Across
- 7. How much of the universe is matter?
- 9. Tool used to measure volume.
- 12. The pull of gravity on an object or organism.
- 13. The amount of space an object or organism takes up.
- 16. The part of the universe that is not matter.
- 18. The major source of energy in the solar system.
- 19. Place where mass and weight are equal.
- 20. Something energy can do to matter.
- 21. Basic SI unit for measuring length.
Down
- 1. Formed from a chemical reaction.
- 2. The force that pulls objects together
- 3. Anything that has mass and volume.
- 4. Something energy makes happen to matter.
- 5. Everything in the __________ is either matter or energy.
- 6. Tool used to measure mass.
- 8. Basic SI unit for measuring mass.
- 10. Distance from one point to another.
- 11. Cannot be broken down into simpler substances.
- 14. Basic SI unit for measuring volume.
- 15. The amount of matter in an object or organism.
- 17. Something energy can make matter do.