4 pages matching engine in this book
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What is Energy?
Where Do We Get Energy?
3 other sections not shown
amount of energy atomic nuclei attic avoid wasting energy boiling British thermal unit BTU's Multiply Calories cardboard chemical energy collar cook cules earth's energy resources eggs elec electrical energy electrons energy changes energy consumption Energy involved Energy merit badge energy needed energy shortage energy transformations energy we need engine ergy example fission form of energy fossil fuels fusion gallons gases gasoline heat energy hydrogen insulation keep Kilowatt-hour kind of energy Kinetic molecular theory light energy liquid mass match materials molecules moving muscles natural gas neutrons nuclear energy Nuclear fission nuclear reactions numbers Oceania plants points pollution POWER STATION Solar problems protons provide the energy questions radio reaction reserves 1976 estimates rubber band score sion solar energy box solve steam storm windows sun's energy supplies of energy tables and graphs temperature thermostat is set things timate trons turbines water power World