Across
- 3. type of force that squeezes rocks
- 4. opening of Earth's crust where volcanic materials released
- 7. the fastest surface wave
- 10. solid, dense core of the Earth
- 13. tectonic plate beneath the Ring of Fire
- 14. outermost layer of the earth
- 15. layer of the Earth that can be deform because of the heat
- 16. German meteorologist
- 17. fracture on the Earth's crust
- 19. who studies earthquake and maps the Earth's structure
- 24. measure of the energy released by an earthquake
- 25. theory of Alfred Wegener
- 26. bending of rocks layers forming mountains
Down
- 1. boundary where 2 plates move away
- 2. a slab or block of rock that moves
- 5. supercontinent
- 6. boundary between two colliding plates
- 7. rigid layer of the earth composed of crust and upper mantle
- 8. point on the crust directly above the focus
- 9. bowl-shaped depression at the top of volcano
- 11. process where dense plate sinks underneath
- 12. boundary at which two plates slide past each other
- 18. large ocean waves caused by underwater earthquakes
- 20. layer between the crust and the core
- 21. point where seismic energy is first released
- 22. liquid core of the Earth
- 23. force that pulls rocks apart