Across
- 4. Lines on topographic map
- 6. Labeled lines
- 7. Landmass that broke apart 200 years ago
- 8. Sediment is dropped into new locations
- 9. Land when it joins the sea
- 11. Rip in earths crust
- 13. Land above sea level
- 14. Plates slide past each other
- 16. Two plates move towards each other
- 17. Sinks below continental plate
- 18. Large ancient land mass
Down
- 1. Scientist -sea floor spreading
- 2. Sediment carried to new locations
- 3. Long narrow depression on sea bottom
- 5. Divided plate that slowly moves on top of the asthenosphere
- 10. German meteorlogist
- 12. Rocks broken down
- 14. Shows elevation of crustal features
- 15. magma forced upward toward the surface