Plate Tectonics
Across
- 2. theory where all of Earth's land was a supercontinent
- 8. when 2 plates _____, mountains are formed
- 9. causes the mantle to melt deep in the Earth
- 10. petrified remains of prehistoric dead organisms
- 13. Earth's surface cracked into large pieces
- 14. a sudden shaking of the ground
- 15. a flat dishes for food; tectonic ____
- 17. piece of the ____
- 18. movement of plates away or toward each other
- 19. make a change in form or appearance
- 20. Alfred ___, first proposed Pangaea
Down
- 1. a dividing line that marks a border
- 3. when two plates move away from each other
- 4. a small bowl used for water
- 5. land formations created by convergence
- 6. thickest layer of the Earth
- 7. mountains that erupt
- 11. Pacific or Atlantic
- 12. outermost shell of Earth
- 16. solid, outer part of the Earth