Across
- 3. ridge an underwater mountain system .
- 4. two sections of earths plates are sliding past each other.
- 7. waves passing through earth.
- 8. of plate tectonics a theory that says that continents are separated.
- 10. a hill/mountain formed by a circulation of magma that's pushes up and erupts.
Down
- 1. sections of the earth’s plates that collide.
- 2. two sections of earth plates are moving away from each other.
- 5. floor spreading a process that occurs in mid-ocean.
- 6. land that has been elevated by folding.
- 9. basin A geological basin found in the sea.