Nuclear Fission and Fusion

The splitting of a nucleus into smaller nuclei is

• fusion
• fission
• half-life
• gamma radiation

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Takes two small nuclei and combines them into a larger nucleus

• fission
• fusion

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This is an example of...

• Fission  reaction
• Fusion reaction
• Decomposition reaction
• Decay

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Where does fusion occur naturally?

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

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NGSS.HS-ESS1-1

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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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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Do all stars make energy through fusion?

• Yes
• No
• Just our sun
• Only large stars

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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

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One disadvantage of nuclear energy is ___.

• it is a fossil fuel
• it leaves behind radioactive waste
• it emits large amounts of pollution into the atmosphere
• there are no disadvantages

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