Across
- 3. The amount of matter that makes up an object
- 6. Heat can be _________ or removed
- 9. Matter changes state when the ______ changes.
- 12. Particles are packed tightly together
- 14. Gas changing to a liquid
- 15. A ball of burning gas
Down
- 1. Liquid changing to a gas
- 2. Clouds are made of water _______.
- 4. Solid, liquid and gas are the three main ______ of matter
- 5. Solid changing to a liquid
- 7. Particles are loose, slide passed each other
- 8. Particles are spread out and move quickly
- 10. Anything that takes up space
- 11. Liquid changing to a solid
- 13. The amount of space an object takes up