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Physics Vocabulary 2
Science
| Question | Answer |
|---|---|
| energy | the ability to do work or cause change |
| potential energy | stored energy that results from the position or shape of an object |
| elastic potential energy | the energy of stretched or compressed objects |
| kinetic energy | energy an object has due to its motion |
| gravitational potential energy | potential energy that depends on the height of an object |
| mechanical energy | kinetic or potential energy associated with the motion or position of an object |
| thermal energy | the total potential and kinetic energy of particles in an object |
| electrical energy | the energy if electrical charges |
| chemical energy | the potential energy stored in chemical bonds |
| nuclear energy | the potential energy stored in the nucleus of an atom |
| electromagnetic energy | the energy of light and other forms of raiation |
| energy transformation | the process of changing from one energy form to another |
| law of conservation of energy | the rule that energy cannot be created or be destroyed |
| temperature | the measure of the average kinetic energy of the particles of matter |
| absolute zero | the temperature at which no more energy can be taken from matter |
| conduction | the transfer of heat from one particle of matter to another |
| convection | the transfer of heat by the movement of currents within a fluid |
| radiation | the transfer of energy by electromagnetic waves |
| conductor | the transfer of heat from one particle of matter to another |
| insulator | a material that does not conduct heat well |
| melting | the change from a solid to a liquid |
| freezing | the change from a liquid to a solid |
| evaporation | vaporization that occurs at the surface of a liquid |
| boiling | vaporization that occurs below the surface of a liquid |
| condensation | the change from a gas to a liquid |
| thermal expansion | the expansion of matter when it is heated up |
| law of universal gravitation | the force of gravity acts between all objects in the universe |