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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 |