A | B |
thermal energy | energy of the movement of the particles that form an object |
heat | the flow of energy from warmer matter to cooler matter |
temperature | the measure of how fast an object's patricles are moving |
radiation | energy that can travel through empty space |
convection | flow of energy that occurs when a warm liquidor gas rises |
insulator | a material that does not conduct heat or electricity well |
conduction | the flow of heat energy from one molecule to the next |
expand | to become larger in size |
pyrometer | a device that measures very high temperatures |
contract | to become smaller in size |