Across
- 4. liquid that spews from earth's crust
- 5. An euruption coming from out of the earth's crust
- 7. The planet we live on
- 8. Outer most shell of earth
- 10. A natural elivation of earth's surface connected
- 12. the spreading apart of tectonic plates
- 13. A natural elevation of the earth's surface
- 14. When convection currents occur and magma spews
- 15. Super contient that consisted of all the contients
- 16. Downword and side ways movement of a plate
- 17. Heat source of convection currents
- 18. The space inbetween mountains
Down
- 1. Behind the crust
- 2. A sudden or violent shaking of the ground, normally caused by the earth's crust
- 3. An extened break in the body of a rock
- 6. may be caused by earthquake
- 9. bottom of sea
- 10. the process of being moved
- 11. Middle of atlantic ocean
- 13. How long and hard an earthquake lasts
- 16. for prorection from earthquakes, or volcanoes