Across
- 1. it's when the ocean rise and falls
- 3. extremely high tides
- 6. regular tides
- 7. orbits the earth
- 9. solar energy can provide this
- 10. force that pulls objects to the center
Down
- 1. tools scientists use to study space
- 2. sun and planets
- 4. terrestrial planets
- 5. star
- 8. cold planets
- 9. orbits the sun