Across
- 3. an extremely small particle that all matter is made of
- 5. a continuous physical force exerted on or against an object by something in contact with it
- 7. the amount of matter present in an area
- 10. a tiny amount of matter
- 11. the condition in which something is in at any one time
- 12. the amount of space that a substance occupies
- 14. something that doesn't have a fixed shape but also cannot be compressed
Down
- 1. any substance that has a mass and a volume
- 2. the change of state from gas into liquid
- 4. the amount of matter in any physical shape
- 6. the change of state from gas into solid
- 8. the change of state from liquid into gas
- 9. the change of state from liquid into solid
- 11. the change of state from solid into gas
- 13. something that has a fixed shape and cannot be compressed