Across
- 2. : a naturally occurring substance having a fixed chemical composition
- 4. : rocks that have been changed by heat and pressure
- 8. :an opening on the the earth’s crust through which magma flows out
- 11. : the point in the earth’s crust where the earthquake is most felt
- 12. : crust , mantle , core
- 14. : is a movement of tectonic plates which causes vibration in the in the earth’s crust
- 15. compressional waves that are longitudinal in nature
- 17. : forces that originate from the earth’s crust
- 18. : accumulation of sediments
- 21. : Sial and sima
Down
- 1. :forces that originate from inside the earth’s crust
- 3. : silicon And aluminum
- 5. : point of origin of an earthquake
- 6. : magma to igneous to sedimentary to metamorphic
- 7. : inner core , outer core
- 9. : solidification of magma
- 10. : sheer waves that are transverse in nature
- 13. : silicon and magnesium
- 16. waves : a surface wave that haves a horizontal motion that is transverse
- 19. : asthenosphere
- 20. the direction the waves is traveling .
