Across
- 1. Oceanic plate sliding under a continental plate
- 4. Valleys formed during a divergent boundary
- 6. Molten rock
- 7. Pulling apart boundary
- 8. Harry Hass's idea
- 9. A boundary that is sliding past one another
- 10. Moving together boundary
Down
- 2. Moves the plates
- 3. Formed in a subduction zone
- 5. Originally came up with the idea of plate tectonics