Across
- 3. When atoms are in this state of matter, they fly around freely.
- 6. The molecules ____ with each other or with the walls of the container.
- 8. If the temperature of a gas increases, the volume will ______.
- 9. The amount of matter something contains is its ______.
- 11. Force exerted on or against an object by something in contact with it.
Down
- 1. The amount of space that matter takes up is its ____.
- 2. Matter is made of ______ that are constantly moving.
- 4. Matter that has a definite shape and volume is in this state.
- 5. The measure of the average energy of random motion of the particles of matter.
- 6. Liquid matter takes the shape of its _____.
- 7. If the pressure of a gas increases, the volume will _______.
- 10. The _______ of a solid does not change.