Fission Flashcards

1
Q

Nuclear fission

A

When a neutron bangs into a uranium 235 nucleus, it can cause it to split into 2 smaller nuclei and 2-3 neutrons. These neutrons bash into another uranium 235 nucleus and a chain reaction occurs.

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2
Q

Moderators

A

Slow down neutrons

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3
Q

Control rods

A

Absorb neutrons and can stop the chain reaction

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4
Q

Advantages of nuclear energy

A

-no CO2
-large reserves of uranium

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5
Q

Disadvantages of nuclear energy

A

-risk of nuclear accidents
-expensive

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