Phase Changes and States of Matter

Matter that has no definite shape, but has a definite volume.

• Solid
• Liquid
• Gas

Matter that has a definite shape, and a definite volume.

• Solid
• Liquid
• Gas

Matter that has no definite shape, nor volume.

• Solid
• Liquid
• Gas

Molecules are far apart and are in constant motion.

• Solid
• Liquid
• Gas

Molecules change position easily and slide past one another.

• Solid
• Liquid
• Gas

Molecules move, but they only vibrate in place.

• Solid
• Liquid
• Gas

When heat is added, this state melts into a liquid and the molecules speed up.

• Solid
• Liquid
• Gas

When heat is added, this state evaporates into a gas and the molecules speed up.

• Solid
• Liquid
• Gas

When heat is added, it remains in this state, it just becomes hotter and the molecules speed up

• Solid
• Liquid
• Gas

When heat is taken away, this state condenses into a liquid and the molecules slow down.

• Solid
• Liquid
• Gas