Front

What subatomic particle sparks off fission chain reactions in power plants?

Back

Neutrons

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Front

Where can radioactive elements be found in the periodic table?

Back

Near the bottom

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Front

What is it called when a heavy, unstable atom splits into smaller ones?

Back

Fission

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Front

What do nuclear fission and nuclear fusion have in common?

Back

Both give off a lot of energy

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Front

What do isotopes of an element have in common?

Back

They have the same number of protons but different numbers of neutrons.

Front

What is nuclear fusion?

Back

The process where two light atomic nuclei combine to form a heavier nucleus, releasing energy.

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Front

What is the primary fuel used in nuclear fission reactors?

Back

Uranium-235.

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Front

What is a chain reaction in nuclear fission?

Back

A process where the products of one fission event cause further fission events.

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Front

What is radioactive decay?

Back

The process by which an unstable atomic nucleus loses energy by emitting radiation.

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Front

What are the three types of radiation emitted during radioactive decay?

Back

Alpha particles, beta particles, and gamma rays.

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