What happens to objects when they are heated?
They expand
Heat always moves from _____ to ______
hot:cold
a material DOES NOT easily allow heat to pass through.
insulator
Which substance expands when cooled and contracts when heated? (The opposite of what normally happens.)
water
A form of energy caused from the random motion of the molecules in the substance.
heat
What happens to objects when they are cooled?
They contract
a material that easily allows heat to pass through.
conductor
Heat moving through liquids and gases.
convection
Heat moving through electromagnetic waves
radiation
Heat moving by directly touching another object.
conduction