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Chp15Vocab_Ernst
Term | Definition |
---|---|
energy | Ability to do work |
kinetic energy | The energy of motion |
potential energy | The energy that is stored as a result of position or shape |
gravitational potential energy | Potential energy that depends upon an object's height |
elastic potential energy | The potential energy of an object that is streched or compressed |
mechanical energy | The energy associated with the motion and position of everyday objects |
thermal energy | The total potential and kinetic energy of all the microscopic particles in an object |
chemical energy | The energy stored in chemical bonds |
electrical energy | The energy associated with electric charges |
electromagnetic energy | A form of energy that travels through space in the form of waves |
nuclear energy | The energy stored in atomic nuclei |
energy conversion | The process of changing energy from one form to another |
nonrenewable energy resources | Exist in limited quantities, once used can't be replaced for millions of years |
fossil fuels | Oil, natural gas, and coal |
renewable energy resources | Resources that can be replaced in a short time period |
hydroelectric energy | energy obtained by flowing water |
solar energy | sunlight that is converted to usable energy |
geothermal energy | thermal energy beneath earths surface |
biomass energy | the chemical energy stored in living things |
hydrogen fuel cell | generates electricity by reacting hydrogen with oxygen |
energy conservation | finding ways to use less energy or to use less energy more efficiently |