Across
- 5. the theory that says the Sun is in the middle of the solar system
- 7. can neutralize alkali
- 8. the solid state of water
- 10. the biggest star in the solar system
- 11. the part of the plant that helps it to photosynthesis.
- 12. formed by pressure or heat
- 13. particles only vibrate
Down
- 1. energy from your breakfast
- 2. the science guy
- 3. can be attracted by magnets
- 4. the theory that says Earth is in the middle of the solar system
- 6. comes from a volcano
- 9. the only metal that is a liquid in room temperature