Nuclear fission

The central core of an atom that contains the protons and neutrons

• what is nuclear fission ?

• what is nuclear fusion?

• what is a reactor vessel?

• what is the nucleus?

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NGSS.HS-PS1-8

massive explosion

• what happens in a heat exchanger?

• what happens when a nuclear chain reaction is controlled?

• what are the risks of nuclear power?

• what happens if a nuclear chain reaction is uncontrolled?

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NGSS.HS-PS1-8

Cadmium rods used in a nuclear reactor to absorb neutrons from fission reactions

• what are the control rods?

• what are meltdowns?

• what are the advantages of nuclear fusion ?

• what is the nucleus?

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NGSS.HS-PS1-8

control rods are made of Uranium 235

• true

• false

• I don't know

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NGSS.HS-PS1-8

What is the disadvantage to nuclear fusion?

The pressure and temperature required for the reaction makes construction impractical

• true

• false

• Not sure

What are meltdowns?

• when the uranium melts down

• The fuel rods generate so much heat they start to melt

• when water vapor melts down to water

• there is not such thing as a meltdown

The combining of 2 atomic nuclei to produce a single nucleus

• Nuclear fission

• Nuclear fusion

• meltdown

• nuclear combination

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NGSS.HS-PS1-8

NGSS.HS-ESS1-1

The part of the nuclear reactor where nuclear fission occurs

• cadmium rod

• Uranium chamber

• Reactor vessel

• nuclear reaction

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NGSS.HS-PS1-8

What happens when a nuclear chain reaction is controlled?

• a massive explosion

• Uranium cools down

• Uranium heats up and then cools down

• Used to generate electricity

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NGSS.HS-PS1-8

What is a fuel rod?

• rods used to control the nuclear reaction

• rod that absorbs neutrons in a nuclear vessel

• Rods of U-235 used in a nuclear vessel

• rod made of cadmium

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NGSS.HS-PS1-8