Across
- 4. Vapours which have a smell
- 5. the gas form of a liquid
- 8. the temperature at which a liquid becomes a gas
- 10. occurs when gases are heated to extremely high temperatures
- 12. amount of matter in a substance, usually measured in kilograms
- 13. the temperature at which a solid becomes a liquid
- 14. pourable and able to change shape
- 15. energy of motion or moving objects
- 16. how much space an object takes up
Down
- 1. spontaneous spreading out of a substance through a liquid or gas
- 2. anything that has mass and volume
- 3. theory that all matter is made up of very tiny particles
- 6. When a substances changes state, from a solid to a gas without becoming liquid
- 7. branch of science that deals with matter and changes that take place within it
- 9. can expand freely and fill available space
- 11. firm and stable