Across
- 2. dense when shaken
- 4. made up by small particles
- 5. how things change and move
- 6. like hot
- 8. is the amount of matter
- 10. water, oil, etc
- 12. the appearance
Down
- 1. amount of space taken up
- 3. anything that takes up space
- 7. hot or cold
- 9. something hard and holds it shape
- 11. an air-like substance