Energy Works – TheWorksheets.CoM – Page 2

Energy Works KS2 Resource Pack - CEES

energy’ or ‘green power’ because it does not pollute the air or water. • Non-renewable energy sources are those that cannot be replaced once they are used, such as the _ _ _ _ _ _ fuels oil, natural gas and coal. Most of our electrical energy comes from burning non-renewable energy sources. Non-renewable energy sources also cause pollution.