Across
- 3. change from a liquid to a gas
- 5. a material with physical properties
- 7. amount of matter in a substance
- 10. a statement of what is expected to happen
- 11. change from a gas to a liquid
- 12. a measure of the heat or energy of a substance
- 13. change from gas to a solid directly
- 15. state of matter with no fixed shape or volume
- 16. a representation to help describe an idea
- 19. a tiny piece of matter including atoms and molecules
- 20. ability to do work eg heat
Down
- 1. a state with fixed shape and volume
- 2. state of matter with a fixed volume but not shape
- 4. decrease in size
- 6. having a lot of matter in a small space
- 8. amount of space a substance takes up
- 9. change from solid to a liquid
- 14. change from a solid to a gas directly
- 17. change from a liquid to a solid
- 18. when bubbles begin to appear in a liquid being heated