Earth surface plate tectonics
Across
- 2. long chains of undersea mountains
- 3. an ancient supercontinent
- 4. valley formed on the ocean floor due to collision plates
- 7. continents move around on Earth’s surface
Down
- 1. lithospheric plates move over this
- 3. how the pieces of Earth’s surface move
- 5. the process of lithospheric plate sinking into mantle
- 6. a lithospheric plate that forms floor of the ocean