Across
- 3. Liquid changing to a gas
- 4. The ball of burning gas that sustains life on earth
- 6. Anything that has weight and takes up space
- 7. ____ does not exist. It is the absence of heat.
- 8. Solid changing to a liquid
- 10. Solid, liquid and gas are the three ____ of matter.
- 14. In a _____ change, a new substance is formed.
- 15. Heat can be ____ or removed.
- 16. The amount of matter that makes up an object
- 17. Particles are loose and can slide passed each other.
Down
- 1. Liquid changing to a solid
- 2. When no new substance is formed its a _____ change.
- 5. Clouds are made of water ____.
- 9. Particles are spread out and move freely.
- 11. Matter changes state when the _____ is changed.
- 12. Particles are tightly packed together.
- 13. Gas changing to a liquid