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Not supported with pagination yet | Would you find the word league on a dictionary page with the following guide words?
latch - loan | [
"no",
"yes"
] | 1 | yes or no | 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 league is between the guide words latch - loan, it would be found on that page. | |
In this experiment, which were part of an experimental group? | [
"the bottles that were cooled down",
"the bottles that were at room temperature"
] | 0 | The passage below describes an experiment.
Jenny has a bubble machine and wants to know how to make the bubbles last longer. She read that bubbles burst when the liquid that makes up the bubbles evaporates. Jenny knew that when liquids are warmer, they evaporate faster. So, she wondered if she could make her bubbles l... | closed choice | grade7 | natural science | science-and-engineering-practices | Designing experiments | Identify control and experimental groups | Experiments have variables, or parts that change. You can design an experiment to investigate whether changing a variable between different groups has a specific outcome.
For example, imagine you want to find out whether adding fertilizer to soil affects the height of pea plants. You could investigate this question wit... | In this experiment, Jenny investigated whether cooling bubble solution affects bubbles. So, the bottles that were cooled down were part of an experimental group.
The bottles that were at room temperature were not cooled down. So, they were not part of an experimental group. | |
After the Akkadian Empire ended, many cities and empires tried to control Mesopotamia. Around the 1790s BCE, which empire started controlling Mesopotamia? | [
"the Babylonian Empire",
"the Neo-Sumerian Empire",
"the Akkadian Empire",
"the Elamite Empire"
] | 0 | Look at the table. Then answer the question below. | closed choice | grade6 | social science | world-history | Ancient Mesopotamia | Mesopotamian empires | Look at the table.
The abbreviation "ca." stands for the Latin word, circa. Circa means "about." It indicates when a date is estimated. So, around 1792 BCE, the Babylonian Empire started controlling Mesopotamia.
The Babylonian (ba-bih-LOH-nee-in) Empire came after the Akkadian and Neo-Sumerian empires. The capital of t... | ||
Not supported with pagination yet | Would you find the word pigeon on a dictionary page with the following guide words?
peasant - punch | [
"yes",
"no"
] | 0 | yes or no | grade7 | 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 pigeon is between the guide words peasant - punch, it would be found on that page. | |
Not supported with pagination yet | Is the following trait inherited or acquired?
Bella plays soccer. | [
"inherited",
"acquired"
] | 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... | People are not born knowing how to play soccer. Instead, some people learn how to play soccer. Playing the sport takes practice. So, playing soccer is an acquired trait. | |
Not supported with pagination yet | Which tense does the sentence use?
The doctor will use a stethoscope for this part. | [
"present tense",
"past tense",
"future tense"
] | 2 | 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 future tense. You can tell because it uses will before the main verb, use. The verb tells you about something that is going to happen. | |
Select the organism in the same species as the great egret. | [
"Ardea alba",
"Falco peregrinus",
"Ictinia mississippiensis"
] | 0 | This organism is a great egret. Its scientific name is Ardea alba. | 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 egret's scientific name is Ardea alba.
Falco peregrinus does not have the same scientific name as a great egret. So, Ardea alba and Falco peregrinus are not in the same species.
Ardea alba has the same scientific name as a great egret. So, these organisms are in the same species.
Ictinia mississippiensis does n... | |
Not supported with pagination yet | Which correctly shows the title of a book? | [
"Black on White",
"black on white"
] | 0 | closed choice | grade4 | 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 on is not important, so it should not be capitalized.
The correct title is Black on White. | |
Not supported with pagination yet | Select the living thing. | [
"cell phone",
"giant clam",
"paper airplane",
"clay"
] | 1 | closed choice | grade4 | natural science | biology | Classification | Identify living and nonliving things | All living things are made up of cells. Plants, animals, and some fungi have many cells. Other living things are made up of just one cell.
All living things need food and water. Water helps living things break down food and remove waste. Food gives living things energy. They use energy from food to grow and change.
All... | Clay is not a living thing.
Clay does not have all of the traits of a living thing. It can be formed into different shapes, but it does not grow or respond to the world around it. It does not need food or water.
A giant clam is a living thing.
Giant clams grow and respond to their environment. They need food and water.... | |
Not supported with pagination yet | What is the source of the allusion in the sentence below?
Austin's Falstaffian nature makes him stand out at a party. | [
"Shakespeare",
"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 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. | |
Will these magnets attract or repel each other? | [
"attract",
"repel"
] | 0 | Two magnets are placed as shown. | closed choice | grade5 | natural science | physics | Magnets | Identify magnets that attract or repel | Magnets can pull or push on other magnets without touching them. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes are called magnetic forces.
Magnetic forces are strongest at the magnets' poles, or ends. Every magnet has two poles: a north pole (N) and a south pole (... | To predict if these magnets will attract or repel, look at which poles are closest to each other.
The south pole of one magnet is closest to the north pole of the other magnet. Opposite poles attract. So, these magnets will attract each other. | |
Not supported with pagination yet | Which object has less thermal energy? | [
"a 200-gram baked potato at a temperature of 65°C",
"a 200-gram baked potato at a temperature of 35°C"
] | 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 baked potatoes have the same mass but different temperatures. Since the 35°C potato is colder than the 65°C potato, it has less thermal energy. |
Which of the following could Rob's test show? | [
"if the sample fabric would absorb one drop of water in less than one second",
"how much athletes would sweat in the fabric",
"how long it would take the sample fabric to dry after it absorbed one drop of water"
] | 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 months have average temperatures below 50°F? | [
"January through April",
"November through April",
"August through December"
] | 1 | Use the graph to answer the question below. | closed choice | grade4 | natural science | earth-science | Weather and climate | Use climate data to make predictions | To describe the average temperature trends in Denver, look at the graph.
Choice "Apr" is incorrect.
Choice "Aug" is incorrect.
Choice "Nov" is incorrect.
Choice "Dec" is incorrect.
Choice "Jan" is incorrect.
The average temperatures in November, December, January, February, March, and April are all below 50°F. So, Nove... | ||
Not supported with pagination yet | What kind of sentence is this?
Keenan has never tried chocolate ice cream before, which I find astounding! | [
"exclamatory",
"interrogative",
"declarative"
] | 0 | closed choice | grade6 | 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, and it always ends with a period.
The nurse told Mr. Abrams to roll up his sleeve so that she could check his blood pressure.
An interrogative sentence is a question, and it always ends with a question mark.
Do you have any plans for the upcoming... | The sentence tells about something, but it shows surprise and ends with an exclamation point. It is an exclamatory sentence. | |
Not supported with pagination yet | Which is the most flexible? | [
"paper crane",
"bone",
"rock wall"
] | 0 | 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... | Flexible is a property. A flexible material can be bent without breaking easily.
Look at each picture, one at a time. Imagine bending the material shown in each picture.
Of the choices, the paper crane is the most flexible. If you bend paper, it will not break. | |
Not supported with pagination yet | What is the mass of a guitar? | [
"3 grams",
"3 kilograms"
] | 1 | Select the better estimate. | closed choice | grade5 | 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 guitar is 3 kilograms.
3 grams is too light. |
Not supported with pagination yet | Which figure of speech is used in this text?
The hum of the computer concerned Edmond. Was the problem with the power supply or the hard drive? | [
"metaphor",
"onomatopoeia"
] | 1 | 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 onomatopoeia, a word that expresses a sound.
Hum represents the sound the computer was making. | |
Select the organism in the same species as the green tree frog. | [
"Bufo guttatus",
"Hyla cinerea",
"Bufo bufo"
] | 1 | This organism is a green tree frog. Its scientific name is Hyla cinerea. | closed choice | grade8 | 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 green tree frog's scientific name is Hyla cinerea.
Hyla cinerea has the same scientific name as a green tree frog. So, these organisms are in the same species.
Bufo guttatus does not have the same scientific name as a green tree frog. So, Hyla cinerea and Bufo guttatus are not in the same species.
Bufo bufo does not ... | |
What is the capital of Virginia? | [
"Oklahoma City",
"Richmond",
"Arlington",
"Portland"
] | 1 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the Southeast | Richmond is the capital of Virginia. | |||
Which material is this handsaw made of? | [
"wood",
"wool"
] | 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 handsaw.
The handsaw is made of two different materials. The handle is made of wood. The rest of the saw is made of metal. | ||
Complete the sentence.
Pollination is what happens when (). | [
"sperm fuses with an egg",
"pollen lands on a female cone"
] | 1 | Male cones make pollen. Wind can blow pollen from a male cone to a female cone. | closed choice | grade4 | natural science | biology | Plants | Describe and construct conifer life cycles | Conifers are plants that grow cones. Conifers use their cones to reproduce, or make new plants like themselves. How do conifers use their cones to reproduce?
Conifers can grow male and female cones. Male cones make pollen, and female cones make eggs. Pollination is what happens when wind blows pollen from male cones on... | When pollen lands on a female cone, it is called pollination. This photograph shows wind blowing pollen from the male cones on a Japanese cedar tree.
After a female cone is pollinated, its eggs can be fertilized. Fertilization is what happens when male cells from the pollen combine with eggs. | |
Is the following statement about our solar system true or false?
Of the four largest planets, three are made mainly of gas. | [
"true",
"false"
] | 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. | The table tells you that the four largest planets are Jupiter, Saturn, Uranus, and Neptune. Jupiter and Saturn are made mainly of gas. Uranus and Neptune are made mainly of ice. So, of the four largest planets, two are made mainly of gas. | |
Not supported with pagination yet | Which object has more thermal energy? | [
"a pot of spaghetti sauce at a temperature of 115°F",
"a pot of spaghetti sauce at a temperature of 105°F"
] | 0 | 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 move faster, the temperature goes up. The matter now has both ... | The two pots of spaghetti sauce have the same mass but different temperatures. Since the 115°F pot of spaghetti sauce is hotter than the 105°F pot of spaghetti sauce, it has more thermal energy. |
Is Acanthaster planci made up of many cells? | [
"yes",
"no"
] | 0 | This organism is Acanthaster planci. It is a member of the animal kingdom.
Acanthaster planci is commonly called a crown-of-thorns sea star. A crown-of-thorns sea star is covered in poisonous spines! The spines help protect it from predators. | yes or no | grade5 | natural science | biology | Classification | Describe, classify, and compare kingdoms | In the past, scientists classified living organisms into two groups: plants and animals. Over the past 300 years, scientists have discovered many more types of organisms. Today, many scientists classify organisms into six broad groups, called kingdoms.
Organisms in each kingdom have specific traits. The table below sho... | Acanthaster planci is an animal. Animals are made up of many cells. | |
What is the capital of Texas? | [
"Dallas",
"Austin",
"Hilo",
"Helena"
] | 1 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the Southeast | Austin is the capital of Texas. | |||
Not supported with pagination yet | Based on this information, what is this trout's phenotype for the body color trait? | [
"a greenish-brown body",
"a blue body"
] | 0 | In a group of rainbow trout, some individuals have a greenish-brown body and others have a blue body. In this group, the gene for the body color trait has two alleles. The allele for a blue body (b) is recessive to the allele for a greenish-brown body (B).
A certain rainbow trout from this group has the heterozygous ge... | closed choice | grade7 | 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 ... | You need to determine the rainbow trout's phenotype for the body color trait. First, consider the alleles in the trout's genotype for the body color gene. Then, decide whether these alleles are dominant or recessive.
The allele for a blue body (b) is recessive to the allele for a greenish-brown body (B). This means B i... |
Complete the statement.
Hydrogen is (). | [
"an elementary substance",
"a compound"
] | 0 | The model below represents a molecule of hydrogen. ydrogen gas was once used to make large airships, such as blimps, float. It is no longer used in airships because it catches fire easily. | closed choice | grade7 | natural science | chemistry | Atoms and molecules | Classify 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 ... | Use the model to determine whether hydrogen is an elementary substance or a compound.
Step 1: Interpret the model.
In the ball-and-stick model shown above, both of the balls are the same color:
. The legend shows that light gray represents the chemical element with the atomic symbol H. So, the model shows you that a mo... | |
Not supported with pagination yet | What do these two changes have in common?
a sidewalk heating up in the sun
water vapor condensing on a bathroom mirror | [
"Both are only physical changes.",
"Both are chemical changes.",
"Both are caused by cooling.",
"Both are caused by heating."
] | 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.
A sidewalk heating up in the sun is a physical change. The temperature of the sidewalk goes up, but the sidewalk is still made of the same type of matter.
Water vapor condensing on a bathroom mirror is a change of state. So, it is a physical change. The water changes state from gas in t... | |
Which rhetorical appeal is primarily used in this ad? | [
"pathos (emotion)",
"ethos (character)",
"logos (reason)"
] | 0 | closed choice | grade12 | 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 the writer or speaker as trustworthy, authoritative, or sharing important values with the audience. An ad that appe... | The ad appeals to pathos, or emotion, by evoking pity and compassion. | ||
Not supported with pagination yet | Does the sentence use a simile or a metaphor?
Pete swam with ease across the swimming pool, like a dolphin. | [
"simile",
"metaphor"
] | 0 | 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... | Pete swam with ease across the swimming pool, like a dolphin.
The words Pete and dolphin are compared using the word like. So, the sentence uses a simile. | |
Not supported with pagination yet | What does this Works Cited entry indicate about the cited work?
Lee, Menelik, and Nicholas Kenney. "Pregnancy Following Endometrial Ablation Resulting in Subtotal Hysterectomy under Spinal Anaesthesia – A Case Report." Medical Case Studies 4.2 (2013): 13–14. Web. 14 Sept. 2014. | [
"It is a newspaper article.",
"It is a web page.",
"It is a journal article."
] | 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:
Lee, Menelik, and Nicholas Kenney. "Pregnancy Following Endometrial Ablation Resulting in Subtotal Hysterectomy under Spinal Anaesthesia – A Case Report." Medical Case Studies 4.2 (2013): 13–14. Web. 14 Sept. 2014.
You can tell that the cited work is a journal article because of t... | |
Which country is highlighted? | [
"the Federated States of Micronesia",
"the Marshall Islands",
"Tonga",
"Kiribati"
] | 1 | closed choice | grade7 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is the Marshall Islands.
Does the Marshall Islands have any territorial disputes?
The Marshall Islands claims to own Wake Island, which is a disputed territory. In other words, multiple countries or groups claim that the area rightfully belongs to them.
The United States claimed Wake Island in 1899 and has... | |||
What is the capital of Missouri? | [
"Bismarck",
"Lincoln",
"Kansas City",
"Jefferson City"
] | 3 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Midwest | Jefferson City is the capital of Missouri. | |||
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 | 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. | |
Identify the question that Elena's experiment can best answer. | [
"Does linen fabric turn darker than cotton fabric when soaked in a mixture of black dye and water?",
"Does fabric turn darker when soaked in a mixture of black dye and water for 15 minutes compared to 30 minutes?"
] | 0 | The passage below describes an experiment. Read the passage and then follow the instructions below.
Elena prepared ten buckets, each with one gallon of boiling water and three tablespoons of black fabric dye. Elena soaked white linen fabric squares in five of the buckets, and white cotton fabric squares in the other f... | 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... | ||
Not supported with pagination yet | Which logical fallacy is used in the text?
Frankly, most science fiction is poorly written. I read a science fiction novel once, and it was garbage, so I've avoided the genre ever since. | [
"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 | grade9 | 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 science fiction is of poor quality because one science fiction novel was poorly written. However, one novel does not necessarily reflect the whole genre. This illustrates a type of logical fallacy known as a hasty generalization. | |
Which of the following could Max's test show? | [
"the amount of sunlight the roof would get throughout the year",
"which side of the roof got more sun over one day",
"how many solar panels could fit on each side of the roof"
] | 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 | 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 | Which figure of speech is used in this text?
I've heard that Kinsley & Co. is downsizing, so I'm happy to see that their store in downtown Greenville will remain open for now. | [
"hyperbole",
"euphemism"
] | 1 | closed choice | grade10 | language science | figurative-language | Literary devices | Classify figures 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 a euphemism, a polite or indirect expression that is used to de-emphasize an unpleasant topic.
Downsizing is an indirect way of saying that the company is planning on firing employees, closing shops or branches, and/or reducing its budget. | |
Which country is highlighted? | [
"Kiribati",
"the Marshall Islands",
"Vanuatu",
"Nauru"
] | 3 | closed choice | grade8 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Nauru. | |||
Is gypsum a mineral or a rock? | [
"rock",
"mineral"
] | 1 | Gypsum has the following properties:
found in nature
fixed crystal structure
solid
not made by living things
non-metallic luster
pure substance | 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... | Gypsum has all the properties of a mineral. So, gypsum is a mineral. | |
Not supported with pagination yet | Which greeting is correct for a letter? | [
"Dear Mrs. Wong,",
"Dear Mrs. wong,"
] | 0 | closed choice | grade2 | language science | capitalization | Capitalization | 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 greeting is correct:
Its first word is capitalized, and it ends with a comma. Mrs. Wong is capitalized because it is a proper noun. | |
Not supported with pagination yet | Which water balloon has less thermal energy? | [
"the colder water balloon",
"the hotter water balloon"
] | 0 | Two water balloons are identical except for their temperatures. | closed choice | grade6 | natural science | physics | Thermal energy | How are temperature and mass related to thermal energy? | Matter is made of tiny particles called atoms. Atoms are always moving.
The energy of moving atoms is called thermal energy. The total amount of thermal energy in matter depends on three things: the type of matter, the amount of matter, and how fast the atoms are moving.
Temperature measures how hot or cold matter is. ... | The two water balloons are made of the same material and have the same mass. So, the colder water balloon has less thermal energy. |
Not supported with pagination yet | What is the mass of a can of soup? | [
"500 kilograms",
"500 grams"
] | 1 | Select the better estimate. | closed choice | grade5 | 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 can of soup is 500 grams.
500 kilograms is too heavy. |
Not supported with pagination yet | What is the source of the allusion in the sentence below?
When I learned the details of Cara's Faustian bargain, I was in disbelief. | [
"history",
"literature"
] | 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 Faustian bargain is literature.
In a play by Christopher Marlowe based on the legend of Faust, a man strikes a deal with the devil. Disregarding the long-term consequences of his actions, he sells his soul in exchange for power.
The allusion Faustian bargain means a compromise of one's values... | |
Not supported with pagination yet | Which tense does the sentence use?
Mom will pitch the ball to Javier. | [
"past tense",
"future tense",
"present tense"
] | 1 | 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 future tense. You can tell because it uses will before the main verb, pitch. The verb tells you about something that is going to happen. | |
Does this passage describe the weather or the climate? | [
"weather",
"climate"
] | 1 | Figure: Budapest.
The Danube River flows through the city of Budapest. The winds there normally blow from the northwest.
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 | Weather and climate around the world | 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 passage carefully.
The Danube River flows through the city of Budapest. The winds there normally blow from the northwest.
The underlined part of the passage tells you about the usual wind patterns in Budapest. This passage does not describe what the weather is like on a particular day. So, this passage describ... | |
Which property do these three objects have in common? | [
"blue",
"smooth",
"flexible"
] | 1 | Select the best answer. | closed choice | grade4 | 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.
A flexible object can be folded or bent without breaking easily. The silk tie is flexible, but the glass bottle is not.
A smooth object is not scratchy or rough. All three objects are smooth.
Blue is a color.
This color is blue. The silk tie is blue,... | |
Is a crayon a solid, a liquid, or a gas? | [
"a liquid",
"a gas",
"a solid"
] | 2 | 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 crayon is a solid. You can break a crayon into pieces. But each piece will still have a size and shape of its own. | ||
Not supported with pagination yet | Which logical fallacy is used in the text?
I can't believe you'd hire Jacob Blair to watch your dog! Did you know that his friend adopted a dog but then took it back to the shelter after just one week? | [
"guilt by association: a negative association intended to discredit someone or something",
"hasty generalization: a very broad claim based on very little evidence"
] | 0 | closed choice | grade8 | 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 Jacob must be an irresponsible dog owner, because his friend was an irresponsible dog owner. However, even though Jacob's friend was irresponsible, that doesn't necessarily mean that Jacob is also irresponsible. This illustrates a type of logical fallacy known as guilt by association. | |
Which of the following could Jerry's test show? | [
"if the weather station would work when the temperature was 50°C",
"how well the weather station would work when it was windy"
] | 0 | 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 | grade6 | 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 kind of sentence is this?
Mr. Hickman gave a lecture on water conservation, during which he stressed the importance of not watering lawns during a drought. | [
"exclamatory",
"interrogative",
"declarative"
] | 2 | closed choice | grade7 | 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, and it always ends with a period.
The nurse told Mr. Abrams to roll up his sleeve so that she could check his blood pressure.
An interrogative sentence is a question, and it always ends with a question mark.
Do you have any plans for the upcoming... | The sentence tells about something, and it ends with a period. It is a declarative sentence. | |
Not supported with pagination yet | Read the following excerpt from a student essay. How can the writer best improve his or her word choice?
Skiing is the most exhilarating sport in the world. I learned to ski when I was three years old and started to ski competitively when I was nine. The beginning of a ski race is the most tense. I hear the sound of th... | [
"by including more figurative language",
"by using words with more appropriate connotations",
"by fixing misused words"
] | 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 word choice by including more figurative language.
For example, the writer could make the writing more vivid and engaging by replacing the underlined phrases with these figurative expressions: buzzes with intensity, the thud of, feel the wind like a smack in the face, flying dow... | |
Does this passage describe the weather or the climate? | [
"climate",
"weather"
] | 0 | Figure: Madagascar.
Madagascar is a country in Africa. The temperature is usually warm throughout the year.
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 | Weather and climate around the world | 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 passage carefully.
Madagascar is a country in Africa. The temperature is usually warm throughout the year.
The underlined part of the passage tells you about the usual temperature pattern in Madagascar. This passage does not describe what the weather is like on a particular day. So, this passage describes the ... | |
Which statement describes the Peary Land ecosystem? | [
"It has dry, thin soil that is rich in nutrients.",
"It has many evergreen trees.",
"It has long, cold winters and short, cold summers."
] | 2 | Figure: Peary Land.
Peary Land is a tundra ecosystem in northern Greenland. It is part of Northeast Greenland National Park. That park is one of the largest national parks in the world, covering about 375,000 square miles. | closed choice | grade6 | natural science | biology | Ecosystems | Describe ecosystems | An environment includes all of the biotic, or living, and abiotic, or nonliving, things in an area. An ecosystem is created by the relationships that form among the biotic and abiotic parts of an environment.
There are many different types of terrestrial, or land-based, ecosystems. Here are some ways in which terrestri... | A tundra is a type of ecosystem. Tundras have the following features: long, cold winters and short, cold summers, soil that is frozen year-round, and mostly small plants. So, the following statement describes the Peary Land ecosystem: long, cold winters and short, cold summers, soil that is frozen year-round, and mostl... | |
Not supported with pagination yet | What is the source of the allusion in the sentence below?
Bryce picked up his pace on the trail as his spidey sense began to tingle. | [
"a comic book",
"a song"
] | 0 | closed choice | grade10 | 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 spidey sense is a comic book.
The comic book superhero Spider-Man possesses a spidey sense that warns him of impending trouble.
The allusion spidey sense means a sense of danger coming. | |
Which ocean is highlighted? | [
"the Arctic Ocean",
"the Atlantic Ocean",
"the Pacific Ocean",
"the Indian 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 Atlantic Ocean. | ||
Not supported with pagination yet | Which is a simple sentence? | [
"The baseball player swings wildly at the baseball.",
"The campers quietly watched the animals, but the shy deer ran away."
] | 0 | closed choice | grade3 | 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 simple sentence. It has one subject and predicate.
The baseball player swings wildly at the baseball. | |
Which continent is highlighted? | [
"Australia",
"Asia",
"Antarctica",
"North America"
] | 2 | 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 Antarctica. | ||
Select the organism in the same genus as the Canada lynx. | [
"Felis catus",
"Lontra canadensis",
"Lynx rufus"
] | 2 | This organism is a Canada lynx. Its scientific name is Lynx canadensis. | closed choice | grade6 | 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 Canada lynx's scientific name is Lynx canadensis. The first word of its scientific name is Lynx.
Lynx rufus is in the genus Lynx. The first word of its scientific name is Lynx. So, Lynx rufus and Lynx canadensis are in the same genus.
Lontra canadensis and Lynx canadensis are not in the same genus.
These organisms ar... | |
Not supported with pagination yet | Suppose Neil decides to watch the comedy. Which result would be a cost? | [
"Neil will get to watch the movie that he is more excited about.",
"Neil will give up the chance to watch a movie with his sister."
] | 1 | Neil is deciding whether to watch a comedy or an action movie. He would prefer to watch a comedy. But he also wants to watch a movie with his sister. Neil's sister will only watch an action movie. | 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 Neil wants or needs:
Neil will give up the chance to watch a movie with his sister. |
Is Daucus carota made up of one cell? | [
"no",
"yes"
] | 0 | This organism is Daucus carota. It is a member of the plant kingdom.
Daucus carota is commonly called a carrot plant. The stem and leaves of the carrot plant are green and grow above ground. The root is often orange and grows underground. When people say they eat carrots, they usually mean the root of the carrot plant! | yes or no | grade4 | natural science | biology | Classification | Describe, classify, and compare kingdoms | In the past, scientists classified living organisms into two groups: plants and animals. Over the past 300 years, scientists have discovered many more types of organisms. Today, many scientists classify organisms into six broad groups, called kingdoms.
Organisms in each kingdom have specific traits. The table below sho... | Daucus carota is a plant. Plants are made up of many cells. | |
During this time, thermal energy was transferred from () to (). | [
"each pizza . . . the surroundings",
"the surroundings . . . each pizza"
] | 0 | Harper was delivering two identical pizzas to a customer. While driving to the customer's house, Harper put one of the pizza boxes on top of the other one. This table shows how the temperature of each pizza changed over 15minutes. | 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 pizza decreased, which means that the thermal energy of each pizza decreased. So, thermal energy was transferred from each pizza to the surroundings. | |
Look at the models of molecules below. Select the elementary substance. | [
"chloromethanol",
"propane",
"iodine"
] | 2 | 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 | What do these two changes have in common?
a copper statue turning green
a log decomposing in the woods | [
"Both are only physical changes.",
"Both are chemical changes.",
"Both are caused by heating.",
"Both are caused by cooling."
] | 1 | closed choice | grade8 | 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.
A copper statue turning green is a chemical change. The copper reacts with oxygen in the air. This reaction forms a different type of matter called copper oxide. The copper oxide is green.
The breakdown of plant and animal matter by organisms such as fungi and earthworms is called decom... | |
Based on the event chain, which event happens right after the railroad owners buy a steam-powered machine? | [
"John Henry challenges the machine to a contest.",
"John Henry gets sick."
] | 0 | This event chain shows the main events from the legend of John Henry. | closed choice | grade5 | language science | writing-strategies | Visual elements | Read graphic organizers | A graphic organizer is a chart or picture that shows how ideas, facts, or topics are related to one another.
When you read, look for graphic organizers included in the text. You can use these images to find key information. You can also create your own graphic organizers with information that you've read. Doing this ca... | An event chain uses arrows to show the order of events. This event chain shows the main events from the legend of John Henry.
Follow the arrows to see the order of events. An arrow points from Railroad owners buy a steam-powered machine that helps build railroads to John Henry, a railroad worker, challenges the machine... | |
Not supported with pagination yet | Which tense does the sentence use?
Mr. Livingston will deliver the envelope to Rob. | [
"future tense",
"past tense",
"present 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 future tense. You can tell because it uses will before the main verb, deliver. The verb tells you about something that is going to happen. | |
Which country is highlighted? | [
"Saint Vincent and the Grenadines",
"Saint Lucia",
"Barbados",
"Saint Kitts and Nevis"
] | 2 | closed choice | grade6 | social science | geography | The Americas: geography | Identify and select countries of the Caribbean | This country is Barbados. | |||
What is the capital of Georgia? | [
"Athens",
"Atlanta",
"Raleigh",
"Louisville"
] | 1 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the Southeast | Atlanta is the capital of Georgia. | |||
Which country is highlighted? | [
"Grenada",
"Dominica",
"Saint Vincent and the Grenadines",
"Cuba"
] | 0 | closed choice | grade7 | social science | geography | The Americas: geography | Identify and select countries of the Caribbean | This country is Grenada. | |||
Not supported with pagination yet | Is the following trait inherited or acquired?
Cora has naturally pale skin. | [
"acquired",
"inherited"
] | 1 | Hint: Humans are born with their skin color. | 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... | Humans do not choose their skin color. Babies get their skin color from their parents. So, Cora's skin color is an inherited trait. |
Which solution has a higher concentration of yellow particles? | [
"neither; their concentrations are the same",
"Solution A",
"Solution B"
] | 0 | The diagram below is a model of two solutions. Each yellow 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 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... | |
What is the capital of Oregon? | [
"Portland",
"Helena",
"Carson City",
"Salem"
] | 3 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the West | Salem is the capital of Oregon. | |||
Not supported with pagination yet | Compare the motion of three speedboats. Which speedboat was moving at the lowest speed? | [
"a speedboat that moved 290miles east in 10hours",
"a speedboat that moved 460miles west in 10hours",
"a speedboat that moved 645miles north in 10hours"
] | 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 speedboat moved and the time it took to move that distance. The direction each speedboat moved does not affect its speed.
Notice that each speedboat moved for 10 hours. The speedboat that moved 290 miles moved the shortest distance in that time. So, that speedboat must have moved at the lowest... | |
What is the capital of Vermont? | [
"Montpelier",
"Burlington",
"Salem",
"Boston"
] | 0 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the Northeast | Montpelier is the capital of Vermont. | |||
Select the fish below. | [
"coral snake",
"cardinalfish"
] | 1 | Fish live underwater. They have fins, not limbs. A manta ray is an example of a fish. | 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 cardinalfish is a fish. It lives underwater. It has fins, not limbs.
Cardinalfish often live near coral reefs. They are nocturnal, which means that they are active mostly at night.
A coral snake is a reptile. It has scaly, waterproof skin.
Coral snakes spend most of their time underground or hiding under leaves. | |
What type of rock is pumice? | [
"igneous",
"metamorphic"
] | 0 | Pumice is a type of rock. It forms from melted rock. Pumice can form when melted rock traps water and gas bubbles while cooling. | closed choice | grade3 | natural science | earth-science | Rocks and minerals | Classify rocks as igneous, sedimentary, or metamorphic | Igneous rock is formed when melted rock cools and hardens into solid rock. This type of change can occur at Earth's surface or below it.
Sedimentary rock is formed when layers of sediment are pressed together to make rock. This type of change occurs below Earth's surface.
Metamorphic rock is formed when a rock is chang... | Pumice is an igneous rock. Like other igneous rocks, it forms when melted rock cools and hardens.
Melted rock is a hot, thick liquid. As melted rock cools, solid mineral grains begin to form. When the melted rock becomes solid, it forms igneous rock. The word igneous comes from the Latin word ignis, which means fire. | |
Which animal's skin is better adapted as a warning sign to ward off predators? | [
"Spanish shawl nudibranch",
"lichen katydid"
] | 0 | Lionfish can release venom from the spines on their brightly colored bodies. The bright colors serve as a warning sign that the animal is venomous. The 's skin is adapted to ward off predators.
Figure: lionfish. | closed choice | grade4 | 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 lionfish.
The lionfish has venomous spines and brightly colored skin. Its skin is adapted to ward off predators. The bright colors serve as a warning sign that the lionfish is venomous.
Now look at each animal. Figure out which animal has a similar adaptation.
The Spanish shawl nudibranch has... | |
Select the chemical formula for this molecule. | [
"H2O",
"HO",
"CH2O",
"H2"
] | 0 | closed choice | grade5 | natural science | chemistry | Atoms and molecules | Match chemical formulas to ball-and-stick models | Every substance around you is made up of atoms. Atoms can link together to form molecules. The links between atoms in a molecule are called chemical bonds. Different molecules are made up of different chemical elements, or types of atoms, bonded together.
Scientists use both ball-and-stick models and chemical formulas ... | H is the symbol for hydrogen. O is the symbol for oxygen. This ball-and-stick model shows a molecule with two hydrogen atoms and one oxygen atom.
The chemical formula will contain the symbols H and O. There are two hydrogen atoms, so H will have a subscript of 2. There is one oxygen atom, so O will not have a subscript... | ||
Not supported with pagination yet | What is the source of the allusion in the sentence below?
Kimi had her fifteen minutes when her video of kayaking with dolphins went viral. | [
"modern history",
"a song"
] | 0 | closed choice | grade7 | 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 fifteen minutes is modern history.
In a catalog that accompanied an exhibit of his work, pop artist Andy Warhol said, "In the future, everybody will be world-famous for fifteen minutes," meaning that fame would be briefly available even to those who did nothing spectacular.
The allusion fifte... | |
Not supported with pagination yet | Compare the motion of two speed walkers. Which speed walker was moving at a lower speed? | [
"a speed walker who moved 70kilometers in 10hours",
"a speed walker who moved 75kilometers in 10hours"
] | 0 | closed choice | grade2 | 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 kilometer.
Time tells you how long the object has spent moving. One unit used to measure time is the hour.
Think about two objects... | Look at the distance each speed walker moved and the time it took to move that distance.
One speed walker moved 70 kilometers in 10 hours.
The other speed walker moved 75 kilometers in 10 hours.
Notice that each speed walker spent the same amount of time moving. The speed walker who moved 70 kilometers moved a shorter ... | |
What is the capital of Arizona? | [
"Phoenix",
"Tucson",
"Olympia",
"Fort Wayne"
] | 0 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the West | Phoenix is the capital of Arizona. | |||
Which is this organism's scientific name? | [
"common snapping turtle",
"Chelydra serpentina"
] | 1 | This organism is a common snapping turtle. It is also called Chelydra serpentina. | closed choice | grade7 | natural science | biology | Classification and scientific names | Identify common and scientific names | An organism's common name is the name that people normally call the organism. Common names often contain words you know.
An organism's scientific name is the name scientists use to identify the organism. Scientific names often contain words that are not used in everyday English.
Scientific names are written in italics,... | Chelydra serpentina is written in italics. The first word is capitalized, and the second word is not.
So, Chelydra serpentina is the scientific name. | |
Not supported with pagination yet | Which text uses the word peruse in its traditional sense? | [
"Greg perused a catalog from his wife's favorite clothing store, searching for the perfect birthday gift.",
"Greg perused a clothing catalog as he waited for his appointment, flipping through the pages distractedly."
] | 0 | closed choice | grade11 | 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 peruse in its traditional sense: to examine in detail.
Greg perused a catalog from his wife's favorite clothing store, searching for the perfect birthday gift.
The second text uses peruse in its nontraditional sense: to look through in a casual manner.
Greg perused a clothing catalog as he waited fo... | |
Not supported with pagination yet | Which sentence states a fact? | [
"Serena Williams was too young when she started playing tennis.",
"Serena Williams began playing tennis when she was four years old."
] | 1 | 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 second sentence states a fact.
Serena Williams began playing tennis when she was four years old.
It can be proved by reading a book or an article about Serena Williams.
The first sentence states an opinion.
Serena Williams was too young when she started playing tennis.
Too young shows what a person believes, thinks... | |
Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | [
"sample A",
"neither; the samples have the same temperature",
"sample B"
] | 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 | 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 sample A has more mass than each particle in sample B. The particles in sample A also 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 ... | |
Not supported with pagination yet | Complete the sentence so that it uses personification.
Even through my heavy parka, I could still feel the icy () of winter. | [
"weather",
"fingers"
] | 1 | closed choice | grade10 | language science | writing-strategies | Creative techniques | Use personification | Personification is giving human characteristics to nonhuman things. It is a figure of speech that can be used to make writing more interesting or to emphasize a point.
The trees danced in the wind.
The word danced describes the trees as if they were people. Unlike people, however, trees can't actually dance. Instead, t... | Complete the sentence with the word fingers. It describes winter as if it were a person with fingers. | |
Which animal's feet are also adapted to walk on snow and ice? | [
"Eurasian lynx",
"tokay gecko"
] | 0 | Polar bears live in cold, snowy areas near the Arctic Ocean. The 's feet are adapted for walking on snow and ice.
Figure: polar bear. | 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.
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 polar bear.
The polar bear has furry feet with large pads. Its feet are adapted to walk on snow and ice. The fur can help keep the polar bear's feet warm. The large pads help spread its weight over a larger area. This allows it to walk on ice without slipping and to walk on snow without sinki... | |
Not supported with pagination yet | How long is a hammer? | [
"20 millimeters",
"20 centimeters",
"20 kilometers",
"20 meters"
] | 1 | Select the best estimate. | closed choice | grade7 | natural science | units-and-measurement | Units and measurement | Choose metric 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 metric units, length can be written with units of millimeters, centimeters, meters, or kilometers. One meter contains 100 centimeters or 1,000 millimeters. So, 1 meter is lar... | The best estimate for the length of a hammer is 20 centimeters.
20 millimeters is too short. 20 meters and 20 kilometers are too long. |
Which material is this shovel made of? | [
"ceramic",
"metal"
] | 1 | 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 shovel.
The shovel is made of two different materials. The handle is made of wood, and the head is made of metal.
Metal is a tough material. It does not break easily. This makes metal a good material for the head of a shovel. You don't want your shovel to break if you hit a rock while you're ... | ||
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"
] | 1 | 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 | grade8 | 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 8 solute particles on the left side of the membrane and 2 solute particles on the right side of the membrane.
When the solute particles reached equilibrium, there... | |
Not supported with pagination yet | Two paper towels have the same temperature but different masses. Which towel has more thermal energy? | [
"the paper towel with less mass",
"the paper towel with more mass"
] | 1 | The objects are made of the same type of matter. | closed choice | grade6 | natural science | physics | Thermal energy | How are temperature and mass related to thermal energy? | Matter is made of tiny particles called atoms. Atoms are always moving.
The energy of moving atoms is called thermal energy. The total amount of thermal energy in matter depends on three things: the type of matter, the amount of matter, and how fast the atoms are moving.
Temperature measures how hot or cold matter is. ... | The two paper towels have the same temperature and are made of the same type of matter. So, the paper towel with more mass has more thermal energy. |
Not supported with pagination yet | Which figure of speech is used in this text?
The inmates of my cottage, all at rest,
Have left me to that solitude, which suits
Abstruser musings. . .
—Samuel Taylor Coleridge, "Frost at Midnight" | [
"apostrophe",
"assonance"
] | 1 | closed choice | grade11 | language science | figurative-language | Literary devices | Classify the figure of speech: anaphora, antithesis, apostrophe, assonance, chiasmus, understatement | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Anaphora is the repetition of the same word or words at the beginning of several phrases or clauses.
We are united. We are powerful. We are winners.
Antithesis involves contrasting opposing id... | The text uses assonance, the repetition of a vowel sound in a series of nearby words.
The words solitude, suits, abstruser, and musings share a vowel sound. | |
What is the name of the colony shown? | [
"Maryland",
"Georgia",
"West Virginia",
"Maine"
] | 1 | closed choice | grade4 | social science | us-history | English colonies in North America | Identify the Thirteen Colonies | The colony is Georgia. | |||
Not supported with pagination yet | What is the source of the allusion in the sentence below?
Jacob got off the mountain by the skin of his teeth. | [
"U.S. history",
"the Bible"
] | 1 | 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 by the skin of his teeth is the Bible.
In the Bible, Job complains to God about his hardships, saying that both strangers and those he loves have turned against him. He says, "My bone cleaveth to my skin and to my flesh, and I am escaped with the skin of my teeth." Scholars have long debated ... | |
Not supported with pagination yet | Suppose Shelby decides to eat the sugar cookies. Which result would be a cost? | [
"Shelby will get to eat the sugar cookies. Shelby thinks sugar cookies will taste better than grapes would have.",
"Shelby will give up the chance to eat the grapes. The grapes would have been healthier than the sugar cookies."
] | 1 | Shelby is deciding whether to eat grapes or sugar cookies for an afternoon snack. She would like to eat something tasty, but she is also trying to be healthier. | 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 Shelby wants or needs:
Shelby will give up the chance to eat the grapes. The grapes would have been healthier than the sugar cookies. |
Which animal's mouth is also adapted for gnawing? | [
"brown rat",
"silky anteater"
] | 0 | s spend most of their life underground. They feed on plant roots and bulbs. Mole rats eat by biting off small pieces at a time, or gnawing. The mole rat's mouth is adapted for gnawing.
Figure: Podolsk mole rat. | 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 Podolsk mole rat.
The Podolsk mole rat has large front teeth. Its mouth is adapted for gnawing. The large front teeth can help the Podolsk mole rat break off pieces of food that it can swallow.
Now look at each animal. Figure out which animal has a similar adaptation.
The brown rat has large ... | |
What is the capital of Washington? | [
"Seattle",
"Olympia",
"Cheyenne",
"Spokane"
] | 1 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the West | Olympia is the capital of Washington. | |||
Which property do these two objects have in common? | [
"hard",
"bendable"
] | 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 bendable object can be bent without breaking. Both objects are bendable.
A hard object keeps its shape when you squeeze it. The rubber gloves are not hard.
The property that both objects have in common is bendable. | |
Not supported with pagination yet | Which banana has less thermal energy? | [
"the hotter banana",
"the colder banana"
] | 1 | Two bananas are identical except for their temperatures. | closed choice | grade6 | natural science | physics | Thermal energy | How are temperature and mass related to thermal energy? | Matter is made of tiny particles called atoms. Atoms are always moving.
The energy of moving atoms is called thermal energy. The total amount of thermal energy in matter depends on three things: the type of matter, the amount of matter, and how fast the atoms are moving.
Temperature measures how hot or cold matter is. ... | The two bananas are made of the same material and have the same mass. So, the colder banana has less thermal energy. |
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.