Across
- 3. a measure of compactness
- 4. moles cula
- 8. the study of properties, matter and energy
- 10. this happens when metal heats up
- 11. the study of physics, chemistry, biology and earth
- 12. that which makes up a phisycal object
- 13. this happens when a liquid is heated
- 15. a large mass or quantity
Down
- 1. _______ are incompressable and are spread out with gravity
- 2. not a liquid or a gas but a s_______
- 5. this happens when a gas is cooled
- 6. sounds like maths
- 7. a substance which does not have a shape or form
- 9. this happens when metal cools
- 14. this makes things expand