Across
- 2. Anything that has mass and takes up space
- 9. Energy needed to turn an object from a liquid to a gass
- 10. Amount of force matter pushes on space
Down
- 1. Matter that makes up 99% of the universe
- 3. All objects slightly expand when heated
- 4. Atoms are spread apart, medium energy
- 5. Atoms are tightly packed, low energy
- 6. An object's mass divided by it's volume
- 7. Energy needed to turn an object from a solid to a liquid
- 8. Atoms are very spread out, high energy