Across
- 2. When a solid becomes a liquid
- 4. Solid straight to gas
- 5. A phase where the molecules only vibrate
- 7. When a gas goes directly to a liquid
- 8. When liquid becomes a solid
- 9. A phase where the molecules are free
Down
- 1. A phase where the molecules can flow
- 3. When a liquid becomes a gas due to heat
- 6. When a gas becomes liquid due to temp. drop