Across
- 3. stated the idea of seafloor spreading
- 5. where plates move together
- 7. a downward fold in rock
- 10. the section of the mantle that bends like putty
- 14. the most common rock in oceanic crust
- 15. where plates move apart
- 16. a bend in rock that forms from compression
- 17. an upward bend in rock
- 18. the crust and the rigid part of the mantle
Down
- 1. stated the hypothesis of continental drift
- 2. a system that uses sound to determine distance
- 4. a liquid's resistance to flowing
- 6. where plates slide past one another
- 7. a stress the causes rock to slide pass each other
- 8. a stress that squeezes rock
- 9. a break in earth's crust where movement has occurred
- 11. a stress that stretches rock
- 12. when one plate sinks beneath another plate
- 13. the property of having poles