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Year 4
Unit 7: Energy - Coggle Diagram
Year 4
Unit 7: Energy
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Sources of Energy
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Biomass
organic substances from plants or animal faeces used to produce fuel and generate electricity (animal faeces / waste from firewood and plants)
Sun
:star: main source of energy
:star: plants use sunlight to make food
:star: sun provides heat and light energy
:star: energy from the sun is used to generate electricity by the use of solar panels
Sources of Energy
Geothermal
:star: energy derived from the heat of hot rocks beneath the surface of Earth.
:star: the heat is used to rotate the turbine to generate electricity
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Sources of Energy
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Fossil fuels
Fossil fuels such as petroleum, natural gas, and coal are burned to generate electricity