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EVAN VOYK
Chapter 15 Vocabulary
Term | Definition |
---|---|
gravitational potential energy | potential energy that depends on an object's height. |
elastic potential energy | the potential energy of an object that is stretched or compressed. |
mechanical energy | the energy associated with motion and position of everyday objects. |
thermal energy | the total potential and kinetic energy of all microscopic particles in an object. |
chemical energy | the energy stored in chemical bonds. |
electrical energy | the energy associated with electrical particles. |
electromagnetic energy | a form of energy that travels through space in the form of waves |
energy | the ability to work. |
kinetic energy | the energy of motion. |
potential energy | the energy stored depending on position or shape. |
nuclear energy | the energy stored in atomic nuclei. |
energy conversion | the process of changing energy from one form to another. |
nonrenewable energy sources | exist in limited quantities and cannot be renewed except over the course of millions of years. |
fossil fuels | oil, natural gas, and coal. |
renewable energy sources | resources that can be replaced in a relatively quickly. |
hydroelectric energy | energy obtained from flowing water. |
solar energy | sunlight converted into usable energy. |
geothermal energy | thermal energy beneath the 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 use energy more efficiently. |