evaporation	Liquid changing into gas
condensation	Gas changing into liquid
freezing	Liquid changing into solid
melting	Solid changing into liquid
precipitation	Water falling from clouds
collection	Water gathering in rivers, lakes, or oceans
water vapor	Water in its gaseous state
temperature	A measure of how hot or cold something is
solid	A state with a fixed shape and volume
liquid	A state with a fixed volume but no fixed shape