Generating electricity 0.0 / 5 ? PhysicsElectricityGCSEAQA Created by: Sam EvansCreated on: 23-05-14 20:22 Give three examples of biofuels Ethanol, methane and nutshells 1 of 11 Why do hydroelectric power stations have to be built in hilly areas? the water must fall from a height to transfer gravitational potential energy to kinetic energy 2 of 11 Give three situations in which energy can be obtained from water to produce electricity Energy can be obtained from falling water, waves and the tides 3 of 11 What is a fossil fuel? A fuel that is obtained from long-dead biological materials 4 of 11 Where does geothermal energy come from? Heat in rocks deep below the Earth's surface 5 of 11 What is a solar cell? A solar cell is a device that produces electricity directly from energy from the Sun 6 of 11 What is a solar heating panel? A solar heating panel is a device that produces electricity directly from the sun 7 of 11 Are renewable or non-renewable energy sources the most reliable? Non-renewable resources are most reliable 8 of 11 What are the disadvantages of using fossil fuels in power stations to produce electricity? The emit CO2 that can cause global warming and SO2 that can cause acid rain 9 of 11 What colour are the pipes in a solar heating panel usually painted? Black 10 of 11 State three advantages of geothermal energy Renewable, free and does not produce polluting gases 11 of 11
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