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| Question | Answer |
| What is fission? | The division or splitting into two or more parts |
| What is nuclear fission? | A nuclear reaction in which a heavy nucleus splits spontaneously or on impact with another particle, with the release of energy. |
| Where does nuclear fission occur? | It occurs in power stations (man-made) and in suns and stars (natural) |
| What is a diagram for fission? | |
| Why can fission be useful? | It can be useful as it produces a lot of energy and is also relatively easy to maintain once the chain begins |
| What are the problems with sustaining nuclear fission? | If the chain reaction gets out of hand it can very quickly turn bad and is hard to bring back from this state |
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