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Unit 5 key terms
Question | Answer |
---|---|
energy resources | things that provide energy |
energy conservation | the process of using energy wisely so it will not be used up |
thermal energy | the total energy of a substances' particles due to their movement also the energy of motion in the molecule |
radiant energy | energy transmitted by electromagnetic waves such as X-rays, visible light, heat, and radio waves |
chemical energy | energy released from chemical changes or reactions such as photosynthesis or respiration |
electromagnetic energy | energy produced by electromagnets that can travel through space such as X-rays, visible light, heat and radio waves |
coal | a solid fossil fuel formed from plant remains |
oil | a thick, black liquid fossil fuel |
natural gas | a mixture of methane and other gases that come from fossils |
nuclear energy | energy obtained from the nucleus of an atom |
renewable energy | energy that is naturally replaced in a relative short time |
biomass | the living or formally living material in an ecosystem |
wind power | the use of wind to turn a turbine to generate energy |
hydroelectric power | energy produced by the flowing of water |