Radioactivity Exam Review

The splitting of a nucleus into smaller nuclei is

• fusion
• fission
• half-life
• gamma radiation

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NGSS.HS-PS1-8

This is an example of...

• Fission  reaction
• Fusion reaction
• Decomposition reaction
• Decay

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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

NGSS.HS-PS1-8

How do nuclear power-plants work?

• Fusion
• Half-life
• Fission
• Fusion or fission

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NGSS.HS-PS1-8

Which atoms combine together during fusion reaction on the sun?

• Helium and Hydrogen atoms
• Hydrogen atoms
• Hydrogen and Lithium atoms
• Hydrogen and Carbon atoms

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NGSS.HS-ESS1-1

NGSS.HS-PS1-8

An example of an uncontrolled fission reaction is _______________

• Nuclear power plants
• Radio active decay
• Atomic Bomb
• On the surface of the sun

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What does it mean that fusion is a "chain reaction?"

• many steps or mini-reactions in the process
• long chains of elements form in a row

_________ happens naturally due to an unstable nucleus.

• fission
• fusion
• radioactive decay
• K-capture

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NGSS.HS-PS1-8

What is a benefit of nuclear fission?

• The ability to absorb energy
• The ability to release tremendous amounts of energy
• The ability to produce more energy than nuclear fusion
• There are no beneficial aspects of nuclear fission

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NGSS.HS-PS1-8

The major drawback to nuclear fission reactors is the difficulty of achieving safe disposal of radioactive waste products.

• true
• false