Across
- 4. - Caused by the phases of the moon
- 7. -keeps us on the ground
- 10. - has a fixed shape
- 11. - something that causes seasons
- 12. - they are in the states of matter
Down
- 1. - doesn't have a fixed shape
- 2. -a community of interacting particles
- 3. - the thing that measures force
- 5. - the earth goes around the sun
- 6. - static
- 8. - attracts
- 9. - doesn't have a fixed shape