Matter
has weight and takes up space
What is matter
molecules are stuck together
what is a solid
when a liquid becomes a solid
what is freezing
the smallest unit of matter
molecules spread all apart
what is a gas
when a solid becomes a liquid
what is melting
Two or more atoms
what is a molecule
molecules are close but move around
what is a liquid
when rain becomes snow
what is freezing
what is matter
steam that happens when you boil water
what is a gas