States and Behavior of Matter

cooling

taking heat energy away from a substance

heating

adding heat energy to a substance

temperature

describes the kinetic energy of atoms (how fast they are moving)

solid

a state of matter that has a definite shape and volume

gas

a state of matter that takes both the shape and volume of its container

liquid

a state of matter that has a definite volume but takes the shape of its container (variable shape)

matter

anything that has mass and takes up space

state of matter

a form that matter can take such as solid, liquid, or gas

kinetic energy

the energy an object has due to its motion