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