Across
- 6. Liquid changing into a gas at the surface
- 7. Ability of an object to float in a fluid
- 12. Features of a substance such as colour or density
- 14. State with no fixed shape or volume
- 15. Temperature where a solid becomes a liquid
- 16. State with fixed shape and volume
- 17. Tiny piece of matter
- 18. Mass per unit volume
Down
- 1. Measure of how hot or cold something is
- 2. Gas changing into a liquid
- 3. Temperature where a liquid becomes a gas
- 4. Theory that matter is made of moving particles
- 5. Liquid changing into a solid
- 8. Gas changing into a liquid by cooling or pressure
- 9. Matter with a uniform composition
- 10. Force that makes a liquid surface act like a skin
- 11. Basic building blocks of matter
- 13. State with fixed volume but no fixed shape