Across
- 3. Hard to compress as the particles are close together
- 9. Gas to liquid
- 11. Solid to gas or gas to solid
Down
- 1. Amount of matter in an object
- 2. Liquid to gas
- 4. Liquid to solid
- 5. The particles slide past each other, hard to compress
- 6. Solid to liquid
- 7. Takes up space and has a mass
- 8. The 4th state of matter
- 10. The particles move fast, and is easy to compress