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Science - Energy

Energy Transformations and Thermal Energy End Unit Study Guide

TermDefinition
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
Created by: shellyleftwich