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Question | Answer |
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Energy | the ability to do work |
Kinetic energy | the energy of motion |
Thermal energy | the average kinetic energy due to the motion of the atoms in a substance |
temperature | the measure of how hot or cold something is a measure of the average kinetic energy of the particles of an object |
thermal expansion | an increases in the size of a substance in response to an increase in the temperature of the substance |
electrical energy transfer | when an electrical source is connected in a complete circuit to an electrical device |
electromagnetic waves | light waves that transmits energy through matter or empty space |
mechanical energy | when objects push or pull on each other |
thermal energy transfer | when a worm object is in contact with a cooler one |
heat | the transfer of thermal energy between objects that are different temperatures |
thermal equilibrium | the point at which two objects that are touching reach the same temperature |