related to thermal energy? | All solids, liquids, and gases are made of matter. Matter is made up of tiny particles that are always moving. The energy from the motion of these particles is called thermal energy.
Temperature measures how hot or cold matter is. If the particles in matter slow down, the temperature goes down. The matter now has both ... | The two bowls of oatmeal have the same mass but different temperatures. Since the 95°F bowl of oatmeal is colder than the 110°F bowl of oatmeal, it has less thermal energy. |
Not supported with pagination yet | What does the verbal irony in this text suggest?
"Sleeping through the rooster's crowing was no problem," Sanjay joked with a yawn. | [
"Sanjay slept poorly.",
"Sanjay finds roosters amusing."
] | 0 | closed choice | grade10 | language science | figurative-language | Literary devices | Interpret figures of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Verbal irony involves saying one thing but implying something very different. People often use verbal irony when they are being sarcastic.
Olivia seems thrilled that her car keeps breaking dow... | The text uses verbal irony, which involves saying one thing but implying something very different.
Sleeping through the rooster's crowing was no problem ironically suggests that Sanjay slept poorly. Sanjay was tired, so the rooster's crowing was clearly a problem. | |
Not supported with pagination yet | What do these two changes have in common?
cooking a pancake
burning food on a stove | [
"Both are chemical changes.",
"Both are caused by cooling.",
"Both are only physical changes."
] | 0 | closed choice | grade4 | natural science | chemistry | Physical and chemical change | Compare physical and chemical changes | Chemical changes and physical changes are two common ways matter can change.
In a chemical change, the type of matter changes. The types of matter before and after a chemical change are always different.
Some chemical changes are caused by heating or cooling. For example, burning a piece of paper is a chemical change c... | Step 1: Think about each change.
Cooking a pancake is a chemical change. Pancakes are made from pancake batter. A cooked pancake is a different type of matter than pancake batter. Pancake batter is wet and slippery. Cooked pancakes are fluffy and can be good to eat!
Burning food on a stove is a chemical change. When th... | |
What is the capital of California? | [
"Jefferson City",
"Salem",
"Denver",
"Sacramento"
] | 3 | closed choice | grade3 | social science | geography | State capitals | Identify the 50 state capitals | Sacramento is the capital of California. | |||
Not supported with pagination yet | What is the volume of a bathroom sink? | [
"12 milliliters",
"12 liters"
] | 1 | Select the better estimate. | closed choice | grade5 | natural science | units-and-measurement | Units and measurement | Choose metric units of volume | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Volume is a measurement of how much space something takes up.
There are many different units of volume. When you are using metric units, volume may be written in units of milliliters or liters.... | The better estimate for the volume of a bathroom sink is 12 liters.
12 milliliters is too little. |
What is the capital of Iowa? | [
"Des Moines",
"Cedar Rapids",
"Davenport",
"Frankfort"
] | 0 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the Midwest | Des Moines is the capital of Iowa. | |||
Which of these states is farthest east? | [
"Louisiana",
"Utah",
"Alabama",
"California"
] | 2 | closed choice | grade2 | social science | geography | Geography | Read a map: cardinal directions | Maps have four cardinal directions, or main directions. Those directions are north, south, east, and west.
A compass rose is a set of arrows that point to the cardinal directions. A compass rose usually shows only the first letter of each cardinal direction.
The north arrow points to the North Pole. On most maps, north... | To find the answer, look at the compass rose. Look at which way the east arrow is pointing. Alabama is farthest east. | ||
Will these magnets attract or repel each other? | [
"attract",
"repel"
] | 0 | Two magnets are placed as shown.
Hint: Magnets that attract pull together. Magnets that repel push apart. | closed choice | grade3 | natural science | physics | Magnets | Identify magnets that attract or repel | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart.
Whether a magnet attracts or repels other magnets depends on the positions of its poles, or ends. Every magnet has two poles, called north and south.
Here are some examples of magnets.... | Will these magnets attract or repel? To find out, look at which poles are closest to each other.
The north pole of one magnet is closest to the south pole of the other magnet. Poles that are different attract. So, these magnets will attract each other. | |
Which of these states is farthest east? | [
"Michigan",
"South Carolina",
"Kentucky",
"Arizona"
] | 1 | closed choice | grade5 | social science | geography | Maps | Read a map: cardinal directions | Maps have four cardinal directions, or main directions. Those directions are north, south, east, and west.
A compass rose is a set of arrows that point to the cardinal directions. A compass rose usually shows only the first letter of each cardinal direction.
The north arrow points to the North Pole. On most maps, north... | To find the answer, look at the compass rose. Look at which way the east arrow is pointing. South Carolina is farthest east. | ||
Not supported with pagination yet | How long does it take to mow the lawn? | [
"35 seconds",
"35 minutes"
] | 1 | Select the better estimate. | closed choice | grade3 | natural science | units-and-measurement | Units and measurement | Choose units of time | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Imagine being told that the bus leaves in 7. You might be thinking, 7 what? Does the bus leave in 7 minutes? 7 seconds?
The number 7 on its own does not give you much information about when the... | The better estimate for how long it takes to mow the lawn is 35 minutes.
35 seconds is too fast. |
Not supported with pagination yet | Complete the sentence.
In this chemical reaction, charcoal is a (). | [
"reactant",
"product"
] | 0 | This passage describes a chemical reaction. Read the passage. Then, follow the instructions below.
People have used gunpowder as an explosive for hundreds of years. Gunpowder is a mixture of three different substances: potassium nitrate, charcoal, and sulfur. When these substances are burned together, they release a la... | closed choice | grade7 | natural science | chemistry | Chemical reactions | Identify reactants and products | A chemical change occurs when new substances are formed from existing substances. This process is called a chemical reaction.
In a chemical reaction, one or more substances change into one or more different substances. During the reaction, the atoms of the original substances are rearranged to form other substances.
Th... | Read the underlined text carefully. Look for information about what happens to charcoal in this chemical reaction.
People have used gunpowder as an explosive for hundreds of years. Gunpowder is a mixture of three different substances: potassium nitrate, charcoal, and sulfur. When these substances are burned together, t... |
Not supported with pagination yet | Which word does not rhyme? | [
"blue",
"frog",
"glue"
] | 1 | closed choice | grade1 | language science | phonological-awareness | Rhyming | Which word does not rhyme? | Rhyming words are words that end with the same sound.
The words tip and slip rhyme. They both end with the ip sound.
The words lake and make rhyme. They both end with the ake sound.
The words tip and lake don't rhyme. They end with different sounds. | The words glue and blue rhyme. They both end with the ue sound.
The word frog does not rhyme. It ends with a different sound. | |
Which of these oceans does the prime meridian intersect? | [
"the Indian Ocean",
"the Pacific Ocean",
"the Atlantic Ocean"
] | 2 | closed choice | grade4 | social science | geography | Maps | Use lines of latitude and longitude | Lines of latitude and lines of longitude are imaginary lines drawn on some globes and maps. They can help you find places on globes and maps.
Lines of latitude show how far north or south a place is. We use units called degrees to describe how far a place is from the equator. The equator is the line located at 0° latit... | The prime meridian is the line at 0° longitude. It intersects the Atlantic Ocean. It does not intersect the Pacific Ocean or the Indian Ocean. | ||
What is the capital of Oklahoma? | [
"Lansing",
"Saint Paul",
"Oklahoma City",
"Raleigh"
] | 2 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the Southeast | Oklahoma City is the capital of Oklahoma. | |||
Not supported with pagination yet | Which text structure does the text use? | [
"sequential",
"cause-effect"
] | 0 | Read the text.
It takes a long time and a lot of hard work to become a veterinarian. You'll want to start by finishing high school and going on to college. During college, you might study biology, chemistry, or animal science. Then, after four years of college, you'll attend four years of veterinary school. There you w... | closed choice | grade4 | language science | writing-strategies | Text structure | Identify text structures | Writers can organize their ideas in different ways. These ways of organizing writing are called text structures. When you can tell how a text is organized, it's easier to understand how the writer's ideas go together. You can also use these text structures to organize your own writing.
| Text structure | Where you mig... | The text uses a sequential structure to show the steps in becoming a veterinarian, or animal doctor. In the text, certain words and phrases help to organize ideas in a sequential structure. Notice the words start, then, and after, as well as the phrases during college and at last. |
Not supported with pagination yet | Compare the motion of three cars. Which car was moving at the highest speed? | [
"a car that moved 255miles west in 10hours",
"a car that moved 270miles south in 10hours",
"a car that moved 305miles north in 10hours"
] | 2 | closed choice | grade3 | natural science | physics | Force and motion | Compare the speeds of moving objects | An object's speed tells you how fast the object is moving. Speed depends on both distance and time.
Distance tells you how far the object has moved. One unit used to measure distance is the mile.
Time tells you how long the object has spent moving. One unit used to measure time is the hour.
Think about objects moving f... | Look at the distance each car moved and the time it took to move that distance. The direction each car moved does not affect its speed.
Notice that each car moved for 10 hours. The car that moved 305 miles moved the farthest distance in that time. So, that car must have moved at the highest speed. | |
Not supported with pagination yet | What information supports the conclusion that Brianna inherited this trait? | [
"Brianna and her father both have dark hair.",
"Brianna's parents have dark skin. They passed down this trait to Brianna."
] | 1 | Read the description of a trait.
Brianna has dark skin. | closed choice | grade5 | natural science | biology | Traits and heredity | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | |
Not supported with pagination yet | Which is a simple sentence? | [
"Do you want biscuits and jam for breakfast, or would you like some scrambled eggs?",
"Mr. Swift's afternoon lecture was about art and culture in Germany before World War II."
] | 1 | closed choice | grade6 | language science | grammar | Sentences, fragments, and run-ons | Is the sentence simple, compound, or complex? | A clause is a group of words that contains both a subject and a predicate.
An independent clause is a complete thought. It can stand alone as a sentence. A dependent clause is not a complete thought. It cannot stand alone as a sentence.
the oranges on our tree are ripe
The clause can stand alone. It is independent.
aft... | The first sentence is the simple sentence. It is a single independent clause.
Mr. Swift's afternoon lecture was about art and culture in Germany before World War II. | |
Not supported with pagination yet | Assume all other forces on the rope are balanced. Which statement describes the forces on the rope? | [
"The forces are unbalanced, so there is a net force on the rope.",
"The forces are balanced, so there is no net force on the rope."
] | 0 | Kurt and Gary are playing tug-of-war. Kurt is pulling on one end of a rope with a force of 230N. Gary is pulling on the other end of the rope with a force of 300N. | closed choice | grade7 | natural science | physics | Velocity, acceleration, and forces | Balanced and unbalanced forces | A force is a push or a pull that acts on an object. Every force has a direction and a magnitude, or strength. If two forces act on an object in opposite directions, the forces are called opposing forces.
When opposing forces have the same magnitude, they are balanced. If all the forces on an object are balanced, there ... | To determine if there is a net force on the rope, look at the forces:
Kurt is pulling the rope toward himself with a force of 230 N.
Gary is pulling the rope toward himself with a force of 300 N.
The forces are in opposite directions, and the forces have different magnitudes: 230 N and 300 N. This means that the forces... |
Not supported with pagination yet | Read the following excerpt from a student essay. How can the writer best improve his or her narrative voice?
Before I took a photography class, I always shot photos using the camera's automatic mode. In the class, though, I learned how important it is to take control of things like exposure to make photos look how you ... | [
"by defining technical terms",
"by using more emotional language",
"by including more technical terms"
] | 0 | closed choice | grade11 | language science | writing-strategies | Editing and revising | Suggest appropriate revisions | During peer review, you read and respond to a fellow student's writing. While there are many methods and strategies that you can use for reviewing a text, it is generally helpful to frame your suggestions in concrete and constructive ways and to consider the following areas for revision:
Ideas and development: Does the... | The writer could best improve his or her narrative voice by defining technical terms.
For example, the writer could provide definitions for the underlined terms so that a person unfamiliar with them will have a better understanding.
Before I took a photography class, I always shot photos using the camera's automatic mo... | |
Not supported with pagination yet | Suppose Kimberly decides to go on the log ride. Which result would be a cost? | [
"Kimberly will spend more ride tickets on the log ride than she would have spent on the balloon race.",
"Kimberly will have more fun on the log ride than she would have had on the balloon race."
] | 0 | Kimberly is deciding which ride to go on at the fair. She can go on either the log ride or the balloon race. She wants to have as much fun as possible at the fair. | closed choice | grade4 | social science | economics | Basic economic principles | Costs and benefits | Before you decide to do something, it is often helpful to list costs and benefits.
Costs are what you give up or spend when you decide to do something. Costs involve giving up things that you want or need.
Benefits are what you gain or save when you decide to do something. Benefits involve gaining something that you wa... | This result is a cost. It involves giving up or spending something that Kimberly wants or needs:
Kimberly will spend more ride tickets on the log ride than she would have spent on the balloon race. |
Which solution has a higher concentration of blue particles? | [
"Solution A",
"Solution B",
"neither; their concentrations are the same"
] | 1 | The diagram below is a model of two solutions. Each blue ball represents one particle of solute. | closed choice | grade6 | natural science | chemistry | Solutions | Compare concentrations of solutions | A solution is made up of two or more substances that are completely mixed. In a solution, solute particles are mixed into a solvent. The solute cannot be separated from the solvent by a filter. For example, if you stir a spoonful of salt into a cup of water, the salt will mix into the water to make a saltwater solution... | In Solution A and Solution B, the blue particles represent the solute. To figure out which solution has a higher concentration of blue particles, look at both the number of blue particles and the volume of the solvent in each container.
Use the concentration formula to find the number of blue particles per milliliter.
... |
Subsets and Splits
Validation Subject & Topic Summary
Reveals the distribution and count of images across different subjects, topics, and categories, highlighting the most prevalent combinations.
SQL Console for derek-thomas/ScienceQA
This query provides a balanced sample of entries across different topics where images are missing, allowing for a more representative analysis of text-only data.
SQL Console for derek-thomas/ScienceQA
This query provides a balanced sample of text entries across different topics, ensuring that each topic is proportionally represented, which is useful for further analysis or model training.
Random Sample by Topic Ratio
This query balances the dataset by randomly selecting a proportional number of items from each topic to create a balanced subset of 3000 items, revealing how well-represented each topic is in the dataset.
Topic Counts by Grade
Provides a breakdown of the number of questions by topic (physics, chemistry, biology, geography) for each grade level, revealing the distribution of question types.
Validation Category Counts
Counts the number of unique questions per category, helping to understand the distribution of questions across different categories.
SQL Console for derek-thomas/ScienceQA
Identifies categories, questions, and answers that appear more than four times in the validation dataset with images, highlighting common or repetitive entries.
ScienceQA Validation Grouped Data
Provides a count of images and overall occurrences for each combination of subject, topic, category, and answer, helping to identify popular or common configurations.
Train Data with Numeric Choices
This query identifies distinct rows in the dataset where one of the elements in the choices column contains a number and the image column is null, providing insight into data completeness and specific patterns in the choices.
Physics Train with Images and Lectures
Retrieves physics educational records with images and lectures for specific grade levels, providing basic filtering but offering limited analytical insight beyond data availability.
Physics Q&As with Images
Retrieves physics-related training examples with images for specific grade levels, providing basic filtered data but offering limited analytical insight beyond simple categorization.
Physics Questions Gr 2-6 With Images
Retrieves physics-related test items with images for specific grade levels, providing basic filtered data but offering limited analytical insights beyond simple data retrieval.
Filter Text-only Train Questions
Retrieves questions and related metadata from the dataset excluding those with images, offering basic data filtering.
Skills Without Images
Counts the number of skills where the image is missing, providing a basic overview of incomplete data.
Top 10 Hard Text Questions
Retrieves the top 10 longest questions without images, ordered by grade level in descending order, providing basic insight into potentially more complex questions.
SQL Console for derek-thomas/ScienceQA
Counts the occurrences of each category, question, and answer combination where an image is present, providing basic filtering on the dataset.
List ScienceQA Topics
Lists all unique topics in the dataset, which provides a basic overview of the categories present.
Cultural Questions Without Images
Retrieves 100 entries from the 'train' dataset where the image is missing and the topic is 'culture', providing basic filtering with limited analytical value.
Biology Skills for Grades 2 & 3
Lists unique skills and categories for biology topics in grades 2 and 3, providing basic filtering of the dataset.
Biology Qs for Grades 2 &
Retrieves all entries for grade 2 and grade 3 students focusing on the biology topic, providing a basic filtered view of the dataset.
Biology Grade 3 Questions Count
Counts the number of entries for grade 3 students in the biology topic, providing a basic count of data points.
Select Test Rows With Images
The query retrieves all records from the 'test' table where the 'image' column is not null, providing basic filtering without deep analytical value.
Test Images Query
This query retrieves a limited sample of rows where the image column is not null, providing basic filtering but minimal analytical value.
Test Data with Images
The query filters out rows where the image column is not null, providing a basic subset of the data but without much analytical insight.
Select Test Entries With Images
The query retrieves all records from the 'test' table where the 'image' column is not null, providing basic filtering but no deeper analytical insight.