Across
- 4. hot liquid that forms in volcanoes.
- 6. a mountain that has a crater for magma to flow out of it.
- 8. transfers heat through air.
- 10. changes the rocks shape or volume.
- 11. pushes rock in opposite directions.
- 12. transfers heat through water.
- 15. a break in earth crust which causes rock to move.
- 17. new material that forms the ocean floor.
- 19. a super continent founded by Alfred Wegener.
- 20. a process where rock sinks back into the mantle.
Down
- 1. a border between 2 plates.
- 2. come together
- 3. where subduction occurs
- 5. a scientist whos idea was rejected for his theory of the pangea.
- 7. pulls apart
- 9. under water volcanoes
- 13. a theory that says the continents slowly drifted away.
- 14. hot liquid that flows out of the volcano.
- 16. transfers heat through touch or physical contact.
- 18. rub against each other.