Across
- 3. what you are no longer allowed to have out
- 5. long parallel ridges and ____
- 6. rugged and has irregular topography
- 10. Hawaii forms with this kind of volcanism
- 12. rubbery layer of the upper mantle that the plates float on
- 14. how many seismographs to the epicenter of an earthquake
- 15. created by folding and faulting, valley and ______
- 17. paper where earthquake vibrations are recorded
- 18. thinest layer of the earth
- 20. point of origin of an earthquake
- 21. area of rolling hills
- 22. center of the Earth
- 23. plates move toward each other
- 24. plates move away from each othere
- 25. plates slide past each other
- 26. primary waves
- 28. thickest layer of Earth
Down
- 1. Old supercontinent
- 2. area of VA we live in
- 4. the focus but on the surface
- 7. South America and Africa fit together like 2 _____ pieces
- 8. these currents move the plates around
- 9. ancient remains of dead animals found on different continents
- 11. shaking of Earth
- 13. this layer is the plates themselves
- 16. secondary waves, don't travel through liquid
- 19. form when 2 continental plate crash into each other
- 27. forms at a convergent boundary if it involves an oceanic plate