Energy - Science Revision 0.0 / 5 ? SciencePhysicsGCSENone Created by: ACosgroveCreated on: 19-05-17 12:01 What are the 8 types of energy? Light, Kinetic, Gravitational Potential, Sound Energy, Electrical, Chemical, Heat, Elastic 1 of 17 How do you calculate power? Energy transformed (joules) / Time (seconds) 2 of 17 What units are used to measure power? Watts 3 of 17 How do you calculate energy used? Power x Time 4 of 17 What are the units for energy? Joules 5 of 17 What does an energy efficient light bulb do? Makes more light energy and less heat energy 6 of 17 What are the wasted energy transfers with a television? Heat 7 of 17 Name 11 sources of energy (ways of generating electricity) Solar, wind, geothermal, hydrogen, tidal, wave, hydroelectric, biomass, nuclear, fossil, coal 8 of 17 What are the energy transfers involved in a coal power station? this energy is transfered in heat and stored in water in steam 9 of 17 Name three alternative energy sources wind, solar and geothermal 10 of 17 What are the advantages of using fossil fuels to generate electricity? Produces a lot of energy 11 of 17 What are the disadvantages of using fossil fuels to generate electricity? Increases global warming 12 of 17 What are the advantages of using solar power to generate electricity? Cheap 13 of 17 What are the disadvantages of using solar power to generate electricity? There isn't always sunlight 14 of 17 What causes global warming? Climate change 15 of 17 Name two greenhouse gases Carbon dioxide, sulphur dioxide 16 of 17 Give three examples of climate change Icecaps melting, temprature rising and sea levels rising 17 of 17
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