Unit 54 Science Fusion

Which of the following best describes the process of nuclear fission?

• Splitting an atom's nucleus apart.

• Separating an atom's electrons from its nucleus

• Fusing two atomic nuclei together.

• Splitting an atom's electrons in half.

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NGSS.HS-PS1-8

From where do nuclear power plants get uranium?

• From factories

• From mines

• From research labs

• From volcanoes

From the information presented in the movie, what can you infer about neutrons?

• They have positive charges

• They only exist inside uranium atoms

• They're where all an atom's energy is stored

• They're contained within atomic nuclei

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NGSS.HS-PS1-8

Place the following events in sequence: A) Uranium atoms split; B) Steam powers turbines; C) Fuel rods heat up

• A, B, C

• B, A, C

• A, C, B

• C, A, B

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NGSS.HS-PS1-8

For what reason do nuclear power plants use uranium as fuel?

• Uranium atoms have nuclei that can be easily split

• Uranium is less expensive than most other metals

• Uranium is easier to obtain than most other metals

• Unlike most other metals, uranium is not radioactive

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NGSS.HS-PS1-4

NGSS.HS-PS1-8

Which of the following terms best describes the byproducts of nuclear power?

• Harmless

• Hazardous

• Nonexistent

• Useful

Which of the following is an example of a fossil fuel?

• Nuclear energy

• Coal

• Wind energy

• Solar energy

What benefit does nuclear energy have over fossil fuels?

• It doesn't cause any form of pollution.

• It's extremely cheap to create.

• It's extremely cheap to create.

• It won't run out as quickly as fossil fuels.

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NGSS.HS-ESS3-2

NGSS.HS-ETS1-3

Which of the following is an example of nuclear fusion?

• A plutonium atom is used to start a chain reaction that detonates a nuclear weapon

• A uranium atom is split apart into lighter elements

• Two hydrogen atoms are combined to form a helium atom

• Two hydrogen atoms bond with an oxygen atom to form a water molecule

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NGSS.HS-PS1-8

How does nuclear fusion compare to nuclear fission?

• Nuclear fusion produces no radioactive waste

• Nuclear fusion produces more radioactive waste

• Nuclear fusion is cheaper and easier to produce

• Nuclear fusion requires rare, expensive elements to work

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NGSS.HS-PS1-8