Making use of Energy

change from a solid to a liquid

change from a liquid to a gas

change from a gas to a liquid

change from a liquid to a solid

heat transfer in a solid caused by particles colliding (bumping into each other)

heat transfer in a liquid and gas caused by changes in density

Heat transfer that does not require particles.

A shape where there are opposite side and angles are equal

Objects that are free to move through a material (mainly metals)

An object that allows electricity or heat to pass through it.