What does energy mean ?, the ability to do work, wind, heat, water, what is hydro power?, chemical energy, energy in moving water, light, heat, what does potential energy mean ?, mass and position, watching tv, the sun, playing, what does solar energy do?, wind power, gives us electricity by the sun’s rays, sun, wind energy, how do we use energy?, by working, sound of the radio, ball, clouds, what is geothermal energy?, the heat under the earth, wind, power, heat energy, how does solar power give us electricity?, biomass, wind and heat, The sunlight hits the solar panels and that gives us electricity., water, what is biomass?, grass, renewable organic material that comes from plants and animals, plastic, natural resources, what is greenhouse effect?, petrol, any type of gas, gasoline, is the way in which heat is trapped close to the surface of the Earth by "greenhouse gases.

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