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Unit 4
Temperature, Thermal Energy, and Heat Notes
Term | Definition |
---|---|
kinetic theory of matter | states that all of the particles that make up matter are constantly in motion. |
Temperature | a measure of the average kinetic energy of all the particles in an object. |
Degrees | equally spaced units between two points. |
thermometer | an instrument used to measure temperature. |
Celsius scale | uses units called Degrees Celsius. |
Fahrenheit scale | uses units called Degrees Fahrenheit. |
Kelvin scale | uses units called Kelvins. |
Thermal energy | the total kinetic energy of all particles in a substance. |
Heat | the energy transferred from an object at a higher temperature to an object at a lower temperature. |
Conduction | the transfer of energy as heat from one substance to another through direct contact. (HINT: Warming a pot on the stove.) |
Convection | the transfer of energy as heat by the movement of a liquid or gas. (HINT: Hot water cooking macaroni noodles.) |
Radiation | the transfer of energy by electromagnetic waves. (HINT: Sitting in the hot sun getting a tan.) |