P2, Stars and nucleur fusion 0.0 / 5 ? PhysicsRadioactivityGCSEAQA Created by: emmajane_Created on: 15-05-14 17:51 Name 2 types of fuels for nucleur reactors Uranium and plutonium 1 of 8 What is nucleus fission? The splitting of a nucleus 2 of 8 Why are uranium and pluonium used for nucleut fission? Because they have a large nucleus so therefore splits easily 3 of 8 What do uranium and plutonium have to absorb for nucleur fission? A neutron 4 of 8 What is a chain reaction in nuclear fission? When the energy released from one nuclei splittiong passes on energy, splitting others further down the line 5 of 8 What do the sun and stars use to release energy? Nusleur fusion 6 of 8 What are stars formed from? Massive clouds of gas and dust in space which is pulled together by gravity 7 of 8 What causes a star to begin a nucleur reaction? When the gas falls together it becomes hot, starting a nucleur reaction. The energy released keeps the star hot 8 of 8
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