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A ________ is a substance that provides a form of energy sucha s heat, light. electricity, or motion as a result of a chemical change.
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Fuel contains stored chemical energy, whuch can be released by burning. The process of burning a fuel is called _______________.
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ATS-Science 6
Energy
| Question | Answer |
|---|---|
| A ________ is a substance that provides a form of energy sucha s heat, light. electricity, or motion as a result of a chemical change. | FUEL |
| Fuel contains stored chemical energy, whuch can be released by burning. The process of burning a fuel is called _______________. | COMBUSTION |
| The combustion of _________ converts the stored chemical energy into thermal energy which converts into mechanical energy that moves a car. | GASOLINE |
| The energy stored in fuels can be used to generate ______________ . Power plants generate this by converting ________ from one form to another. | ELECTRICITY, ENERGY |
| In the furnace, fuel is burned, releasing ______ energy.This energy is used to boil water and make steam. The mechanical energy of the moving steam turns the blades of the ______. The turbine turns the shaft of the generator,producing an electric _______. | THERMAL, TURBINE, GENERATOR |
| _____, _______, and ________ ____ are three major fossil fuels. | COAL, OIL, NATURAL GAS |
| Energy rich chemical compounds that contain carbon and hydrogen atoms are called ____________. Fossil fuels contain hydrocarbons, which release more energy than other substances when they are buned. | HYDROCARBONS |
| A solid fossil fuel formed from plant remains is ____. | COAL |
| Coal has to be removed from the ground, or _____. Known deposits of coal and other fossil fuels that can be obtained using current technology are called _______. Coal is the most plentuful fossil fuel in the United States. | MINED, RESERVES |
| When oil is first pumped out of the ground, it is called _____ ____. Crude oil is then sent to a ________ or factory to process by heating. Crude oil is refined not only to make gasoline and heating oil , but also many different products. | CRUDE OIL, REFINERY |
| Compounds that are made from oil are called ______________. This is used in plastics, paints,medicines and cosmetics. | PETROCHEMICALS |
| _______ ___ is a mixture of methane and other gases from the same organisms as petroleum or oil. Natural gas often rises above an oil deposit forming a pocket of gas in the rock. | NATURAL GAS |
| Natural gas produces large amounts of ______, but lower levels of air __________ than coal or oil. It is also highly _________. | ENERGY, POLLUTANTS, FLAMMABLE |
| Fossil fuels are __________ _________ which means that they are not replaced as they are used. New sources of energy are needed to replace decreasing fossil fuel reserves. | NONRENEWABLE RESOURCES |
| _____ ______ is energy from the sun and the sun constantly gives off energy in the form of _____ and ____. | SOLAR ENERGY |
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