Across
- 3. Unpredictable patterns on rock
- 4. Found of the theory of PANGEA
- 8. Sun->Earth->Moon
- 9. 4.6 Bill
- 11. Hardness of a mineral(scale)
- 13. Jupiter,Saturn,Uranus,Neptune
- 15. 170 Mil years old, denser
- 17. Mercury,Venus,Earth,Mars
- 18. Slow cooling, big crystals
- 20. Fast cooling, small crystals
- 22. Tectonic plates push against each other
- 23. Early,Middle,Late
Down
- 1. perpendicular to the direction of travel
- 2. 4 Bill years old, holds most of Earths History
- 5. Thickest layer of earth
- 6. Caused by moon rotation
- 7. Tectonic plates pull away
- 10. Longitudinal compression waves\
- 12. Sun->Moon->Earth
- 14. separation of Earth's layers
- 16. Hollow cavity in rock left after organism dissolved away
- 19. Distance between sun and earth(unit)
- 21. Plates slide past each other
- 22. Predictable break in rock(pattern)