Across
- 4. tiny particle
- 7. principle of matter
- 9. how hot or cold something is
- 10. physical objects are made of it
- 11. how matter is conserved in nature
- 13. scientist who studies matter
- 14. unit of length
Down
- 1. characteristic of matter
- 2. how much matter is in an object
- 3. a unit of measurement
- 5. how much space something occupies
- 6. unit of volume
- 8. unit of temperature
- 12. how long something is