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Not supported with pagination yet | What does the Ninth Amendment say about rights that are not listed in the Constitution? | [
"People have rights other than the ones listed in the Constitution.",
"People do not have any rights except the ones listed in the Constitution."
] | 0 | closed choice | grade4 | social science | civics | Government | The Bill of Rights | The Ninth Amendment says that people have rights other than the ones listed in the Constitution. The amendment says that even if the Constitution doesn't list a right, the right might still exist. The Bill of Rights lists some rights. But it is not meant to be a complete list of all rights. The full text of the Ninth A... | ||
What can Nick and Gwen trade to each get what they want? | [
"Nick can trade his tomatoes for Gwen's broccoli.",
"Nick can trade his tomatoes for Gwen's carrots.",
"Gwen can trade her broccoli for Nick's oranges.",
"Gwen can trade her almonds for Nick's tomatoes."
] | 0 | Trade happens when people agree to exchange goods and services. People give up something to get something else. Sometimes people barter, or directly exchange one good or service for another.
Nick and Gwen open their lunch boxes in the school cafeteria. Neither Nick nor Gwen 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.
Nick wants broccoli. Gwen 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. | ||
What can Rodrigo and Ayana trade to each get what they want? | [
"Rodrigo can trade his tomatoes for Ayana's carrots.",
"Rodrigo can trade his tomatoes for Ayana's broccoli.",
"Ayana can trade her almonds for Rodrigo's tomatoes.",
"Ayana can trade her broccoli for Rodrigo's oranges."
] | 1 | Trade happens when people agree to exchange goods and services. People give up something to get something else. Sometimes people barter, or directly exchange one good or service for another.
Rodrigo and Ayana open their lunch boxes in the school cafeteria. Neither Rodrigo nor Ayana got everything that they wanted. The ... | closed choice | grade7 | social science | economics | Basic economic principles | Trade and specialization | Look at the table and images.
Rodrigo wants broccoli. Ayana wants tomatoes. They can trade tomatoes for broccoli to both get what they want. Trading other things would not help both people get more items they want. | ||
Not supported with pagination yet | Based on this information, what is Gumdrop's phenotype for the fur color trait? | [
"ff",
"brown fur"
] | 1 | In a group of rabbits, some individuals have black fur and others have brown fur. In this group, the gene for the fur color trait has two alleles. The allele F is for black fur, and the allele f is for brown fur.
Gumdrop, a rabbit from this group, has brown fur. Gumdrop has two alleles for brown fur. | closed choice | grade6 | natural science | biology | Genes to traits | Genetics vocabulary: genotype and phenotype | All organisms have pieces of hereditary material called genes, which are passed from parents to offspring. Genes contain instructions for building the parts of an organism. An organism's genes affect its observable traits, including its appearance, its behavior, and which diseases it may have. Genes may have different ... | An organism's phenotype for a trait is its observable version of that trait. Gumdrop's observable version of the fur color trait is brown fur. So, Gumdrop's phenotype for the fur color trait is brown fur. |
Not supported with pagination yet | Complete the sentence.
Paul Revere played an important role in (). | [
"the American Revolution",
"the Mayflower voyage",
"the Civil War",
"World War II"
] | 0 | closed choice | grade3 | social science | us-history | Historical figures | Paul Revere | Paul Revere played an important role in the American Revolution. The American Revolution took place between 1765 and 1783.
Americans fought the revolution to win freedom from Great Britain. Men and women who fought for freedom from British rule were called Patriots. Paul Revere was one of the most famous Patriots. | ||
What type of rock is basalt? | [
"igneous",
"sedimentary"
] | 0 | Basalt is a type of rock. When melted rock cools at the earth's surface, it can form basalt. Basalt is made of small mineral grains. | 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... | Basalt 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. | |
Not supported with pagination yet | Suppose Paul decides to borrow the book from the library. Which result would be a cost? | [
"Paul will give up the chance to keep the book as long as he wants.",
"Paul will save some money by not buying the book."
] | 0 | Paul is deciding whether to buy a copy of a book or borrow it from the library. He would like to be able to keep the book as long as he wants, but buying the book would cost money. He could borrow the book for free, but he would have to return it in a few weeks. | 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 Paul wants or needs:
Paul will give up the chance to keep the book as long as he wants. |
Not supported with pagination yet | Select the solid. | [
"crown",
"wet paint",
"water in a fishbowl"
] | 0 | closed choice | grade2 | natural science | physics | States of matter | Identify solids, liquids, and gases | Solid, liquid, and gas are states of matter. Matter is anything that takes up space. Matter can come in different states, or forms.
When matter is a solid, it has a shape of its own.
Some solids can be bent or broken easily. Others are hard to bend or break.
A glass cup is a solid. A sock is also a solid.
When matter i... | Wet paint is a liquid. A liquid takes the shape of any container it is in. If you pour wet paint out of a can, the paint will change shape. But the wet paint will still take up the same amount of space.
The water in a fishbowl is a liquid. A liquid takes the shape of any container it is in. If you pour water from a fis... | |
Not supported with pagination yet | Which is a compound sentence? | [
"My pen pal and I have corresponded with each other for almost ten years, but we have never met in person.",
"According to many scholars, the 1798 publication of Lyrical Ballads by Samuel Taylor Coleridge and William Wordsworth began the romantic period in English literature."
] | 0 | closed choice | grade5 | language science | grammar | Sentences, fragments, and run-ons | Is the sentence simple, compound, or complex? | A clause is a group of words that contains both a subject and a predicate.
An independent clause is a complete thought. It can stand alone as a sentence. A dependent clause is not a complete thought. It cannot stand alone as a sentence.
the oranges on our tree are ripe
The clause can stand alone. It is independent.
aft... | The first sentence is the compound sentence. It is made up of two independent clauses joined by the coordinating conjunction but.
My pen pal and I have corresponded with each other for almost ten years, but we have never met in person. | |
As the girls pull on the rope, what is the direction of the opposing force? | [
"toward the girls",
"away from the girls"
] | 1 | The text below describes a pair of opposing forces. Opposing forces act on an object in opposite directions. Read the text. Then answer the question below.
A group of boys plays a game of tug-of-war with a group of girls. Think about two of the forces that act on the rope:
The girls pull toward themselves.
The boys pul... | closed choice | grade3 | natural science | physics | Force and motion | How do balanced and unbalanced forces affect motion? | A force is a push or a pull that acts on an object. Each force acts on an object in a certain direction. If two forces act on an object in opposite directions, they are called opposing forces. | Find the direction the girls pull on the rope.
A group of boys plays a game of tug-of-war with a group of girls. Think about two of the forces that act on the rope:
The girls pull toward themselves.
The boys pull away from the girls.
The text tells you that the girls pull toward themselves. The opposite direction is aw... | |
Not supported with pagination yet | What kind of sentence is this?
In the game today, Kiara hit a home run with bases loaded! | [
"exclamatory",
"interrogative",
"declarative"
] | 0 | closed choice | grade10 | 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 always ends with a period.
The nurse told Mr. Abrams to roll up his sleeve so that she could check his blood pressure.
An imperative sentence makes a request or a demand and usually ends with a period. If a demand shows strong feeling, it can ... | The sentence is a statement that shows strong feeling and ends with an exclamation point. It is an exclamatory sentence. | |
Not supported with pagination yet | Which greeting is correct for a letter? | [
"Dear Grandpa Gary,",
"Dear grandpa gary,"
] | 0 | closed choice | grade3 | 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 second greeting is correct:
Its first word is capitalized, and it ends with a comma. Grandpa Gary is capitalized because it is a proper noun. | |
What is the capital of Rhode Island? | [
"Manchester",
"Providence",
"Augusta",
"Newport"
] | 1 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Northeast | Providence is the capital of Rhode Island. | |||
Which is the main persuasive appeal used in this ad? | [
"pathos (emotion)",
"ethos (character)",
"logos (reason)"
] | 1 | 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 focuses on the brand's long history (the original) and on its values (all-natural). | ||
What is the capital of Idaho? | [
"Boise",
"Nampa",
"New Orleans",
"Fargo"
] | 0 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the West | Boise is the capital of Idaho. | |||
Which continent is highlighted? | [
"Antarctica",
"Africa",
"Asia",
"South America"
] | 1 | closed choice | grade5 | social science | geography | Oceans and continents | Identify 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 Africa. | ||
Not supported with pagination yet | Suppose Scarlett decides to borrow the book from the library. Which result would be a cost? | [
"Scarlett will give up the chance to keep the book as long as she wants.",
"Scarlett will save some money by not buying the book."
] | 0 | Scarlett is deciding whether to buy a copy of a book or borrow it from the library. She would like to be able to keep the book as long as she wants, but buying the book would cost money. She could borrow the book for free, but she would have to return it in a few weeks. | 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 Scarlett wants or needs:
Scarlett will give up the chance to keep the book as long as she wants. |
Not supported with pagination yet | Select the living thing. | [
"boxwood shrub",
"swing set",
"house",
"helicopter"
] | 0 | 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... | A boxwood shrub is a living thing.
Boxwood shrubs grow and respond to their environment. They need food and water. Boxwood shrubs are made up of many cells.
People cut bushes and shrubs into decorative shapes called topiaries. Topiaries can be cut to look like animals, patterns, or other designs.
A helicopter is not a ... | |
Identify the question that Jeremiah and Dominic's experiment can best answer. | [
"Do ping pong balls travel farther when launched from a 30° angle compared to a 45° angle?",
"Do ping pong balls stop rolling along the ground sooner after being launched from a 30° angle or a 45° angle?"
] | 0 | The passage below describes an experiment. Read the passage and then follow the instructions below.
Jeremiah placed a ping pong ball in a catapult, pulled the catapult's arm back to a 45° angle, and launched the ball. Then, Jeremiah launched another ping pong ball, this time pulling the catapult's arm back to a 30° an... | closed choice | grade7 | 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 | Choose the poem that uses repetition. | [
"The lonely bridge cuts dark across the marsh\nWhose long pools glow with the light\nOf a flaming summer sunset.\nAt this end limp bushes overhang,\nPalely reflected in the amber-colored water.",
"I see the tracks of the railroads of the earth;\nI see them welding State to State, city to city, through North Ameri... | 1 | From Walt Whitman, "Salut au Monde!" and adapted from J. R. Dos Passos, "The Bridge" | closed choice | grade4 | language science | reading-comprehension | Poetry elements | Identify elements of poetry | Poetry is a special kind of writing. It has many elements that make it different from ordinary writing. Knowing these elements can help you talk about poetry, understand it better, and enjoy it more.
A poem rhymes when it has a pattern of words that end in the same sound.
End rhyme is when the rhymes appear at the end ... | This poem uses repetition. It repeats words, phrases, or lines.
I see them in Asia and in Africa. |
Which i in row B? | [
"the grocery store",
"the police department",
"the park",
"the restaurant"
] | 2 | closed choice | grade3 | social science | geography | Geography | Use a letter-number grid | A grid is made up of lines of squares. They are organized in rows and columns. A grid can help you use a map.
A row is a line of squares that goes from side to side. Rows are marked with letters.
A column is a line of squares that goes up and down. Columns are marked with numbers. | The park is in row B. | ||
Not supported with pagination yet | Would you find the word balance on a dictionary page with the following guide words?
beetle - brand | [
"no",
"yes"
] | 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 balance is not between the guide words beetle - brand, it would not be found on that page. | |
What type of rock is calcarenite? | [
"sedimentary",
"igneous",
"metamorphic"
] | 0 | This is a piece of calcarenite. It is made up of sand-sized pieces of a rock called limestone.
Sometimes, limestone is eroded and then deposited in layers. When layers of limestone pieces build up, the lower layers can get pressed together into calcarenite. | closed choice | grade7 | 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, or compacted, to make rock. This type of change occurs below Earth's surface.
Metamorphic rock is formed when ... | Calcarenite is a sedimentary rock. Like other sedimentary rocks, it forms from layers of sediment.
Material that is eroded in nature is called sediment. Eroded limestone is a type of sediment. Pieces of eroded limestone can be deposited in layers. As the layers build up, the top layers press down on the bottom layers. ... | |
Not supported with pagination yet | Would you find the word troupe on a dictionary page with the following guide words?
thrust - town | [
"no",
"yes"
] | 0 | 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 troupe is not between the guide words thrust - town, it would not be found on that page. | |
What is the capital of Iowa? | [
"Des Moines",
"Madison",
"Bismarck",
"Saint Paul"
] | 0 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the Midwest | Des Moines is the capital of Iowa. | |||
Select the reptile below. | [
"box turtle",
"cane toad"
] | 0 | Reptiles have scaly, waterproof skin. Most reptiles live on land. A Galapagos giant tortoise is an example of a reptile. | 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 box turtle is a reptile. It has scaly, waterproof skin.
A cane toad is an amphibian. It has moist skin and begins its life in water. | |
Not supported with pagination yet | Which logical fallacy is used in the text?
Mr. Livingston argues that we need to do more to prevent workplace injuries and fatalities. I doubt that someone so socially awkward would know a thing about office safety. | [
"bandwagon fallacy: the assumption that the popular choice is automatically correct",
"ad hominem: a personal attack against one's opponent"
] | 1 | closed choice | grade6 | 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 being socially awkward determines knowledge of workplace safety. This is a personal attack that isn't relevant to Mr. Livingston's desire to prevent workplace injuries. This illustrates a type of logical fallacy known as ad hominem. | |
Which of the following could Tanner's test show? | [
"whether the filter was clogged",
"the amount of bacteria in the water before it was filtered",
"whether an inexpensive filter would become clogged more often"
] | 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 | grade8 | natural science | science-and-engineering-practices | Engineering practices | Evaluate tests of engineering-design solutions | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design. How can you determine what a test can show? You need to figure out what was tested and what was measured.
Imagine an engineer needs to design a... | ||
Not supported with pagination yet | Which closing is correct for a letter? | [
"love,\nGabe",
"Love,\nGabe"
] | 1 | closed choice | grade3 | 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 second closing is correct:
Its first word is capitalized, and it ends with a comma. | |
Not supported with pagination yet | What information supports the conclusion that Meg inherited this trait? | [
"Meg's hair is the same color as her brown eyes.",
"Meg's father has brown eyes. He passed this trait down to Meg."
] | 1 | Read the description of a trait.
Meg has brown eyes. | closed choice | grade5 | natural science | biology | Traits and heredity | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | |
Not supported with pagination yet | What is the source of the allusion in the sentence below?
When I learned the details of Paula's Faustian bargain, I was in disbelief. | [
"literature",
"Roman mythology"
] | 0 | 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 of the following contains a vague pronoun reference? | [
"Mr. Thornton wanted the new employees to fill out their intake forms, but he couldn't find the forms.",
"Mr. Thornton wanted the new employees to fill out their intake forms, but he couldn't find them."
] | 1 | closed choice | grade11 | 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 second answer choice contains a vague pronoun reference. The pronoun them could refer to the new employees or their intake forms.
The first answer choice shows a possible correction for the vague pronoun reference. Them has been replaced with the forms.
Mr. Thornton wanted the new employees to fill out their intake... | |
Not supported with pagination yet | Assume all other forces on Mackenzie are balanced. Which statement describes the forces on Mackenzie? | [
"The forces are unbalanced, so there is a net force on Mackenzie.",
"The forces are balanced, so there is no net force on Mackenzie."
] | 0 | Mackenzie is sitting on a roller coaster cart as it reaches the bottom of a big loop. Earth's gravity is pulling down on Mackenzie with a force of 600N. The seat of the cart is pushing up on Mackenzie with a force of 1,200N. | closed choice | grade8 | natural science | physics | Velocity, acceleration, and forces | Balanced and unbalanced forces | A force is a push or a pull that acts on an object. Every force has a direction and a magnitude, or strength. If two forces act on an object in opposite directions, the forces are called opposing forces.
When opposing forces have the same magnitude, they are balanced. If all the forces on an object are balanced, there ... | To determine if there is a net force on Mackenzie, look at the forces:
Earth's gravity is pulling Mackenzie down with a force of 600 N.
The seat of the cart is pushing Mackenzie up with a force of 1,200 N.
The forces are in opposite directions, and the forces have different magnitudes: 600 N and 1,200 N. This means tha... |
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The strength of the magnetic force is the same in both pairs.",
"The magnetic force is stronger in Pair 1.",
"The magnetic force is stronger in Pair 2."
] | 2 | 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. | closed choice | grade4 | natural science | physics | Magnets | Compare strengths 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 stronger the magnetic force between two magnets, the more strongly the magnets attract or repel each other.
You c... | Distance affects the strength of the magnetic force. When magnets are closer together, the magnetic force between them is stronger.
The magnets in Pair 2 are closer together than the magnets in Pair 1. So, the magnetic force is stronger in Pair 2 than in Pair 1. | |
Which property do these three objects have in common? | [
"opaque",
"scratchy",
"transparent"
] | 0 | Select the best answer. | closed choice | grade3 | natural science | physics | Materials | Compare properties of objects | An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells. Properties can also tell you how an object will behave when something happens to it.
Different objects can have properties in common. You can use these properties to put objects into groups. | Look at each object.
For each object, decide if it has that property.
You can see clearly through a transparent object. None of the objects are transparent.
A scratchy object is rough and itchy against your skin. None of the objects are scratchy.
An opaque object does not let light through. All three objects are opaque... | |
Not supported with pagination yet | Is this a run-on sentence?
The first car that Mr. Hickman bought is still the most precious in his collection it's a 1971 Chevrolet Chevelle. | [
"yes",
"no"
] | 0 | yes or no | grade12 | language science | writing-strategies | Sentences, fragments, and run-ons | Identify run-on sentences | A sentence is a group of words that expresses a complete thought.
The band I'm in has been rehearsing daily because we have a concert in two weeks.
A run-on sentence is formed when two sentences are run together, joined by just a comma or by no punctuation at all. If only a comma is used, the run-on is called a comma s... | This is a run-on sentence. It is formed from two sentences run together, joined without punctuation.
The first car that Mr. Hickman bought is still the most precious in his collection it's a 1971 Chevrolet Chevelle.
Here is one way to fix the run-on sentence:
The first car that Mr. Hickman bought is still the most prec... | |
Which of the following is a characteristic of tropical coral reefs? | [
"They are used by many different organisms.",
"They are usually found in the deep ocean.",
"They have many large rocks called corals."
] | 0 | A tropical coral reef is a type of ecosystem in the ocean. Tropical coral reefs are found in warm, shallow water near the equator. They have many large formations called corals. Corals may look like rocks or plants, but they are actually structures made up of living animals and can grow over time.
Corals provide shelte... | closed choice | grade7 | natural science | literacy-in-science | Conservation | Coral reef biodiversity and human uses: explore a problem | |||
What is the name of the colony shown? | [
"New Jersey",
"Ohio",
"Connecticut",
"Delaware"
] | 0 | closed choice | grade7 | social science | us-history | Colonial America | Identify the Thirteen Colonies | The colony is New Jersey. | |||
Which of these states is farthest west? | [
"Mississippi",
"Florida",
"Michigan",
"Montana"
] | 3 | closed choice | grade2 | social science | geography | Geography | Read a map: cardinal directions | Maps have four cardinal directions, or main directions. Those directions are north, south, east, and west.
A compass rose is a set of arrows that point to the cardinal directions. A compass rose usually shows only the first letter of each cardinal direction.
The north arrow points to the North Pole. On most maps, north... | To find the answer, look at the compass rose. Look at which way the west arrow is pointing. Montana is farthest west. | ||
Which month has the highest average precipitation in Santiago? | [
"March",
"October",
"June"
] | 2 | Use the graph to answer the question below. | closed choice | grade3 | natural science | earth-science | Weather and climate | Use climate data to make predictions | Scientists record climate data from places around the world. Precipitation, or rain and snow, is one type of climate data.
A bar graph can be used to show the average amount of precipitation each month. Months with taller bars have more precipitation on average. | To describe the average precipitation trends in Santiago, look at the graph.
Choice "Mar" is incorrect.
Choice "Jun" is incorrect.
Choice "Oct" is incorrect.
June has an average monthly precipitation of about 80 millimeters. This is higher than in any other month. So, June has the highest average precipitation. | |
Which country is highlighted? | [
"Vanuatu",
"Australia",
"New Zealand",
"Papua New Guinea"
] | 3 | closed choice | grade6 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Papua New Guinea.
Why does Papua New Guinea share its island with another country?
Papua New Guinea takes up the eastern half of the island of New Guinea. The western half is part of Indonesia, an Asian country.
Beginning in the 17 th century, several countries took control of different parts of the isl... | |||
Not supported with pagination yet | Which change better matches the sentence?
A river dries up after a few years of no rain. | [
"drought",
"flood"
] | 0 | closed choice | grade2 | natural science | earth-science | Earth events | Classify changes to Earth's surface | |||
Not supported with pagination yet | Using only these supplies, which question can Eliana investigate with an experiment? | [
"Do rocks skip more times when thrown across a river or across a pond?",
"Do small rocks or large rocks skip more times when thrown across the river?",
"Do round rocks or flat rocks skip more times when thrown across the river?"
] | 1 | Eliana likes to skip rocks at the river. She notices that some of the rocks she throws skip off the surface of the water many times, while others skip once and then sink. She wonders what factors affect how well rocks skip on the water. So, she decides to design an experiment. She has the following supplies available:
... | 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... | |
Not supported with pagination yet | Is painting a house a good or a service? | [
"a good",
"a service"
] | 1 | closed choice | grade3 | social science | economics | Basic economic principles | 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 painting a house is a good or a service, ask these questions:
Is painting a house something you can touch? No.
Is painting a house a job you might pay someone else to do? Yes.
So, painting a house is a service. | |
Not supported with pagination yet | Suppose Leroy decides to go as a ghost. Which result would be a cost? | [
"Leroy will spend some time and money to get the costume.",
"Leroy will get to wear the costume he is more excited about."
] | 0 | Leroy is deciding whether to go as a ghost or a superhero to a costume party. He would rather go as a ghost. But he already has a superhero costume. | 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 Leroy wants or needs:
Leroy will spend some time and money to get the costume. |
Not supported with pagination yet | Which tense does the sentence use?
Hannah and Alice will plant the seeds. | [
"future tense",
"present tense",
"past tense"
] | 0 | closed choice | grade2 | 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, plant. The verb tells you about something that is going to happen. | |
Select the organism in the same genus as the Ural owl. | [
"Falco peregrinus",
"Ardea goliath",
"Strix aluco"
] | 2 | This organism is a Ural owl. Its scientific name is Strix uralensis. | 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 Ural owl's scientific name is Strix uralensis. The first word of its scientific name is Strix.
Strix aluco is in the genus Strix. The first word of its scientific name is Strix. So, Strix aluco and Strix uralensis are in the same genus.
Ardea goliath is in the genus Ardea. The first word of its scientific name is Ard... | |
What is the probability that a budgerigar parakeet produced by this cross will be heterozygous for the body feather color gene? | [
"1/4",
"0/4",
"4/4",
"3/4",
"2/4"
] | 1 | In a group of budgerigar parakeets, some individuals have green body feathers and others have blue body feathers. In this group, the gene for the body feather color trait has two alleles. The allele for green body feathers (B) is dominant over the allele for blue body feathers (b).
This Punnett square shows a cross bet... | closed choice | grade8 | natural science | biology | Genes to traits | Use Punnett squares to calculate probabilities of offspring types | Offspring genotypes: homozygous or heterozygous?
How do you determine whether an organism is homozygous or heterozygous for a gene? Look at the alleles in the organism's genotype for that gene.
An organism with two identical alleles for a gene is homozygous for that gene.
If both alleles are dominant, the organism is h... | ||
Not supported with pagination yet | Which closing is correct for a letter? | [
"best wishes,\nJason",
"Best wishes,\nJason"
] | 1 | closed choice | grade3 | 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. | |
Which of these oceans does the prime meridian intersect? | [
"the Atlantic Ocean",
"the Pacific Ocean",
"the Indian Ocean"
] | 0 | closed choice | grade4 | social science | geography | Maps | Use lines of latitude and longitude | Lines of latitude and lines of longitude are imaginary lines drawn on some globes and maps. They can help you find places on globes and maps.
Lines of latitude show how far north or south a place is. We use units called degrees to describe how far a place is from the equator. The equator is the line located at 0° latit... | The prime meridian is the line at 0° longitude. It intersects the Atlantic Ocean. It does not intersect the Pacific Ocean or the Indian Ocean. | ||
Not supported with pagination yet | Select the animal. | [
"Redwood trees have small leaves.",
"Bald eagles walk and fly."
] | 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... | A redwood tree is a plant. It has small leaves.
Redwood trees have fuzzy reddish-brown bark. Their bark helps protect redwood trees from fires.
A bald eagle is an animal. It walks and flies.
Bald eagles live in trees near water. They eat mostly fish. | |
Not supported with pagination yet | What information supports the conclusion that Brooke acquired this trait? | [
"Brooke was not born knowing how to identify different bird calls. She had to learn this skill.",
"Brooke likes to photograph birds at the zoo."
] | 0 | Read the description of a trait.
Brooke is good at identifying birds from their calls. | closed choice | grade4 | natural science | biology | Traits and heredity | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | |
Not supported with pagination yet | What do these two changes have in common?
mixing lettuce and salad dressing
melting glass | [
"Both are only physical changes.",
"Both are caused by cooling.",
"Both are chemical changes.",
"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.
Mixing lettuce and salad dressing is a physical change. Together, the salad and dressing make a mixture. But making this mixture does not form a different type of matter.
Melting glass is a change of state. So, it is a physical change. The glass changes from solid to liquid. But a diffe... | |
Not supported with pagination yet | Which logical fallacy is used in the text?
President Zimmerman is an effective communicator, because he has a natural talent for speaking with people. | [
"circular reasoning: an argument that supports a claim with the claim itself",
"ad hominem: a personal attack against one's opponent"
] | 0 | 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 President Zimmerman is an effective communicator because he communicates well. However, the "evidence" is just a restatement of the claim itself. This illustrates a type of logical fallacy known as circular reasoning. | |
Which term matches the picture? | [
"vascular plant",
"nonvascular plant"
] | 0 | Read the text.
There are two main types of plants: vascular and nonvascular. Vascular plants have tubes in their stems that bring water and nutrients to different parts of the plant. These tubes allow vascular plants to grow to be much larger, on average, than nonvascular plants. Nonvascular plants don't have these tub... | closed choice | grade6 | language science | vocabulary | Context clues | Determine the meaning of domain-specific words with pictures | A vascular plant has tubes that carry water and nutrients throughout the plant. These tubes may allow vascular plants, like trees, to grow to be quite tall and survive farther from water sources than non-vascular plants. | ||
Not supported with pagination yet | What is the source of the allusion in the sentence below?
Bobby got off the mountain by the skin of his teeth. | [
"the Bible",
"a movie"
] | 0 | closed choice | grade11 | 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 | Select the one substance that is not a rock. | [
"Trachyte is a solid. It is not a pure substance.",
"A skull is made by a living thing. It is a solid.",
"Syenite is not made by living things. It is not a pure substance."
] | 1 | 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.
A skull is made by a living thing. But rocks are not made by living things.
So, a skull is not a rock.
Syenite is a rock.
Trachyte is a rock. | |
Not supported with pagination yet | Which tense does the sentence use?
Mom will pitch the ball to Mitchell. | [
"present tense",
"future tense",
"past tense"
] | 1 | closed choice | grade5 | language science | verbs | Verb tense | Is the sentence in the past, present, or future tense? | Present tense verbs tell you about something that is happening now.
Most present-tense verbs are regular. They have no ending, or they end in -s or -es.
Two verbs are irregular in the present tense, to be and to have. You must remember their forms.
Past tense verbs tell you about something that has already happened.
Mo... | The sentence is in 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. | |
Not supported with pagination yet | Which correctly shows the title of a song? | [
"\"a Bicycle built for Two\"",
"\"A Bicycle Built for Two\""
] | 1 | closed choice | grade3 | language science | capitalization | Formatting | Capitalizing titles | In a title, capitalize the first word, the last word, and every important word in between.
The Wind in the Willows James and the Giant Peach
These words are not important in titles:
Articles, a, an, the
Short prepositions, such as at, by, for, in, of, on, to, up
Coordinating conjunctions, such as and, but, or | Capitalize the first word, the last word, and every important word in between. The word for is not important, so it should not be capitalized.
The correct title is "A Bicycle Built for Two." | |
Select the organism in the same species as the green tree frog. | [
"Hyla cinerea",
"Hyla versicolor",
"Bufo bufo"
] | 0 | This organism is a green tree frog. Its scientific name is Hyla cinerea. | 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 green tree frog's scientific name is Hyla cinerea.
Hyla cinerea is in the same genus as Hyla versicolor, but they are not in the same species.
Organisms in the same species have the same scientific names. Hyla cinerea and Hyla versicolor are different species within the same genus.
Hyla cinerea has the same scientifi... | |
Not supported with pagination yet | What information supports the conclusion that Larry inherited this trait? | [
"Larry's biological parents have wavy hair.",
"Larry uses a headband to keep his wavy hair out of his face.",
"Larry's biological mother has long hair. Larry also has long hair."
] | 0 | Read the description of a trait.
Larry has wavy hair. | closed choice | grade8 | natural science | biology | Genes to traits | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down from biological parents to their offspring through genes. Genes are pieces of hereditary material that contain the instructions that affect inherited traits.... | |
Which rhetorical appeal is primarily used in this ad? | [
"logos (reason)",
"ethos (character)",
"pathos (emotion)"
] | 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 logos, or reason, by highlighting the specific nutrients that the dog food provides. | ||
Not supported with pagination yet | Which word does not rhyme? | [
"card",
"yarn",
"barn"
] | 0 | closed choice | grade2 | language science | phonological-awareness | Rhyming | Which word does not rhyme? | Rhyming words are words that end with the same sound.
The words tip and slip rhyme. They both end with the same sound.
The words meet and treat also rhyme. They both end with the same sound, even though the sound has two different spellings.
The words tip and meet don't rhyme. They end with different sounds. | The words yarn and barn rhyme. They both end with the arn sound.
The word card does not rhyme. It ends with a different sound. | |
Not supported with pagination yet | What does the personification in this text suggest?
Victor tried to ignore his unfinished essay, but it glared at him from across the room. | [
"The essay was printed in large type.",
"It bothered Victor that the essay wasn't finished."
] | 1 | closed choice | grade7 | language science | figurative-language | Literary devices | Interpret figures of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Personification is giving human characteristics to nonhuman things.
The trees danced in the wind. | The text uses personification, giving human characteristics to nonhuman things.
Glared at him suggests that it bothered Victor that the essay wasn't finished. The essay is like a person who is bothering Victor. | |
Not supported with pagination yet | What information supports the conclusion that Mike acquired this trait? | [
"Some scars fade more quickly than others.",
"Mike's scar was caused by an accident. He cut his arm when he fell off his bicycle."
] | 1 | Read the description of a trait.
Mike has a scar on his right arm. | 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... | |
Not supported with pagination yet | Which is a compound sentence? | [
"Every month the mayor gives a speech to the citizens.",
"Mr. Garza sent the email yesterday, but no one received it."
] | 1 | closed choice | grade4 | language science | grammar | Sentences, fragments, and run-ons | Is the sentence simple or compound? | A simple sentence is a sentence with only one subject and predicate.
The pitcher threw the ball to first base.
A compound sentence is two simple sentences joined by a comma and a conjunction such as and, but, or, or so.
The pitcher threw the ball, and the batter hit it.
Some simple sentences have a compound subject or ... | The second sentence is the compound sentence. It is made up of two simple sentences joined by a comma and the conjunction but.
Mr. Garza sent the email yesterday, but no one received it. | |
Not supported with pagination yet | Does the sentence use a simile or a metaphor?
Mrs. Erickson is kind, and her heart is gold. | [
"metaphor",
"simile"
] | 0 | closed choice | grade5 | 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... | Mrs. Erickson is kind, and her heart is gold.
The words heart and gold are compared without the word like or as. So, the sentence uses a metaphor. | |
Not supported with pagination yet | The donkeys move the carts at the same speed. Which cart is pulled with a larger force? | [
"a cart holding 72 pounds",
"a cart holding 67 pounds"
] | 0 | Two donkeys pull carts from the farmhouse to the yard. The carts are the same. Each cart is holding different tools. | 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 cart that is heavier.
A cart holding 72 pounds is heavier than a cart holding 67 pounds. So, the cart holding 72 pounds needs a larger force to start moving at the same speed as the other cart. |
Not supported with pagination yet | How long is a soccer field? | [
"90 centimeters",
"90 kilometers",
"90 meters",
"90 millimeters"
] | 2 | Select the best estimate. | closed choice | grade6 | 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 soccer field is 90 meters.
90 millimeters and 90 centimeters are too short. 90 kilometers is too long. |
Will these magnets attract or repel each other? | [
"attract",
"repel"
] | 0 | Two magnets are placed as shown.
Hint: Magnets that attract pull together. Magnets that repel push apart. | closed choice | 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 north pole of the other magnet. Poles that are different attract. So, these magnets will attract each other. | |
What is this wasp's scientific name? | [
"Shireplitis bilboi",
"Paroplitis wesmaeli"
] | 0 | This species of wasp lives in New Zealand. The scientists who discovered this wasp described it as short and stout. Its scientific name refers to the hobbit Bilbo from J. R. R. Tolkien's The Lord of the Rings. | closed choice | grade4 | natural science | biology | Scientific names | Origins of scientific names | When a scientist identifies a new organism, he or she chooses its scientific name.
Sometimes, an organism is named after the place where it was first found. Other times, an organism is named after the scientist who first identified it. Or, the scientific name might describe the organism's physical traits.
Many of the w... | This organism's scientific name refers to Bilbo Baggins.
The word bilboi refers to Bilbo Baggins. So, this wasp's scientific name is Shireplitis bilboi. | |
Which country is highlighted? | [
"Palau",
"Australia",
"Solomon Islands",
"Samoa"
] | 1 | closed choice | grade8 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Australia.
Is Australia a country or a continent?
Both! Australia is a country in Oceania, a region made up of many lands and islands in the Pacific Ocean. Many people say that Australia is the world's smallest continent. But some people call Oceania a continent instead. | |||
Complete the statement.
Carbon monoxide is (). | [
"a compound",
"an elementary substance"
] | 0 | The model below represents a molecule of carbon monoxide. Carbon monoxide is a poisonous gas that is produced by volcanic eruptions and wildfires. | 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 carbon monoxide is an elementary substance or a compound.
Step 1: Interpret the model.
.
Use the legend to determine the chemical element represented by each color. The colors and atomic symbols from the legend are shown in the table below. The table also includes the names of the che... | |
Which of the following could Allie's test show? | [
"whether she added enough nutrients to help the bacteria produce 20% more insulin",
"whether different types of bacteria would need different nutrients to produce insulin",
"whether producing more insulin would help the bacteria grow faster"
] | 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 | 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 | Select the one true statement. | [
"In animal cells, chromosomes contain the master plan for cell activities and cell development.",
"Vacuoles break down sugar to release energy that plant cells can use.",
"A plant cell can have endoplasmic reticulum but does not have a Golgi."
] | 0 | closed choice | grade7 | natural science | biology | Cells | Compare cells and cell parts | |||
Not supported with pagination yet | What does the allusion in this text suggest?
Romeo, take me somewhere we can be alone.
I'll be waiting; all that's left to do is run.
—Taylor Swift, "Love Story" | [
"The speaker has been waiting for a long time.",
"The speaker loves someone she is forbidden to see."
] | 1 | closed choice | grade10 | language science | figurative-language | Literary devices | Interpret figures of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
An allusion is a brief reference to something or someone well known, often from history or literature.
"I'd better get home before I turn into a pumpkin!" Lila remarked. | The text uses an allusion, a brief reference to someone or something well known.
The allusion Romeo suggests that the speaker loves someone she is forbidden to see. Shakespeare's Romeo is deeply in love with Juliet, but their warring families try to keep them apart. | |
Not supported with pagination yet | Select the vertebrate. | [
"black widow spider",
"ladybug",
"atlas moth",
"flounder"
] | 3 | Hint: Mammals, birds, fish, reptiles, and amphibians are vertebrates. | closed choice | grade4 | natural science | biology | Classification | Identify vertebrates and invertebrates | Vertebrates and invertebrates are both groups of animals.
A vertebrate has a backbone. The backbone is made of many bones in an animal's back. A vertebrate's backbone helps connect the different parts of its body. In the drawings below, each vertebrate's backbone is colored orange.
An invertebrate does not have a backb... | A ladybug is an insect. Like other insects, a ladybug is an invertebrate. It does not have a backbone. It has an exoskeleton.
An atlas moth is an insect. Like other insects, an atlas moth is an invertebrate. It does not have a backbone. It has an exoskeleton.
Like other spiders, a black widow spider is an invertebrate.... |
Which property matches this object? | [
"rough",
"slippery"
] | 1 | Select the better answer. | closed choice | grade2 | natural science | physics | Materials | Identify properties of an object | An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells. | Look at the object.
Think about each property.
A slippery object is hard to hold onto or stand on. The yogurt is slippery.
A rough object feels scratchy when you touch it. The yogurt is not rough. | |
Not supported with pagination yet | What is the source of the allusion in the sentence below?
When he was eighteen, in what he always called his "Horatio Alger moment," my grandfather boarded a bus to New York City with twenty dollars in his pocket and a plan to start his own business. | [
"literature",
"Shakespeare"
] | 0 | closed choice | grade11 | 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 Horatio Alger is literature.
In the novels of nineteenth-century American author Horatio Alger, protagonists invariably rose from poverty to wealth through hard work and honesty.
The allusion Horatio Alger means rags-to-riches. | |
What is the capital of Montana? | [
"Phoenix",
"Helena",
"Billings",
"Providence"
] | 1 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the West | Helena is the capital of Montana. | |||
Which country is highlighted? | [
"Tuvalu",
"Fiji",
"Tonga",
"Kiribati"
] | 0 | closed choice | grade8 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Tuvalu. | |||
Not supported with pagination yet | Two bath towels have the same temperature but different masses. Which towel has more thermal energy? | [
"the bath towel with less mass",
"the bath towel with more mass"
] | 1 | The objects are made of the same type of matter. | closed choice | grade5 | natural science | physics | Heat and 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 bath towels have the same temperature and are made of the same type of matter. So, the bath towel with more mass has more thermal energy. |
Not supported with pagination yet | Which tense does the sentence use?
I will explain my idea to you with a drawing. | [
"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, explain. The verb tells you about something that is going to happen. | |
Not supported with pagination yet | What kind of sentence is this?
Your suggestion was a great success! | [
"interrogative",
"exclamatory"
] | 1 | closed choice | grade4 | language science | punctuation | Sentences, fragments, and run-ons | Is the sentence declarative, interrogative, imperative, or exclamatory? | There are four kinds of sentences.
A declarative sentence is a statement. It tells about something. A declarative sentence always ends with a period.
I have an older brother and a younger sister.
An interrogative sentence is a question. It asks something. An interrogative sentence always ends with a question mark.
How ... | The sentence tells about something, but it shows strong feeling and ends with an exclamation point. It is an exclamatory sentence. | |
Not supported with pagination yet | Which closing is correct for a letter? | [
"See you soon,\nBrandon",
"see you soon,\nBrandon"
] | 0 | closed choice | grade3 | 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 second closing is correct:
Its first word is capitalized, and it ends with a comma. | |
What is the capital of Texas? | [
"Austin",
"Dallas",
"Columbia",
"Little Rock"
] | 0 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Southeast | Austin is the capital of Texas. | |||
What is the probability that a leopard produced by this cross will have a black coat? | [
"4/4",
"3/4",
"0/4",
"1/4",
"2/4"
] | 4 | In a group of leopards, some individuals have a spotted coat and others have a black coat. In this group, the gene for the coat pattern trait has two alleles. The allele for a spotted coat (A) is dominant over the allele for a black coat (a).
This Punnett square shows a cross between two leopards. | closed choice | grade8 | natural science | biology | Genes to traits | Use Punnett squares to calculate probabilities of offspring types | Offspring phenotypes: dominant or recessive?
How do you determine an organism's phenotype for a trait? Look at the combination of alleles in the organism's genotype for the gene that affects that trait. Some alleles have types called dominant and recessive. These two types can cause different versions of the trait to a... | ||
Why might guarding the nest increase the reproductive success of a female long-tailed sun skink? Complete the claim below that answers this question and is best supported by the passage.
Guarding the nest increases the chances that (). | [
"the female will lay more eggs",
"the female will be injured by a snake",
"the female's eggs will hatch"
] | 2 | Animals often behave in certain ways that can increase their reproductive success. Read the passage about a specific animal behavior. Then, follow the instructions below.
Long-tailed sun skinks are lizards that live in southeast Asia. Most female skinks abandon their nests after laying eggs. But female skinks that liv... | closed choice | grade8 | natural science | literacy-in-science | Adaptations and natural selection | How can animal behaviors affect reproductive success? Identify evidence to support a claim | Animals increase their reproductive success when they have offspring that survive to reproduce.
Animals can increase their chances of having offspring by behaving in ways that help them get partners to mate and reproduce with. These partners are called mates. For example, animals may make special sounds, perform specif... | Look for the part of the passage that describes the effect of guarding the nest. Use this information to determine why this behavior can increase the reproductive success of the female long-tailed sun skink.
Choice "Long-tailed sun skinks are lizards that live in southeast Asia. Most female skinks abandon their nests a... | |
Which solution has a higher concentration of purple particles? | [
"Solution B",
"Solution A",
"neither; their concentrations are the same"
] | 1 | 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... | |
What is the capital of Washington? | [
"Pierre",
"Buffalo",
"Olympia",
"Seattle"
] | 2 | closed choice | grade5 | social science | geography | State capitals | Identify the 50 state capitals | Olympia is the capital of Washington. | |||
Which ocean is highlighted? | [
"the Arctic Ocean",
"the Pacific Ocean",
"the Atlantic Ocean",
"the Southern Ocean"
] | 3 | 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 Southern Ocean.
The Southern Ocean reaches from the shores of Antarctica to 60° South latitude. | ||
Is the water in a bathtub a solid, a liquid, or a gas? | [
"a gas",
"a liquid",
"a solid"
] | 1 | closed choice | grade2 | 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 shape of its own.
Some solids can be bent or broken easily. Others are hard to bend or break.
A glass cup is a solid. A sock is also a solid.
When matter i... | The water in a bathtub is a liquid. A liquid takes the shape of any container it is in.
If you move the water from a bathtub into a different container, the water will take the shape of that container. But the water will still take up the same amount of space. | ||
Not supported with pagination yet | Compare the motion of three sailboats. Which sailboat was moving at the lowest speed? | [
"a sailboat that moved 45miles east in 5hours",
"a sailboat that moved 55miles west in 5hours",
"a sailboat that moved 50miles north in 5hours"
] | 0 | closed choice | grade3 | natural science | physics | Force and motion | Compare the speeds of moving objects | An object's speed tells you how fast the object is moving. Speed depends on both distance and time.
Distance tells you how far the object has moved. One unit used to measure distance is the mile.
Time tells you how long the object has spent moving. One unit used to measure time is the hour.
Think about objects moving f... | Look at the distance each sailboat moved and the time it took to move that distance. The direction each sailboat moved does not affect its speed.
Notice that each sailboat moved for 5 hours. The sailboat that moved 45 miles moved the shortest distance in that time. So, that sailboat must have moved at the lowest speed. | |
Not supported with pagination yet | Which figure of speech is used in this text?
It was the best of times, it was the worst of times.
—Charles Dickens, A Tale of Two Cities | [
"antithesis",
"assonance"
] | 0 | 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 antithesis, the contrasting of opposing ideas within a parallel grammatical structure.
Dickens contrasts opposing views of the same time period using the words the best and the worst in parallel clauses. | |
In this food web, which organism contains matter that eventually moves to the sea cucumber? | [
"black rockfish",
"sea otter"
] | 1 | Below is a food web from an ocean ecosystem in Monterey Bay, off the coast of California.
A food web models how the matter eaten by organisms moves through an ecosystem. The arrows in a food web represent how matter moves between organisms in an ecosystem. | closed choice | grade6 | natural science | biology | Ecological interactions | Interpret food webs II | A food web is a model.
A food web shows where organisms in an ecosystem get their food. Models can make things in nature easier to understand because models can represent complex things in a simpler way. If a food web showed every organism in an ecosystem, the food web would be hard to understand. So, each food web sho... | Use the arrows to follow how matter moves through this food web. For each answer choice, try to find a path of arrows to the sea cucumber.
The only arrow pointing from the black rockfish leads to the kelp bass. The only arrow pointing from the kelp bass leads to the bat star. No arrows point from the bat star to any ot... | |
Not supported with pagination yet | Which figure of speech is used in this text?
I must be cruel, only to be kind:
Thus bad begins and worse remains behind.
—William Shakespeare, Hamlet | [
"euphemism",
"paradox"
] | 1 | closed choice | grade11 | language science | figurative-language | Literary devices | Classify the figure of speech: review | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
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 a paradox, a statement that might at first appear to be contradictory, but that may in fact contain some truth.
Be cruel, only to be kind at first appears to be contradictory, as cruelty and kindness are opposites. However, it contains some truth: being cruel to someone in the short term may benefit him o... | |
Identify the question that Josh and Mark's experiment can best answer. | [
"Do ping pong balls stop rolling along the ground sooner after being launched from a 30° angle or a 45° angle?",
"Do ping pong balls travel farther when launched from a 30° angle compared to a 45° angle?"
] | 1 | The passage below describes an experiment. Read the passage and then follow the instructions below.
Josh placed a ping pong ball in a catapult, pulled the catapult's arm back to a 45° angle, and launched the ball. Then, Josh launched another ping pong ball, this time pulling the catapult's arm back to a 30° angle. Wit... | closed choice | grade7 | 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 word would you find on a dictionary page with the following guide words?
got - gust | [
"galleon",
"graze"
] | 1 | closed choice | 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 graze is between the guide words got - gust, it would be found on that page. | |
Not supported with pagination yet | Which word would you find on a dictionary page with the following guide words?
garment - guide | [
"gym",
"gesture"
] | 1 | closed choice | grade6 | 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 gesture is between the guide words garment - guide, it would be found on that page. | |
Not supported with pagination yet | Which is a compound sentence? | [
"Emmett practiced pitching the ball, so he became even better.",
"China grows most of the wheat in the world."
] | 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 first sentence is the compound sentence. It is made up of two simple sentences joined by a comma and the conjunction so.
Emmett practiced pitching the ball, so he became even better. |
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.