Across
- 2. a big rock in space
- 4. the most equal days of the year
- 6. when the moon changes shape
- 9. the longest and shortest day of the year
- 12. big slabs of rock floating on the mantle
- 13. when the moon's/sun's gravity pulls water up or down
- 14. when a celestial body covers another celestial body
Down
- 1. the theory that earths tectonic plaates move
- 3. where tectonic plates meet
- 5. when the sun is covered by the moon
- 7. a supercontinent
- 8. when the moon is covered by the earth
- 9. highest high tide and lowest low tide
- 10. the man who discovered continental drift
- 11. lowest high tide and highest low tide