BrainPop Answer Key 2022 [FREE ACCESS]

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BrainPop Answer Key – FREE Quiz Unlocks

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BrainPop Answer Key

American Revolution

Check the answers for the topic “American Revolution” below:

Q. What advantage did colonial militias have over the British army?
Ans: Knowledge of the land

Q. What role did Paul Revere play in the Battles of Lexington and Concord?
Ans: Messenger

Q. The Second Continental Congress accomplished all of the following, except:
Ans: Organize the Minutemen

Q. Thomas Paine’s “Common Sense” helped convince colonists that:
Ans: Independence from England was the only option

Q. George Washington’s surprise attack across the Delaware River resulted in:
Ans: More recruits for the Continental Army

Q. The diplomatic efforts of _ helped convince France to support the American colonist.
Ans: Benjamin Franklin

Q. The greatest danger faced by American soldiers at Valley Forge was:
Ans: Freezing weather

Q. Which is generally true about guerrilla warfare?
Ans: Small armies ambush large armies

Q. Which word best describes Lord Cornwallis after the Battle of Yorktown?
Ans: Ashamed

Q. While the U.S. and Britain were _ during the American Revolution, the two countries are _ today.
Ans: Foes; allies

 

Voting

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=> Find Voting Quiz Answers Here

 

Citizenship

Check the answers for the topic “Citizenship” below:

Q. To which of the following is citizenship most similar?
Ans: A membership in a club

Q. In what decade did a new amendment to the United States Constitution broaden the definition of citizenship?
Ans: The 1860s

Q. What do the Bill of Rights and the 14th Amendment have in common?
Ans: They both define the rights U.S. citizens enjoy

Q. Which of these words is an antonym for “mandatory?”
Ans: Voluntary

Q. What is one major difference between the responsibility to pay taxes and the responsibility to vote?
Ans: All citizens must pay taxes, but voting is only encouraged

Q. Which of the following is both a right and a responsibility?
Ans: Voting in an election

Q. Why isn’t a country like China considered a melting pot?
Ans: Most of its citizens have the same ethnic background

Q. Place these steps to naturalization in order: A) Citizenship test; B) Oath ceremony; C) Immigration interview
Ans: C, A, B

Q. Which of these questions is most likely to come up during the naturalization process?
Ans: What are the colors of the American flag?

Q. Which city is most likely to be the birthplace of a naturalized U.S. citizen?
Ans: Montreal

 

Energy Sources

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=> Find Energy Sources Quiz Answers Here

 

Electromagnetic Spectrum

Check the answers for the topic “Electromagnetic Spectrum” below:

Q. How are different types of radiation arranged along the electromagnetic spectrum?
Ans: By the amount of energy they carry

Q. What is the difference between a wave and a particle?
Ans: A particle is a discrete unit of energy; a wave is a continuous flow of energy.

Q. Place the following types of EM radiation in order, from lowest energy to highest energy: A) Visible light; B) Gamma rays; C) Radio waves
Ans: C,A,B

Q. Which of the following transmits information using microwaves ?
Ans: navigator

Q. Astronomers often scan the sky using devices called radio telescopes. What can you conclude about these devices?
Ans: They can detect ultraviolet radiation.

Q. Tim mentions that infrared radiation can be used to take special pictures called thermographs. “Graph” means “image.” What can you infer about the prefix “thermo”?
Ans: It means “heat”

Q. What might happen if the ozone layer did not block the sun’s ultraviolet rays?
Ans: Rates of skin cancer would skyrocket

Q. Which word best describes gamma rays?
Ans: Destructive

Q. What do all forms of electromagnetic radiation have in common?
Ans: Their speed

Q. What produces electromagnetic radiation?
Ans: Electrons changing energy levels

 

Genetic Mutations

Check the answers for the topic “Genetic Mutations” below:

Q. In the movie, Tim says that genetic mutations are permanent changes to DNA or RNA. What does this mean?
Ans: The changes can’t be undone.

Q. Which of the following traits is encoded in your DNA?
Ans: Your eye color

Q. What types of living organisms have no genetic material at all?
Ans: All living organisms have genetic material

Q. Why do most changes to DNA have no effect at all?
Ans: Because the changes are quickly repaired

Q. Which word describes the majority of permanent genetic mutations?
Ans: Injurious

Q. What usually happens to a cell whose DNA has been damaged?
Ans: It has trouble manufacturing certain proteins

Q. How are cancerous cells different from normal cells?
Ans: Cancerous cells divide more frequently than normal cells

Q. Which of the following is an example of a beneficial mutation?
Ans: When an organism develops immunity to a disease.

Q. When a beneficial mutation spreads through an entire population of organisms, that population:
Ans: Has evolved

Q. When do random or spontaneous mutations happen?
Ans: During cell division

 

Climate Change

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=> Find Climate Change Quiz Answers Here

 

Wind Energy

Check the answers for the topic “Wind Energy” below:

Q. What are the following devices called?
Ans: Turbines

Q. Place the following events in sequence: A) Persians use windmills to grind grain; B) Wind is used to power sailboats; C) Europeans develop windmills
Ans: B, A, C

Q. How would an early Persian windmill compare to an early European windmill?
Ans: Persian windmill blades were horizontal, like eggbeaters, while European ones were vertical, like propellers

Q. What type of energy is torque?
Ans: Rational energy

Q. What would be one easy way to increase the amount of torque a wind turbine produces?
Ans: Increase the length of the rotor blades

Q. Why is wind energy considered a renewable resource?
Ans: It’s unlikely that humans will run out of it anytime soon.

Q. What is the best definition of a generator?
Ans: A device that converts mechanical motion into electricity.

Q. If you visited a wind farm, what would you see?
Ans: Several dozen wind turbines.

Q. Compared to the amount of energy generated by fossil fuels, the amount of energy generated by wind in the United States is:
Ans: Meager/Little

Q. Which of the following is a drawback to wind energy?
Ans: Wind turbines can hurt flying animals

 

Solar System

Check the answers for the topic “Solar System” below:

Q. Which figure is closest to the age of the solar system?
Ans: 4.5 billion years

Q. What force pulled the solar system together out of a cloud of gas and dust?
Ans: Gravity

Q. Which term best describes how the solar system formed?
Ans: Gradually

Q. Which of the following is a terrestrial planet?
Ans: Mercury

Q. Where can you find the asteroid belt?
Ans: Between Mars and Jupiter

Q. How is Venus different from Jupiter?
Ans: Jupiter is a gas giant, Venus is a terrestrial planet.

Q. What does Jupiter have in common with Neptune?
Ans: They both have large storm “spots”

Q. Which of the following can be found in the Kuiper Belt?
Ans: Bits of rock and ice, comets and dwarf planets

Q. In terms of orbit, the Earth is to the sun as what is to the Earth?
Ans: The moon

Q. How might Mars be different if its surface did not contain so much iron?
Ans: It would be a different color

 

Civil War Causes

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=> Find Civil War Causes Quiz Answers Here

 

Electric Circuits

Check the answers for the topic “Electric Circuits” below:

Q. What are electrons?
Ans: Negatively charged subatomic particles

Q. Which word best describes electricity as it occurs in nature?
Ans: Sudden

Q. Why is static electricity not useful as a power source?
Ans: Because all energy is released at once in static electricity

Q. What is a current?
Ans: A steady flow of electricity.

Q. What is the function of a power source in a circuit?
Ans: It provides a steady flow of electrons.

Q. How does rubber differ from most metals?
Ans: Rubber is a good insulator; most metals are good conductors

Q. What might happen if wires weren’t insulated?
Ans: We’d be in danger of harm from electric shocks.

Q. Which of the following is an example of a load?
Ans:

Q. What device opens and closes an electric circuit?
Ans: A switch

Q. What happens if you disconnect a circuit from its positive terminal?
Ans: The electrons stop flowing, and the current stops

 

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Supply and Demand 

Check the answers for the topic “Supply and Demand” below:

Q. What might happen if the demand for a new type of sneaker began rising quickly?
Ans: The sneaker company would raise the price of sneakers

Q. According to the laws of supply and demand, when will companies produce more of a product?
Ans: When they can sell it for a higher price

Q. Which of these is neither a good or a service?
Ans: A 20 dollar bill

Q. The equilibrium point is at _ of the supply and demand curves. What does “confluence” mean?
Ans: The intersection

Q. Who would set the equilibrium point for the price of a new type of sneaker?
Ans: Neither manufacturer or consumer because the equilibrium point is set by the market forces

Q. Why do prices go down when consumers start saving their money?
Ans: Consumers become less willing to spend money on goods and services

Q. What is likely to happen if the price of a new pair of sneakers went up?
Ans: Demand for the sneakers would decrease

Q. What factor is most likely to cause an increase in demand for a new type of automobile?
Ans: A Commerical in which the car is endorsed by a celebrity

Q. Which condition would lead to the highest prices?
Ans: low supply, high demand

Q. When do we say that the market has “cleared”?
Ans: When supply and demand balance out

 

Heredity

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=> Find Heredity Quiz Answers Here

 

Cells

Check the answers for the topic “Cells” below:

Q. What is the relationship between cells and tissues?
Ans: Tissues are comprised of cells

Q. Which part of an egg is most similar to the cell membrane?
Ans: The shell

Q. If you wanted to see a cell wall, where could you look?
Ans: Plant Cell

Q. Which of the following is a type of cell organelle?
Ans: Peroxysome

Q. The majority of a cell’s interior is comprised of:
Ans: Cytoplasm

Q. How are lysosomes similar to kidneys?
Ans: They filter waste out of the cell

Q. What can you conclude about DNA and RNA from the fact that they are like a cell’s “brain?”
Ans: Cells could not function without them

Q. How are eukaryotic cells different from prokaryotic cells?
Ans: Eukaryotic cells have a nuclei, prokaryotic cells do not

Q. Most cells are infinitesimal, and can only be seen under a microscope. In the preceding sentence, what does “infinitesimal” mean?
Ans: Tiny

Q. The word “mitosis” refers to the process of:
Ans: Cell division

 

Geologic Time

Check the answers for the topic “Geologic Time” below:

Q. Which of these numbers is closest to the age of the earth?
D. 4.6 billion years

Q. What is the main purpose of the geologic time scale?
Ans: To organize the major eras of Earth’s history

Q. Place the following units in order, from smallest to largest.
Ans: Epoch, period, eon

Q. Generally speaking, which rock layers are the oldest?
Ans: The ones furthest from the surface

Q. What can you conclude from the fact that there have been just four eons in Earth’s history?
Ans: There have been at least eight periods in earth’s history

Q. What event might mark the end of a period?
Ans: A major geologic change

Q. What can you infer about the Maastrichtian Age from its name?
Ans: Rocks from this era were first studied near the city of Maastricht, Netherlands

Q. How would the human time scale be different if we measured it in relative, instead of specific, time? Choose the best answer.
Ans: One week might be longer or shorter than the next

Q. What does a stratigraphist study?
Ans: Rock layers

Q. How does radiometric dating differ from the ages of the geologic time scale?
Ans: Radiometric dating involves absolute dates; the geologic time scale is measured with relative dates

 

Scientific Method

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=> Find Scientific Method Quiz Answers Here

 

Computer History

Check the answers for the topic “Computer History ” below:

Q. If you wanted to enter data on a 19th-century computer, you would do it with:
Ans: Cards

Q. A programmable machine can:
Ans: Perform a number of different tasks

Q. What organization was the first to benefit from Herman Hollerith’s machines?
Ans: The U.S. government

Q. If you were one of the first people to operate ENIAC, what information would you likely have computed?
Ans: Bombing targets

Q. Which of the following word pairs best symbolizes the ones and zeroes in binary code?
Ans: Yes and no

Q. What does a modern tablet computer have in common with Colossus and ENIAC?
Ans: They all use electricity to represent information.

Q. What devices do microprocessors contain?
Ans: Transistors

Q. Which of these terms best describes the average computer buyer in the 1960s?
Ans: Large institution

Q. How was the Apple I different from the computers that came before it?
Ans: It was designed for use in people’s homes.

Q. Compared to a home computer from 20 years ago, today’s machines are:
Ans: More powerful

 

Forms of Energy

Check the answers for the topic “Forms of Energy” below:

Q. What is energy? Choose the best answer.
Ans: Anything that makes matter move or change.

Q. Which of these objects has kinetic energy?
Ans: A ball moving through the air.

Q. What is the difference between kinetic energy and potential energy?
Ans: Potential energy is the energy of objects at rest; kinetic energy is the energy of objects in motion.

Q. Which of the following objects has the most potential energy?
Ans: A ball sitting on a mountaintop.

Q. Which of the following terms is synonymous with potential energy?
Ans: Stored energy

Q. What would happen if you didn’t have chemical energy in your body? Choose the best answer.
Ans: You wouldn’t be able to move.

Q. What is the primary source of all light energy on earth?
Ans: The Sun

Q. Which of the following is an opinion about energy?
Ans: Chemical energy is the most important source of energy

Q. What do wind and moving water have in common?
Ans: They both have mechanical energy.

Q. How is nuclear energy released?
Ans: By atoms fusing together or splitting apart

 

Waves

Check the answers for the topic “Waves” below:

Q. What do seismic waves and sound waves have in common
Ans: they are mechanical waves

Q. What does it mean when a waves amplitude increases
Ans: its carrying more energy

Q. What medium do seismic waves travel through
Ans: the ground

Q. What do waves carry from place to place
Ans: energy but not matter

Q. In a wave what happens to a molecule after it passes energy on to the next molecule
Ans: it returns to its original resting position

Q. How are electromagnetic waves different from mechanical wave
Ans: electromagnetic waves can travels through empty space mechanical waves can’t

Q. Which of the following are electromagnetic waves
Ans: radio waves

Q. What type of waves carry energy at a right angle to the direction of the energy flow
Ans: transverse waves

Q. How is wavelength measured?
Ans: From crest to crest

Q. What can you infer about a wave with a short wavelength
Ans: its has a high frequency

 

Natural Selection

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=> Find Natural Selection Quiz Answers Here

 

Genetic Mutations

Check the answers for the topic “Genetic Mutations” below:

Q. In the movie, Tim says that genetic mutations are permanent changes to DNA or RNA. What does this mean?
Ans: The changes can’t be undone.

Q. Which of the following traits is whose DNA has been damaged? encoded in your DNA?
Ans: Your eye color

Q. What types of living organisms have no genetic material at all?
Ans: All living organisms have genetic material

Q. Why do most changes to DNA have no effect at all?
Ans: Because the changes are quickly repaired

Q. Which word describes the majority of permanent genetic mutations?
Ans: Injurious

Q. What usually happens to a cell whose DNA has been damaged?
Ans: It has trouble manufacturing certain proteins

Q. How are cancerous cells different from normal cells?
Ans: Cancerous cells divide more frequently than normal cells

Q. Which of the following is an example of a beneficial mutation?
Ans: When an organism develops immunity to a disease.

Q. When a beneficial mutation spreads through an entire population of organisms, that population:
Ans: Has evolved

Q. When do random, or spontaneous, mutations happen?
Ans: During cell division

 

Measuring Matter

Check the answers for the topic “Measuring Matter” below:

Q. If a substance has a large mass and a small volume, what can you conclude about it?
Ans: It’s very dense

Q. What is the difference between weight and mass?
Ans: Weight depends on gravity and mass is constant

Q. Which unit is very rarely used in science labs?
Ans: Gram

Q. If you wanted to measure an irregular object’s volume, which device would you use?
Ans: A beaker

Q. One side of a cube is 5 cm long. What is the cube’s volume?
Ans: 125 cubic cm

Q. In the context of the movie, what is the best synonym for “property?”
Ans: Attribute

Q. What is always true of an object with a lot of mass?
Ans: It contains a lot of matter

Q. Which of the following is a measurement of the object’s mass?
Ans: 10 Kilograms

Q. What is the relationship between cubic centimeters and millimeters?
Ans: They are equivalent

Q. If an object’s mass is 50g, and its volume is 10 cubic cm, what is its density?
Ans: 5 g/cubic cm

 

Money

Check the answers for the topic “Money” below:

Q. Which of these is an example of barter?
Ans: Trading a valuable baseball card for a valuable comic book

Q. Place the following forms of currency in the order they were introduced: A) Cowrie shells; B) Gold and silver; C) Paper money
Ans: A,B,C

Q. Perishable goods like barley make poor forms of currency. What does “perishable” mean?
Ans: Susceptible to spoiling or being ruined

Q. What attributes of gold and silver lead to the creation of paper money?
Ans: Their bulky size and heavy weight

Q. Which of these is an example of commodity?
Ans: Barley

Q. What is the difference between goods and services?
Ans: Goods are generally objects, while services are tasks or jobs

Q. Which of these is a fact about money?
Ans: Originally, gold and silver trade it in small pieces

Q. Coins originally given markings?
Ans: To indicate their value

Q. What did markets allow people to do?
Ans: Trade on a larger scale

Q. Today, what gives the U.S. dollar its value?
Ans: The fact that everyone believes it has value

 

Forces

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=> Find Forces Quiz Answers Here

 

States of Matter

Check the answers for the topic “States of Matter” below:

Q. What is matter? Choose the best answer.
Ans: Anything that takes up space

Q. In what way are liquids different from solids?
Ans: Liquids don’t have a fixed shape; solids do.

Q. What happens to the chemical structure of water when it changes state?
Ans: Nothing happens to the chemical structure.

Q. What will happen if you keep increasing the temperature of a liquid?
Ans: It will boil and become a gas

Q. What do lightning and stars have in common?
Ans: Both contain plasma

Q. Water’s chemical formula is “H2O.” What does this mean?
Ans: Each water molecule contains two hydrogen atoms and one oxygen atom.

Q. What is the basic shape of a liquid?
Ans: Whatever shape its container is

Q. How can you remove energy from matter?
Ans: By lowering its temperature

Q. Gases have a tendency to expand. What’s the best synonym for “expand?”
Ans: Spread out

Q. Where would you find a Bose-Einstein condensate?
Ans: In a science lab

 

Weathering

Check the answers for the topic “Weathering” below:

Q. What is weathering?
Ans: A process the breaks down rocks into smaller pieces.

Q. How might a weathered mountain appear different from an unweathered mountain?
Ans: The weathered mountain would appear rounder in shape.

Q. What can you infer about ice from the information presented in the movie?
Ans: It expands as it freezes

Q. How is mechanical weathering different from chemical weathering?
Ans: Chemical weathering changes the chemical composition of materials; mechanical weathering does not.

Q. What might cause mechanical weathering?
Ans: Growing plants and expanding ice

Q. What impact does weathering have on soil formation?
Ans: Rocks are broken down into smaller pieces, and finally into the sediment.

Q. What type of rocks are formed by weathering?
Ans: Sedimentary rocks

Q. How long does the weathering process take?
Ans: Years and years

Q. Carbonic acid is a mixture of:
Ans: Water and carbon dioxide

Q. What process hallows out limestone caves?
Ans: Chemical Weathering

 

Six Kingdoms

Check the answers for the topic “Six Kingdoms” below:

Q. How was Aristotle’s classification system similar to the modern one?
Ans: Both divided animal life and plant life into seperate kingdoms

Q. Phylogeny can be described as the study of:
Ans: How species are related genetically

Q. What do archaebacteria and bacteria have in common?
Ans: Their cells have no nuclei

Q. What is true about eubacteria?
Ans: They are found everywhere

Q. Which organism is most likely to be found in a deep-sea trench?
Ans: Archaebacteria

Q. Scientists classify protists according to how they:
Ans: Get food

Q. Which domain includes all multi-cellular organisms?
Ans: Eukarya

Q. Fungi hyphae have a structure that is most similar to the _ of plants.
Ans: Roots

Q. Cellulose is found in the:
Ans: Cell walls of plants

Q. What can you infer is the meaning of sessile?
Ans: Unable to move around

 

About BrainPop

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