HeatVocabulary Preview

frictionA force that occurs when one object

rubs against another object

heatThe flow of thermal energy from warmer objects to cooler objects

Thermal energyThe energy of moving particles in matter

temperatureA measure of how hot or how cold something

is

thermometerA tool that is used to measure

temperature

ConductionThe movement of heat within a solid or

from one solid to another

convectionThe way heat moves through liquids and

gases

radiationThe movement of energy by waves

insulatorAny material that does not allow heat to

pass through it easily

conductorAny material that allows heat to move

through it easily

Solar energyEnergy from the sun