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Which property do these four objects have in common? | [
"salty",
"translucent",
"transparent"
] | 0 | Select the best answer. | closed choice | grade5 | 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. Grouping objects... | Look at each object.
For each object, decide if it has that property.
Potato chips have a salty taste. All four objects are salty.
A translucent object lets light through. But you cannot see clearly through a translucent object. The ocean water is translucent, but the pretzel and the cracker are not.
You can see clearl... | |
Not supported with pagination yet | Does this passage describe the weather or the climate?
Morning clouds usually clear up by noon where Estelle lives. | [
"climate",
"weather"
] | 0 | Hint: Weather is what the atmosphere is like at a certain place and time. Climate is the pattern of weather in a certain place. | closed choice | grade4 | natural science | earth-science | Weather and climate | What's the difference between weather and climate? | The atmosphere is the layer of air that surrounds Earth. Both weather and climate tell you about the atmosphere.
Weather is what the atmosphere is like at a certain place and time. Weather can change quickly. For example, the temperature outside your house might get higher throughout the day.
Climate is the pattern of ... | Read the text carefully.
Morning clouds usually clear up by noon where Estelle lives.
This passage tells you about the usual pattern of clouds where Estelle lives. It does not describe what the weather is like on a particular day. So, this passage describes the climate. |
Complete the text to describe the diagram.
Solute particles moved in both directions across the permeable membrane. But more solute particles moved across the membrane (). When there was an equal concentration on both sides, the particles reached equilibrium. | [
"to the left than to the right",
"to the right than to the left"
] | 0 | The diagram below shows a solution with one solute. Each solute particle is represented by a pink ball. The solution fills a closed container that is divided in half by a membrane. The membrane, represented by a dotted line, is permeable to the solute particles.
The diagram shows how the solution can change over time d... | closed choice | grade6 | natural science | chemistry | Solutions | Diffusion across membranes | In a solution, solute particles move and spread throughout the solvent. The diagram below shows how a solution can change over time. Solute particles move from the area where they are at a higher concentration to the area where they are at a lower concentration. This movement happens through the process of diffusion.
A... | Look at the diagram again. It shows you how the solution changed during the process of diffusion.
Before the solute particles reached equilibrium, there were 4 solute particles on the left side of the membrane and 6 solute particles on the right side of the membrane.
When the solute particles reached equilibrium, there... | |
Not supported with pagination yet | What information supports the conclusion that Joy acquired this trait? | [
"Joy's scar was caused by an accident. She cut her leg when she was climbing a tree.",
"Some scars fade more quickly than others."
] | 0 | Read the description of a trait.
Joy has a scar on her left leg. | closed choice | grade3 | natural science | biology | 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... | |
Which country is highlighted? | [
"the Marshall Islands",
"Papua New Guinea",
"Palau",
"the Federated States of Micronesia"
] | 3 | closed choice | grade6 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is the Federated States of Micronesia. | |||
Which country is highlighted? | [
"Tuvalu",
"the Federated States of Micronesia",
"Papua New Guinea",
"Palau"
] | 3 | closed choice | grade6 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Palau. | |||
Not supported with pagination yet | What is the source of the allusion in the sentence below?
Rodrigo's Falstaffian nature makes him stand out at a party. | [
"Greek mythology",
"Shakespeare"
] | 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 Falstaffian is Shakespeare.
Sir John Falstaff, a comical character in several of William Shakespeare's plays, is known for his cheerful sociability and sometimes off-color humor.
The allusion Falstaffian means characterized by joviality and enjoyment of food and drink. | |
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 smaller in Pair 1.",
"The magnitude of the magnetic force is smaller in Pair 2.",
"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. | 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 ... | |
Is calcite a mineral or a rock? | [
"mineral",
"rock"
] | 0 | Calcite has the following properties:
breaks easily
found in nature
solid
fixed crystal structure
not made by living things
made of a pure substance called calcium carbonate | closed choice | grade7 | natural science | earth-science | Rocks and minerals | Identify rocks and minerals | Minerals are the building blocks of rocks. A rock can be made of one or more minerals.
Minerals and rocks have the following properties:
Property | Mineral | Rock
It is a solid. | Yes | Yes
It is formed in nature. | Yes | Yes
It is not made by organisms. | Yes | Yes
It is a pure substance. | Yes | No
It has a fixed cry... | Calcite has all the properties of a mineral. So, calcite is a mineral. | |
Which property do these two objects have in common? | [
"scratchy",
"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 scratchy object is rough and itchy against your skin. Both objects are scratchy.
A breakable object will break into pieces if you drop it. Neither of the objects are breakable.
The property that both objects have in common is scratchy. | |
Not supported with pagination yet | Suppose Will decides to join the Photography Club. Which result would be a cost? | [
"Will will have more fun in the Photography Club than he would have had in the Theater Club.",
"Will will spend more time in the Photography Club than he would have spent in the Theater Club."
] | 1 | Will is deciding whether to join the Photography Club or the Theater Club at school. He wants the club he joins to be fun. But he doesn't want it to take up too much time. | closed choice | grade5 | 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 Will wants or needs:
Will will spend more time in the Photography Club than he would have spent in the Theater Club. |
Is a coin a solid, a liquid, or a gas? | [
"a gas",
"a solid",
"a liquid"
] | 1 | closed choice | grade3 | natural science | physics | States of matter | Classify matter as solid, liquid, or gas | 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... | A coin is a solid. A solid has a size and shape of its own.
Many coins are made of solid metal. | ||
What is the name of the colony shown? | [
"Vermont",
"New York",
"New Jersey",
"Mississippi"
] | 2 | closed choice | grade8 | social science | us-history | Colonial America | Identify the Thirteen Colonies | The colony is New Jersey. | |||
Which country is highlighted? | [
"Dominica",
"Trinidad and Tobago",
"the Dominican Republic",
"Saint Vincent and the Grenadines"
] | 0 | closed choice | grade6 | social science | geography | The Americas: geography | Identify and select countries of the Caribbean | This country is Dominica. | |||
What is the capital of Massachusetts? | [
"Trenton",
"Boston",
"Cambridge",
"Charleston"
] | 1 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the Northeast | Boston is the capital of Massachusetts. | |||
Which solution has a higher concentration of purple particles? | [
"Solution B",
"neither; their concentrations are the same",
"Solution A"
] | 0 | 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... | |
Which specific humidity level was measured within the outlined area shown? | [
"9 grams of water vapor per kilogram of air",
"10 grams of water vapor per kilogram of air",
"2 grams of water vapor per kilogram of air"
] | 2 | The map below shows humidity in the lower atmosphere on May 3, 2013. The map shows specific humidity, a measurement of the amount of water vapor in the air. The outlined area shows an air mass that influenced weather in North America on that day.
Look at the map. Then, answer the question below.
Data source: United Sta... | closed choice | grade7 | natural science | earth-science | Weather and climate | Identify and compare air masses | To study air masses, scientists can use maps that show conditions within Earth's atmosphere. For example, the map below uses color to show specific humidity, a measurement of the amount of water vapor in the air.
The map's legend tells you the specific humidity level that each color represents. Colors on the left in th... | Look at the colors shown within the outlined area. Then, use the legend to determine which specific humidity levels those colors represent.
The legend tells you that this air mass contained air with specific humidity levels between 0 and 6 grams of water vapor per kilogram of air.
2 grams of water vapor per kilogram of... | |
During this time, thermal energy was transferred from () to (). | [
"each battery . . . the surroundings",
"the surroundings . . . each battery"
] | 0 | Two friends bought phones that cost different amounts but had identical batteries. After using the phones for a while, both friends had to turn them off to let the batteries cool. This table shows how the temperature of each battery changed over 5minutes. | 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 battery decreased, which means that the thermal energy of each battery decreased. So, thermal energy was transferred from each battery to the surroundings. | |
Not supported with pagination yet | Which organ lets you think? | [
"heart",
"muscles",
"brain"
] | 2 | closed choice | grade3 | natural science | biology | Animals | Human organs and their functions | |||
What is the capital of Florida? | [
"Tampa",
"Indianapolis",
"Tallahassee",
"Concord"
] | 2 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Southeast | Tallahassee is the capital of Florida. | |||
Not supported with pagination yet | What is the temperature of a cup of hot coffee? | [
"140°F",
"140°C"
] | 0 | Select the better estimate. | closed choice | grade7 | natural science | units-and-measurement | Units and measurement | Estimate temperatures | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Temperature can be written with units of degrees Fahrenheit (°F) or Celsius (°C). Use the list below to compare the two units.
212°F | Water boils | 100°C
98.6°F | Body temperature | 37°C
68°F ... | The better estimate for the temperature of a cup of hot coffee is 140°F.
140°C is too hot. |
Not supported with pagination yet | Cole starts to pull the wagon across the yard. To move the wagon at the same speed each time, which friend does Cole need to pull with a larger force? | [
"a friend who weighs 26 pounds",
"a friend who weighs 33 pounds"
] | 1 | Cole gives two friends a ride in his wagon. One friend sits in the wagon at a time. | closed choice | grade2 | natural science | physics | Force and motion | How do mass and force affect motion? | A force is a push or a pull.
A force can make an object start moving or stop an object that is moving. A force can also make an object speed up, slow down, or change direction.
Forces can be different sizes.
Think about trying to move a heavy object and a light object. Imagine you want to move them at the same speed. Y... | Look for the friend who is heavier.
A friend who weighs 33 pounds is heavier than a friend who weighs 26 pounds. So, to move the wagon at the same speed each time, Cole needs to use a larger force to start moving the wagon with a friend who weighs 33 pounds. |
Not supported with pagination yet | What is the source of the allusion in the sentence below?
David dropped out of college to travel the world, but a year later, the prodigal son returned home and re-enrolled. | [
"the Bible",
"British history"
] | 0 | closed choice | grade12 | 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.
The protean nature of the disease makes it difficult to diagnose.
The word protean is an allusion to the sea god Proteus in Gree... | The source of the allusion prodigal son is the Bible.
In a Biblical parable, the prodigal son irresponsibly spends the inheritance given to him by his father. When he returns home, he expects to be shamed, but his father forgives him.
The allusion prodigal son means a person who behaves recklessly but later makes a rep... | |
Not supported with pagination yet | Select the one animal that has all of the mammal traits listed above. | [
"Common toads have moist skin covered in lumps. These lumps are sometimes called warts, and they are a normal part of the toad's skin. Common toads hatch from eggs with no shells. The tadpoles live underwater. Adult toads live in holes or under leaves on land.",
"Female black-capped squirrel monkeys carry their o... | 1 | Mammals are a group of animals with similar traits. The following traits can be used to identify mammals:
They feed their offspring milk.
They have fur or hair. 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.
Mammals have the following traits:
They feed their offspring milk.
They have fur or hair.
Compare each animal's traits to the group's traits. Select the animal with traits similar to the group's traits.
A black-capped squirrel monkey has the fo... |
Not supported with pagination yet | Which sentence states a fact? | [
"The ancient Maya people believed that chocolate was the food of the gods.",
"The ancient Maya people of Central America had some peculiar ideas about chocolate."
] | 0 | closed choice | grade5 | social science | civics | Social studies skills | Identify facts and opinions | A fact is something that can be proved to be true. Facts can be proved by observing, measuring, or studying information.
The flag of the United States has 13 stripes.
This is a fact. It can be proved by looking at the flag and counting the number of stripes.
An opinion is something that a person believes, thinks, or fe... | The first sentence states a fact.
The ancient Maya people believed that chocolate was the food of the gods.
It can be proved by looking in books about Mayan beliefs.
The second sentence states an opinion.
The ancient Maya people of Central America had some peculiar ideas about chocolate.
Peculiar shows what a person be... | |
What is the name of the colony shown? | [
"North Carolina",
"Wisconsin",
"New Hampshire",
"New York"
] | 3 | closed choice | grade4 | social science | us-history | English colonies in North America | Identify the Thirteen Colonies | The colony is New York.
During the colonial era, New Hampshire and New York both claimed the territory that would later become the state of Vermont. Vermont was never its own colony. | |||
Not supported with pagination yet | Using only these supplies, which question can Anthony investigate with an experiment? | [
"When hung in the laundry room, do black cloth towels or white cloth towels dry more quickly?",
"Does a small cloth towel or a large cloth towel dry faster when hung in the backyard?",
"Do cloth towels dry faster if they are hung in the laundry room or in the backyard?"
] | 2 | After Anthony cleans up a spill, he hangs a wet cloth towel in the laundry room. Two hours later, he notices that the towel has partially dried. He wonders what factors affect how cloth dries. So, he decides to design an experiment. He has the following supplies available:
two identical white cloth towels
water
a cloth... | closed choice | grade6 | natural science | science-and-engineering-practices | Designing experiments | Identify questions that can be investigated with a set of materials | Experiments can be designed to answer specific questions. When designing an experiment, you must identify the supplies that are necessary to answer your question. In order to do this, you need to figure out what will be tested and what will be measured during the experiment.
Imagine that you are wondering if plants gro... | |
Which solution has a higher concentration of yellow particles? | [
"Solution B",
"Solution A",
"neither; their concentrations are the same"
] | 0 | The diagram below is a model of two solutions. Each yellow 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 yellow particles represent the solute. To figure out which solution has a higher concentration of yellow particles, look at both the number of yellow particles and the volume of the solvent in each container.
Use the concentration formula to find the number of yellow particles per mill... | |
Select the mammal below. | [
"gray wolf",
"helmeted iguana"
] | 0 | Mammals have hair or fur and feed their young milk. A bison is an example of a mammal. | closed choice | grade3 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Birds, mammals, fish, reptiles, and amphibians are groups of animals. The animals in each group have traits in common.
Scientists sort animals into groups based on traits they have in common. This process is called classification. | A helmeted iguana is a reptile. It has scaly, waterproof skin.
Iguanas are a type of lizard. Iguanas eat plants and fruit.
A gray wolf is a mammal. It has fur and feeds its young milk.
Wolves often live in family groups. A wolf mother, father, and their children travel together. | |
Not supported with pagination yet | Which word is not like the others? | [
"cabin",
"apartment",
"lake",
"house"
] | 2 | closed choice | grade2 | language science | vocabulary | Categories | Which word is not like the others? | Some words are alike. They go together in a group.
Red, blue, and green go together. They are colors.
Mom, dad, grandma, and grandpa go together. They are people in a family. | House, apartment, and cabin go together. They are places to live. Lake is not a place to live, so it is not like the other words. | |
Which solution has a higher concentration of green particles? | [
"neither; their concentrations are the same",
"Solution A",
"Solution B"
] | 2 | The diagram below is a model of two solutions. Each green ball represents one particle of solute. | closed choice | grade7 | 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 green particles represent the solute. To figure out which solution has a higher concentration of green particles, look at both the number of green particles and the volume of the solvent in each container.
Use the concentration formula to find the number of green particles per millilit... | |
Not supported with pagination yet | How long is a pen? | [
"17 centimeters",
"17 kilometers"
] | 0 | Select the better estimate. | closed choice | grade2 | natural science | units-and-measurement | Units and measurement | Choose metric units of distance | 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 a pencil is 16 long. You might be thinking, 16 what? Is the pencil 16 centimeters long? 16 meters? 16 kilometers?
The number 16 on its own does not give you much informa... | The better estimate for the length of a pen is 17 centimeters.
17 kilometers is too long. |
Select the organism in the same genus as the smooth-sided toad. | [
"Hyla japonica",
"Bufo viridis",
"Hyla cinerea"
] | 1 | This organism is a smooth-sided toad. Its scientific name is Bufo guttatus. | closed choice | grade4 | natural science | biology | Scientific names | Use scientific names to classify organisms | Scientists use scientific names to identify organisms. Scientific names are made of two words.
The first word in an organism's scientific name tells you the organism's genus. A genus is a group of organisms that share many traits.
A genus is made up of one or more species. A species is a group of very similar organisms... | A smooth-sided toad's scientific name is Bufo guttatus. The first word of its scientific name is Bufo.
Bufo viridis is in the genus Bufo. The first word of its scientific name is Bufo. So, Bufo viridis and Bufo guttatus are in the same genus.
Hyla japonica is in the genus Hyla. The first word of its scientific name is ... | |
Not supported with pagination yet | What is the mass of a full box of cereal? | [
"24 ounces",
"24 pounds",
"24 tons"
] | 0 | Select the best estimate. | closed choice | grade4 | natural science | units-and-measurement | Units and measurement | Choose customary units of mass | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Mass is a measurement of how much matter something contains.
There are many different units of mass. When you are using customary units, mass may be written with units of ounces, pounds, or ton... | The best estimate for the mass of a full box of cereal is 24 ounces.
24 pounds and 24 tons are both too heavy. |
Not supported with pagination yet | Complete the sentence.
Cutting an apple is a (). | [
"chemical change",
"physical change"
] | 1 | closed choice | grade2 | natural science | chemistry | Physical and chemical change | Identify physical and chemical changes | Chemical changes and physical changes are two ways matter can change.
In a chemical change, the type of matter changes.
Burning a piece of paper is a chemical change. The paper changes into ash and smoke.
In a physical change, the type of matter stays the same.
Cutting a piece of paper is a physical change. The cut pie... | Cutting an apple is a physical change. The apple gets a different shape. But it is still made of the same type of matter as the uncut apple. | |
Not supported with pagination yet | What does this Works Cited entry indicate about the cited work?
Hille, Karl, Ed. "A Hubble Sweep of the Dust Filaments of NGC 4217." Hubble. NASA, 27 Jan. 2015. Web. 1 May 2015. | [
"Hubble is the title of the web page.",
"\"A Hubble Sweep of the Dust Filaments of NGC 4217\" is the title of the web page.",
"NASA is the title of the web page."
] | 1 | 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:
Hille, Karl, Ed. "A Hubble Sweep of the Dust Filaments of NGC 4217." Hubble. NASA, 27 Jan. 2015. Web. 1 May 2015.
You can tell that "A Hubble Sweep of the Dust Filaments of NGC 4217" is the title of the web page because it appears in quotation marks. | |
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... | The particles in both samples have the same average speed, but each particle in sample A has more mass than each particle 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, sample A mus... | |
What is the capital of Tennessee? | [
"Nashville",
"Pierre",
"Jefferson City",
"Baltimore"
] | 0 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the Southeast | Nashville is the capital of Tennessee. | |||
Which animal's legs are also adapted for wading? | [
"flying fox",
"Eurasian spoonbill"
] | 1 | Painted storks live near marshes in southern Asia. They eat fish that live in shallow water. Painted storks hunt their prey by walking through water, or wading.
The 's legs are adapted for wading. They are lightweight and keep the bird's body above the water.
Figure: painted stork. | closed choice | grade3 | 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.
Arms, legs, flippers, and wings are different types of limbs. The type of limbs an animal has is an example of an adaptation. Animals' limbs can be adapted in different ways. For examp... | Look at the picture of the painted stork.
Long legs help the painted stork keep its body above the surface of the water while wading. Thin legs are easier to move through the water.
Now look at each animal. Figure out which animal has a similar adaptation.
The Eurasian spoonbill has long, thin legs. Its legs are adapte... | |
What is the capital of New Jersey? | [
"Newark",
"Hartford",
"Jersey City",
"Trenton"
] | 3 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Northeast | Trenton is the capital of New Jersey. | |||
Not supported with pagination yet | Read the following excerpt from a student essay. How can the writer best improve his or her sentence fluency?
If you want to improve your life, consider exercise. Exercise does more than just help to build stamina and strength. It can help you control your weight. It can also reduce your chances of getting a serious il... | [
"by varying sentence length",
"by varying the beginnings of sentences",
"by using more complex sentence structures"
] | 1 | 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 sentence fluency by varying the beginnings of sentences.
For example, the writer could revise the underlined text.
If you want to improve your life, consider exercise. Exercise does more than just help to build stamina and strength. It can help you control your weight. It can al... | |
Not supported with pagination yet | Which of the following contains a vague pronoun reference? | [
"If Ron doesn't know how to make homemade waffles, he can find the recipe in the cookbook.",
"If Ron doesn't know how to make homemade waffles, he can find it in the cookbook."
] | 1 | closed choice | grade10 | language science | writing-strategies | Pronouns | Identify vague pronoun references | When writing, make sure to avoid vague pronoun references. A vague pronoun reference occurs when a pronoun could refer to more than one possible antecedent.
When Lisa and Kim finally landed, she breathed a sigh of relief.
The pronoun she could refer to either Lisa or Kim, so the meaning of the sentence is unclear.
Vagu... | The first answer choice contains a vague pronoun reference. The pronoun it is used without its antecedent.
The second answer choice shows a possible correction for the vague pronoun reference. It has been replaced with the recipe.
If Ron doesn't know how to make homemade waffles, he can find the recipe in the cookbook. | |
Not supported with pagination yet | Which sentence uses a metaphor? | [
"The ripe tomatoes were like small red balloons.",
"The ripe tomatoes were small red balloons."
] | 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... | This sentence uses a metaphor:
The ripe tomatoes were small red balloons.
The words tomatoes and balloons are compared without the word like or as.
This sentence uses a simile:
The ripe tomatoes were like small red balloons.
The words tomatoes and balloons are compared using the word like. | |
Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | [
"sample B",
"sample A",
"neither; the samples have the same temperature"
] | 0 | 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 | grade8 | 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 sample B has more mass than each particle in sample A. The particles in sample B also 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 ... | |
Not supported with pagination yet | Select the one true statement. | [
"The cell wall gives a plant cell its fixed shape.",
"The endoplasmic reticulum breaks down sugar to release energy that an animal cell can use.",
"Chloroplasts are inside the nucleus of a plant cell."
] | 0 | closed choice | grade7 | natural science | biology | Cells | Compare cells and cell parts | |||
Not supported with pagination yet | Which text uses the word random in its traditional sense? | [
"Kinsley made a random trip to the grocery store, though her kitchen was already stocked with a hodgepodge of food.",
"At the grocery store, Kinsley hastily grabbed fruits and vegetables at random, filling her shopping cart with a hodgepodge of food."
] | 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 random in its traditional sense: made or occurring without a definite pattern.
At the grocery store, Kinsley hastily grabbed fruits and vegetables at random, filling her shopping cart with a hodgepodge of food.
The second text uses random in its nontraditional sense: odd or out of place.
Kinsley mad... | |
Which animal's skin is better adapted to hurt an attacking predator? | [
"blowfish",
"hyrax"
] | 0 | Echidnas have sharp spines covering much of their skin. These spines are called quills. The skin of the is adapted to hurt an attacking predator.
Figure: echidna. | closed choice | grade5 | natural science | biology | Adaptations | Animal adaptations: skins and body coverings | An adaptation is an inherited trait that helps an organism survive or reproduce. Adaptations can include both body parts and behaviors.
The color, texture, and covering of an animal's skin are examples of adaptations. Animals' skins can be adapted in different ways. For example, skin with thick fur might help an animal... | Look at the picture of the echidna.
The echidna has sharp spines on its skin. Its skin is adapted to hurt an attacking predator. The spines can harm a predator that tries to bite the echidna.
Now look at each animal. Figure out which animal has a similar adaptation.
The blowfish has sharp spines on its skin. Its skin i... | |
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 the same in both pairs.",
"The magnitude of the magnetic force is smaller in Pair 2.",
"The magnitude of the magnetic force is smaller 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 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,... | 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.
Both magnet sizes and distance affect the magnitude of the magnetic force. The sizes of the magnets in Pair 1 are... | |
Not supported with pagination yet | Select the animal. | [
"Basil has green leaves.",
"Piranhas eat animals."
] | 1 | closed choice | grade2 | natural science | biology | Classification | Identify plants and animals | Plants and animals are living things. Living things are called organisms.
Plants come in many shapes and sizes. Most plants grow in the ground. They might grow leaves, flowers, and fruit. Plants cannot move around on their own like animals can.
Animals also come in many shapes and sizes. Most animals can move around. A... | Basil is a plant. It has green leaves.
Basil leaves are used in cooking.
A piranha is an animal. It eats other animals.
Piranhas are fish with sharp teeth. A group of piranhas can eat an animal as large as a cow! | |
Not supported with pagination yet | Below are three examples of using energy from natural resources. Select the use of energy that did not add to air pollution. | [
"A pellet stove burned pellets made from wood.",
"An airplane's engines burned jet fuel made from petroleum oil.",
"Wind moved a sailboat across the water."
] | 2 | Humans have invented many ways to use energy from natural resources. Some of these uses of energy add to air pollution, and others do not.
Hint: Burning a material such as wood, oil, or coal releases chemicals that add to air pollution. | closed choice | grade5 | natural science | earth-science | Conservation and natural resources | Evaluate natural energy sources | Humans have invented many ways to use natural resources. We use energy from natural resources in our daily activities, including cooking food, moving objects, and powering machines.
Some ways of using natural resources for energy add to air pollution, and others do not.
Wood, oil, and coal are examples of natural resou... | |
Not supported with pagination yet | What does the verbal irony in this text suggest?
"Someone had better turn on the heat," Anna said, sweat glistening on her face. | [
"The temperature was too warm.",
"The temperature was just right."
] | 0 | closed choice | grade6 | 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.
Someone had better turn on the heat ironically suggests that the temperature was too warm. Anna did not think that more heat was needed; she was already sweating. | |
What is the capital of Pennsylvania? | [
"Harrisburg",
"Annapolis",
"Philadelphia",
"Pittsburgh"
] | 0 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the Northeast | Harrisburg is the capital of Pennsylvania. | |||
Not supported with pagination yet | What is the source of the allusion in the sentence below?
When I left, the kittens were all peacefully sleeping on my bed. When I returned, it was Lord of the Flies. | [
"literature",
"the Bible"
] | 0 | 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 Lord of the Flies is literature.
In William Golding's 1954 novel Lord of the Flies, a group of schoolboys survive a plane crash on a remote island and separate into violent, warring factions.
The allusion Lord of the Flies means a barbarous rivalry. | |
Identify the question that Bridgette's experiment can best answer. | [
"Does the humidity level where tomato seeds are planted affect the number of tomato seedlings that grow?",
"Do more tomato seedlings grow when they are planted in soil with fertilizer compared to soil without fertilizer?"
] | 1 | The passage below describes an experiment. Read the passage and then follow the instructions below.
Bridgette planted 25 tomato seeds one-half inch below the soil surface in each of six pots. Bridgette added an equal amount of fertilizer to three of the six pots. She placed the pots in a plant growth chamber where all... | closed choice | grade8 | 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... | ||
Select the organism in the same genus as the great gray owl. | [
"Cyanocitta cristata",
"Strix uralensis",
"Chroicocephalus scopulinus"
] | 1 | This organism is a great gray owl. Its scientific name is Strix nebulosa. | closed choice | grade7 | natural science | biology | Classification and scientific names | Use scientific names to classify organisms | Scientists use scientific names to identify organisms. Scientific names are made of two words.
The first word in an organism's scientific name tells you the organism's genus. A genus is a group of organisms that share many traits.
A genus is made up of one or more species. A species is a group of very similar organisms... | A great gray owl's scientific name is Strix nebulosa. The first word of its scientific name is Strix.
Chroicocephalus scopulinus is in the genus Chroicocephalus. The first word of its scientific name is Chroicocephalus. So, Chroicocephalus scopulinus and Strix nebulosa are not in the same genus.
Cyanocitta cristata is ... | |
Not supported with pagination yet | Which is the bumpiest? | [
"paper bag",
"asphalt road",
"cotton shirt"
] | 1 | closed choice | grade4 | 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. Some examples of properties are shiny, hard, fragile, and stretchy.
For examp... | Bumpy is a property. A bumpy material is covered in lumps and bumps. It is not flat or smooth.
Look at each picture, one at a time. Imagine touching the material shown in each picture.
Of the choices, the asphalt road is the bumpiest. If you touch an asphalt road, it will feel lumpy and bumpy. | |
Which bird's beak is also adapted to crack hard seeds? | [
"barn swallow",
"bronze mannikin"
] | 1 | Northern cardinals eat small, hard seeds. The shape of the 's beak is adapted to crack open small, hard seeds.
Figure: northern cardinal. | closed choice | grade5 | 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 northern cardinal.
The northern cardinal has a short, thick beak. Its beak is adapted to crack hard seeds. The northern cardinal uses its short, thick beak to press down on a seed and crack open its hard shell.
Now look at each bird. Figure out which bird has a similar adaptation.
The bronze ... | |
Which animal's mouth is also adapted to eat plant matter? | [
"giraffe",
"aardvark"
] | 0 | Donkeys are herbivores, or plant eaters. They eat grass and leaves. The 's mouth is adapted to grind up and eat plant matter.
Figure: donkey. | 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 an animal's mouth is one example of an adaptation. Animals' mouths can be adapted in different ways. For example, a large mouth with sharp teeth might help an animal tear ... | Look at the picture of the donkey.
The donkey has long jaws and flat teeth. Its mouth is adapted to eat plant matter. The long jaws can help the donkey reach grass. The flat teeth can help it cut and grind up the food into soft pieces it can swallow.
Now look at each animal. Figure out which animal has a similar adapta... | |
Not supported with pagination yet | Using only these supplies, which question can Manuel investigate with an experiment? | [
"Does a big toy car go down the wooden ramp faster than a small toy car?",
"Do toy cars with plastic wheels go faster down the cardboard ramp than toy cars with metal wheels?",
"Do toy cars go faster down the ramp made of wood or the ramp made of cardboard?"
] | 2 | Manuel and his sister are building ramps to race their toy cars down. Manuel notices that the cars go down some of the ramps faster than others. He wonders what factors affect the cars' speed. So, he decides to design an experiment. He has the following supplies available:
two identical toy cars
a wooden ramp three fee... | closed choice | grade7 | natural science | science-and-engineering-practices | Designing experiments | Identify questions that can be investigated with a set of materials | Experiments can be designed to answer specific questions. When designing an experiment, you must identify the supplies that are necessary to answer your question. In order to do this, you need to figure out what will be tested and what will be measured during the experiment.
Imagine that you are wondering if plants gro... | |
Not supported with pagination yet | Which word would you find on a dictionary page with the following guide words?
vanish - vibrate | [
"vessel",
"volley"
] | 0 | closed choice | grade8 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since vessel is between the guide words vanish - vibrate, it would be found on that page. | |
How many years passed between the signing of the Treaty of Versailles and the beginning of World War II in Europe? | [
"35 years",
"20 years",
"15 years",
"23 years"
] | 1 | Look at the timeline. Then answer the question. | closed choice | grade5 | social science | world-history | 20th century American history | World War II: lead-up to war in Europe, Asia | The Treaty of Versailles was signed in 1919. World War II began in Europe in 1939. Subtract 1919 from 1939.
There were 20 years between the signing of the Treaty of Versailles and the beginning of World War II in Europe. | ||
Not supported with pagination yet | How long is a hammer? | [
"10 feet",
"10 miles",
"10 inches",
"10 yards"
] | 2 | Select the best estimate. | closed choice | grade7 | natural science | units-and-measurement | Units and measurement | Choose customary units of distance, mass, and volume | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
When you are using customary units, length may be written with units of inches, feet, yards, or miles.
There are 12 inches in 1 foot, and 3 feet in 1 yard. There are 5,280 feet in 1 mile.
A foo... | The best estimate for the length of a hammer is 10 inches.
10 feet, 10 yards, and 10 miles are all too long. |
Not supported with pagination yet | Select the plant. | [
"Mango trees have many leaves.",
"Vultures eat mammals and birds."
] | 0 | closed choice | grade2 | natural science | biology | Classification | Identify plants and animals | Plants and animals are living things. Living things are called organisms.
Plants come in many shapes and sizes. Most plants grow in the ground. They might grow leaves, flowers, and fruit. Plants cannot move around on their own like animals can.
Animals also come in many shapes and sizes. Most animals can move around. A... | A vulture is an animal. It eats mammals and birds.
Vultures usually do not hunt live animals. They eat animals that are already dead! This behavior is called scavenging.
A mango tree is a plant. It has many green leaves.
Mango trees can grow to over 100 feet tall! | |
Which solution has a higher concentration of pink particles? | [
"neither; their concentrations are the same",
"Solution A",
"Solution B"
] | 2 | The diagram below is a model of two solutions. Each pink ball represents one particle of solute. | closed choice | grade7 | 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.
... | |
Not supported with pagination yet | Which of the following contains a vague pronoun reference? | [
"Jim, did you ask them if the flu vaccination is available yet?",
"Jim, did you ask the nurses if the flu vaccination is available yet?"
] | 0 | closed choice | grade7 | language science | writing-strategies | Pronouns and antecedents | Identify vague pronoun references | When writing, make sure to avoid vague pronoun references. A vague pronoun reference occurs when a pronoun could refer to more than one possible antecedent.
When Lisa and Kim finally landed, she breathed a sigh of relief.
The pronoun she could refer to either Lisa or Kim, so the meaning of the sentence is unclear.
Vagu... | The first answer choice contains a vague pronoun reference. The pronoun them is used without its antecedent.
The second answer choice shows a possible correction for the vague pronoun reference. Them has been replaced with the nurses.
Jim, did you ask the nurses if the flu vaccination is available yet? | |
Not supported with pagination yet | Is baking a cake a good or a service? | [
"a service",
"a good"
] | 0 | closed choice | grade2 | social science | economics | Economics | Goods and services | Everything you can buy is either a good or a service.
A good is something you can touch or hold in your hands. For example, a hammer is a good.
A service is a job you pay someone else to do. For example, cooking food in a restaurant is a service. | To decide whether baking a cake is a good or a service, ask these questions:
Is baking a cake something you can touch? No.
Is baking a cake a job you might pay someone else to do? Yes.
So, baking a cake is a service. | |
Not supported with pagination yet | Which word is not like the others? | [
"nice",
"big",
"tall",
"short"
] | 0 | closed choice | grade2 | language science | vocabulary | Categories | Which word is not like the others? | Some words are alike. They go together in a group.
Red, blue, and green go together. They are colors.
Mom, dad, grandma, and grandpa go together. They are people in a family. | Short, big, and tall go together. They are size words. Nice is not a size word, so it is not like the other words. | |
Not supported with pagination yet | Which closing is correct for a letter? | [
"Thank you,\nOliver",
"thank you,\nOliver"
] | 0 | 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. | |
Not supported with pagination yet | Which logical fallacy is used in the text?
Reggie, the company you work for just filed for bankruptcy! How can I trust you with our money? | [
"straw man: a misrepresentation of an opponent's position that makes it easier to argue against",
"guilt by association: a negative association intended to discredit someone or something"
] | 1 | closed choice | grade7 | 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 Reggie must be fiscally irresponsible, because he works for a company that went bankrupt. However, even though his company is perceived as fiscally irresponsible, that doesn't necessarily mean that Reggie is, too. This illustrates a type of logical fallacy known as guilt by association. | |
What can Eddie and Valentina trade to each get what they want? | [
"Eddie can trade his tomatoes for Valentina's sandwich.",
"Valentina can trade her broccoli for Eddie's oranges.",
"Eddie can trade his tomatoes for Valentina's broccoli.",
"Valentina can trade her almonds for Eddie's tomatoes."
] | 2 | 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.
Eddie and Valentina open their lunch boxes in the school cafeteria. Both of them could be happier with their lunches. Eddie wante... | closed choice | grade6 | social science | economics | Basic economic principles | Trade and specialization | Eddie wanted broccoli in his lunch and Valentina was hoping for tomatoes. Look at the labeled part of the images.
Eddie has tomatoes. Valentina has broccoli. They can trade tomatoes for broccoli to both be happier. Trading other things would not help either person get more items they want. | ||
Which country is highlighted? | [
"Tuvalu",
"Samoa",
"Palau",
"the Federated States of Micronesia"
] | 2 | closed choice | grade8 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Palau. | |||
Which of these cities is marked on the map? | [
"Minneapolis",
"Milwaukee",
"Chicago",
"Omaha"
] | 2 | closed choice | grade5 | social science | geography | Cities | Cities of the Midwest | The city is Chicago, Illinois. Milwaukee, Minneapolis, and Omaha are marked with gray circles on the map below. | |||
Not supported with pagination yet | Which word is not like the others? | [
"snow",
"sun",
"rain",
"house"
] | 3 | closed choice | grade1 | language science | vocabulary | Categories | Which word is not like the others? | Some words are alike. They go together in a group.
Red, blue, and green go together. They are colors.
Mom, dad, grandma, and grandpa go together. They are people in a family. | Rain, sun, and snow go together. They are weather words. House is not a weather word, so it is not like the other words. | |
Not supported with pagination yet | Which logical fallacy is used in the text?
Maya should either stop reading those sappy paranormal romance novels or finally admit that she doesn't believe in empowering women. | [
"false dichotomy: an argument that presents only two choices when more options exist",
"slippery slope fallacy: the false assumption that a small first step will lead to extreme consequences",
"circular reasoning: an argument that supports a claim with the claim itself"
] | 0 | 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 Maya either must give up reading a certain type of book or admit she doesn't believe in female empowerment. However, someone can both enjoy reading paranormal romance books and also believe in empowering women. This illustrates a type of logical fallacy known as a false dichotomy. | |
What can Josie and Eve trade to each get what they want? | [
"Eve can trade her broccoli for Josie's oranges.",
"Josie can trade her tomatoes for Eve's carrots.",
"Josie can trade her tomatoes for Eve's broccoli.",
"Eve can trade her almonds for Josie's tomatoes."
] | 2 | 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.
Josie and Eve open their lunch boxes in the school cafeteria. Neither Josie nor Eve 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.
Josie wants broccoli. Eve 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. | ||
Which country is highlighted? | [
"Tonga",
"Tuvalu",
"Kiribati",
"Nauru"
] | 2 | closed choice | grade6 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Kiribati. | |||
Not supported with pagination yet | How long does it take to blow your nose? | [
"3 seconds",
"3 minutes"
] | 0 | Select the better estimate. | closed choice | grade2 | 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 blow your nose is 3 seconds.
3 minutes is too slow. |
Select the amphibian below. | [
"cane toad",
"fruit bat"
] | 0 | Amphibians have moist skin and begin their lives in water. A golden frog is an example of an amphibian. | closed choice | grade2 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Birds, mammals, fish, reptiles, and amphibians are groups of animals. The animals in each group have traits in common.
Scientists sort animals into groups based on traits they have in common. This process is called classification. | A cane toad is an amphibian. It has moist skin and begins its life in water.
A fruit bat is a mammal. It has hair and feeds its young milk. | |
Not supported with pagination yet | All organisms need food for energy. But how does an organism's body actually get energy out of food?
Select the true statement. | [
"Cells usually take in large food molecules.",
"Molecules from food can provide energy to cells."
] | 1 | Food supplies an organism with many small, energy-rich molecules. These molecules are taken in by the organism's cells. Inside cells, the molecules from food are broken down to release energy that cells can use. This energy powers cell processes that allow the entire organism to grow and live. | closed choice | grade8 | natural science | chemistry | Biochemistry | Understanding the chemistry of cellular respiration | ||
Not supported with pagination yet | Select the one substance that is not a rock. | [
"Basalt is not made by living things. It is not a pure substance.",
"Quartzite is not a pure substance. It is a solid.",
"Candle wax is made by humans. It is not a pure substance."
] | 2 | closed choice | grade4 | natural science | earth-science | Rocks and minerals | Identify rocks using properties | Rocks are made of minerals. Here are some properties of rocks:
They are solid.
They are formed in nature.
They are not made by living things.
They are not pure substances. | Compare the properties of each substance to the properties of rocks. Select the substance whose properties do not match those of rocks.
Basalt is a rock.
Quartzite is a rock.
Candle wax is made by humans. But rocks are not made by living things.
So, candle wax is not a rock. | |
Which of the following could Steven'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... | ||
Not supported with pagination yet | What is the mass of a full box of cereal? | [
"465 kilograms",
"465 grams"
] | 1 | Select the better estimate. | closed choice | grade4 | natural science | units-and-measurement | Units and measurement | Choose metric units of mass | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Mass is a measurement of how much matter something contains.
There are many different units of mass. When you are using metric units, mass may be written with units of grams or kilograms.
There... | The better estimate for the mass of a full box of cereal is 465 grams.
465 kilograms is too heavy. |
Which is the main persuasive appeal used in this ad? | [
"ethos (character)",
"pathos (emotion)",
"logos (reason)"
] | 0 | closed choice | grade7 | language science | writing-strategies | Persuasive strategies | Identify appeals to ethos, pathos, and logos in advertisements | The purpose of an advertisement is to persuade people to do something. To accomplish this purpose, advertisements use three types of persuasive strategies, or appeals:
Appeals to ethos, or character, show that the writer or speaker is trustworthy or is an authority on a subject. An ad that appeals to ethos might do one... | The ad appeals to ethos, or character. It notes that the bank has been trusted for many years. | ||
Will these magnets attract or repel each other? | [
"repel",
"attract"
] | 0 | Two magnets are placed as shown.
Hint: Magnets that attract pull together. Magnets that repel push apart. | closed choice | grade2 | 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 statement is supported by these pictures? | [
"The cheetah has legs, and so did Homotherium.",
"The cheetah has teeth, but Homotherium did not."
] | 0 | Look at the two pictures below. The cheetah is a modern organism, and Homotherium is an extinct one. The cheetah has many of the traits that Homotherium had. | closed choice | grade4 | natural science | earth-science | Fossils | Compare ancient and modern organisms: use observations to support a hypothesis | Fossils are the remains of organisms that lived long ago. Scientists look at fossils to learn about the traits of ancient organisms. Often, scientists compare fossils to modern organisms.
Some ancient organisms had many traits in common with modern organisms. Other ancient organisms were very different from any organis... | The cheetah has legs and teeth.
This fossil of Homotherium shows the bones of its legs. So, Homotherium had legs.
The fossil also shows the remains of sharp teeth. So, Homotherium had teeth.
Choice "The cheetah has teeth, but Homotherium did not." is incorrect.
This statement is not supported by the pictures. From Homo... | |
Not supported with pagination yet | Read the following excerpt from a student essay. How can the writer best improve his or her word choice?
One concern in sports is the risk of concussion, or brain injury. If you hit your head on the field, how do you know whether you have a concussion? Some possible signs are feeling dizzy or headachy for more than a f... | [
"by including more figurative language",
"by fixing misused words",
"by avoiding overly informal language"
] | 2 | 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 word choice by avoiding overly informal language.
For example, the writer could replace the underlined text with more formal words, such as vomiting, confused, emotional, and talk.
One concern in sports is the risk of concussion, or brain injury. If you hit your head on the fiel... | |
Which solution has a higher concentration of green particles? | [
"Solution B",
"neither; their concentrations are the same",
"Solution A"
] | 0 | The diagram below is a model of two solutions. Each green 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 green particles represent the solute. To figure out which solution has a higher concentration of green particles, look at both the number of green particles and the volume of the solvent in each container.
Use the concentration formula to find the number of green particles per millilit... | |
What is the capital of Iowa? | [
"Des Moines",
"Columbia",
"Cedar Rapids",
"Lansing"
] | 0 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Midwest | Des Moines is the capital of Iowa. | |||
Select the bird below. | [
"clownfish",
"Surinam horned frog",
"tiger shark",
"brown pelican"
] | 3 | Birds have feathers, two wings, and a beak.
Birds are warm-blooded. Warm-blooded animals can control their body temperature.
A keel-billed toucan is an example of a bird. | 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 tiger shark is a fish. It lives underwater. It has fins, not limbs.
Tiger sharks are nocturnal. This means that they are active mostly at night.
A Surinam horned 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 their eggs in water.
A clownfi... | |
Not supported with pagination yet | What do these two changes have in common?
peeling a banana
breaking a plate | [
"Both are chemical changes.",
"Both are only physical changes.",
"Both are caused by cooling.",
"Both are caused by heating."
] | 1 | closed choice | grade3 | 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.
Peeling a banana is a physical change. The peel is not covering the rest of the fruit anymore. But both the peel and the banana are still made of the same type of matter as before.
Breaking a plate is a physical change. The plate gets broken into pieces. But each piece is still made of ... | |
Not supported with pagination yet | Which change better matches the sentence?
The trees on a hill catch fire after a storm. | [
"volcanic eruption",
"wildfire"
] | 1 | closed choice | grade2 | natural science | earth-science | Earth events | Classify changes to Earth's surface | |||
Which of these states is farthest north? | [
"Mississippi",
"New York",
"Arizona",
"Kansas"
] | 1 | closed choice | grade3 | 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 north arrow is pointing. New York is farthest north. | ||
Not supported with pagination yet | What information supports the conclusion that Sam acquired this trait? | [
"Sam won a competition at his school with his jump rope tricks.",
"Sam's sister taught him how to do tricks with a jump rope.",
"Sam has three jump ropes, each made of a different material."
] | 1 | Read the description of a trait.
Sam knows how to do tricks with a jump rope. | 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 | How long does it take to go for a walk with a dog? | [
"12 seconds",
"12 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 go for a walk with a dog is 12 minutes.
12 seconds is too fast. |
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."
] | 1 | 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 | grade7 | 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,... | 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 1 than in Pair 2. So, the magnitud... | |
What is the capital of Louisiana? | [
"Fairbanks",
"Baton Rouge",
"Cincinnati",
"New Orleans"
] | 1 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Southeast | Baton Rouge is the capital of Louisiana. | |||
Not supported with pagination yet | Which logical fallacy is used in the text?
Mom, of course you can trust me to stay home alone while you go out of town. I mean, did you raise a good kid, or one who can't be trusted? | [
"appeal to nature: the assumption that natural things are always good",
"false dichotomy: an argument that presents only two choices when more options exist",
"slippery slope fallacy: the false assumption that a small first step will lead to extreme consequences"
] | 1 | 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 speaker's mom raised either a good child or one who can't be trusted. However, it's not a black-and-white situation. For instance, a good kid can still make mistakes. This illustrates a type of logical fallacy known as a false dichotomy. | |
What is the capital of Arkansas? | [
"Tallahassee",
"Baton Rouge",
"Fayetteville",
"Little Rock"
] | 3 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the Southeast | Little Rock is the capital of Arkansas. | |||
Not supported with pagination yet | Would you find the word ostrich on a dictionary page with the following guide words?
of - oh | [
"no",
"yes"
] | 0 | yes or no | grade5 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since ostrich is not between the guide words of - oh, it would not be found on that page. | |
Which property do these two objects have in common? | [
"sweet",
"rough"
] | 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.
Sugar has a sweet taste. The rock are not sweet.
A rough object feels scratchy when you touch it. Both objects are rough.
The property that both objects have in common is rough. |
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.