Across
- 2. the movement of Earth around the sun
- 4. all the planets and objects that orbit the sun
- 6. water in its solid state
- 8. the path a planet folows around the sun
- 10. the center of our solar system
- 11. the process plants use to make their own food using sunlight
- 12. water in its gas state
Down
- 1. a change in matter that cannot be reversed
- 3. the force that pulls objects toward Earth
- 5. a tool used to see very small objects
- 7. the energy we get from the sun
- 9. the largest planet in our solar system