Across
- 4. a low-land region formed from plates separating
- 5. earth forces that build geological landscapes
- 8. when two tectonic plates move apart
- 9. how the earths outer shell is split up into a jigsaw puzzle type form
- 10. theorized the continetial drift
- 11. when one tectonic plate moves under another
- 12. when two tectonic plates move together
- 14. the creation of new oceanic crust at mid-ocean ridges
Down
- 1. how tectonic plates move
- 2. the earth before the continental drift happened
- 3. the outermost layers of earth, consisting of the crust, & the upper mantle
- 6. when two tectonic plates move apart
- 7. earth forces that remove geological landscapes
- 9. the theory that everything stays the same throughout time
- 13. a long narrow pit