Nuclear Energy

What process do nuclear power plants use?

• Fusion

• Combustion

• Fission

• Fusion or fission

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NGSS.HS-PS1-8

Takes two small nuclei and combines them into a larger nucleus

• fission
• fusion

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NGSS.HS-PS1-8

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The splitting of a nucleus into smaller nuclei is

• fusion
• fission
• half-life
• gamma radiation

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NGSS.HS-PS1-8

Where does fusion occur naturally?

• Underwater
• All around us
• In the radioactive waste
• On the sun

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NGSS.HS-ESS1-1

What is a half-life?

• The average time it takes for any element to disappear completely 
• The time it takes for a radioactive atom to lose half its neutrons
• The time it takes for half of any number of radioactive atoms to decay
• The time it takes for a radioactive atom to lose half its electrons 

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NGSS.HS-PS1-8

This is an example of...

• Fission  reaction
• Fusion reaction
• Decomposition reaction
• Combustion

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NGSS.HS-PS1-8

All of the following are concerns with nuclear energy except ---

• Storage of radioactive fuel

• Greenhouse gas emissions

• Safety and cost

• Natural disasters (tsunamis, earthquakes, etc.)

Nuclear Power uses ____________ to create energy

• coal

• natural gas

• uranium

• hydrogen

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NGSS.HS-PS1-8

Choose THREE benefits of using nuclear power

• No carbon dioxide emitted to the atmosphere

• Little radioactivity released when operated correctly

• There is no waste with nuclear power

• It provides a large amount of electricity

• Good for all countries regardless of their fossil fuel resources

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NGSS.HS-PS1-8

What is the function of the cooling towers of the nuclear reactor?

• to create steam

• to spin the turbine

• to limit the heat produced by the uranium

• to turn steam back into water

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