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zach smith 2
Review 7
| Question | Answer |
|---|---|
| absorption | the capture of light energy by a substance |
| chemical energy | energy contained in the chemical bonds between substances |
| conduction | a form of heat transfer in which heat moves through a substance |
| conservation of energy | the physical law stating that energy cannot be created or destroyed |
| convection | motion of a heated material due to gravity and differences in density |
| electrical energy | the flow of electrons among atoms in a substance that conducts electricity. |
| electromagnetic energy | energy consisting of electromagnetic waves |
| energy | the ability to generate a force that does work |
| heat energy | the from of energy arising from the motion of all the particals in a system. |
| joule | the unit of work and energy. |
| kinetic energy | energy that arises from an objects motion |
| mechanical energy | energy that can move objects through contact |
| nonrenewable resource | a resource that humans use more quickly then nature can replace |
| nuclear energy | energy that comes from the nucleus of an atom |
| potential energy | energy that results from an objects position |
| radiation | energy that is emitted in the form of waves or particles |
| reflection | the change in the direction of a wave as it bounces off a surface |
| refraction | the change of direction of a wave caused by a change in speed |
| renewable resource | a resource that is replaced through natural cycles |
| solar energy | energy that comes from the sun |
| wavelength | the distance between identical parts of a continuous wave |
| work | the energy needed to move something a certain distance |