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friction a force that occurs when one object rubs against another object
thermal energy the energy of moving particles in matter
temperature a measure of how hot or cold something is
thermometer a tool that is used to measure temperature
conduction the movement of heat within a solid or from one solid to another
conductor any material that allows heat to move through it easily
convection the way heat moves through liquids and gases
insulator any material that does not allow heat to pass through it easily
radiation the movement of energy by waves
solar energy energy from the sun
heat flow of thermal energy from warmer objects to cooler objects
Created by: singlett76