Front

Matter:

Back

has mass and takes up space

Front

Particles in a solid

Back

Very close and vibrate

Front

Particles in a liquid

Back

flow around each other

Front

Gas particles

Back

Bounce around

Front

Matter is made of unseen particles

Back

True

Front

Heat removal from solid

Back

Particles move more slowly

Front

Heat added to solid

Back

Melting: solid to liquid

Front

Heat added to liquid

Back

Evaporation: liquid becomes gas

Front

Heat added to gas:

Back

Particles move more quickly.

Front

Heat removal from gas

Back

Condensation: gas to liquid