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Science - Energy
Energy Transformations and Thermal Energy End Unit Study Guide
Term | Definition |
---|---|
Thermal (Heat) Energy | energy from heat packs or the result of digesting food |
Radiant (Light) Energy | energy from the sun (solar energy) |
Electrical Energy | energy from electricity |
Chemical Energy | energy from a battery, food break down, decaying organisms, burning of fossil fuels (coal, oil and natural gas), using and ethanol from corn decomposition |
Mechanical Energy | energy from winding or turning something, ex: wind-up clock, or rubber band |
Nuclear Energy | fission-nuclear reactor, fusion - Sun |
Law of Conservation of Energy | states that energy can neither be created nor destroyed it only changes form |
Temperature | Measure of kinetic energy of molecules |
Thermal Energy | Measurement related to the quantity of molecules |
Conduction | The transfer of heat by direct contact between objects or particles |
Convection | Heat transferred by the movement of molecules within a substance |
Radiation | Heat transferred through space |
Thermal energy moves | F rom warmer to cooler objects |
Thermal Equilibrium | Heat flows from warmer objects to cooler objects until all objects attain the same temperature |