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brunsonsvocab15
physical science
Question | Answer |
---|---|
energy | the ability to do work |
heat energy | the energy of moving particles in a substance; also called thermal energy |
convection | the movement of heat energy through liquids and gases in currents |
radiation | the movement of energy through space as waves |
temperature | the average speed of the particles in a substance |
potential energy | energy that is stored in an object |
kinetic energy | the energy of motion |
friction | the force between two surfaces rubbing against each other |
sound energy | a form of energy produced by vibrating objects |
light energy | a form of energy that travels in waves and can move through empty space where there is no air |