Across
- 4. The peak ... is the largest increase in velocity
- 6. An area of rock that has been bent by stress
- 9. An instrument that records the acceleration of the ground during an earthquake
- 10. Rock formed by accumulation or deposition
- 11. Any attempt to deform a solid
- 12. A form of stress produced by a force that acts to stretch a material
- 14. The top layer of the earth
- 15. The middle layer of earth
- 16. The layer after the outer core
- 21. Sub marine mountain ridges where new seafloor is created by seafloor spreading
- 22. Compare the size of earthquakes
- 23. Earth sciences that combines aspects of geology and physics
- 24. mountain formed by plate tectonics filled with magma
- 26. A sudden violent shaking of the ground
Down
- 1. Theory that the configuration of earth's continents was once different than it is today
- 2. Where plates slide sideways from each other
- 3. The breaking down of rocks and minerals
- 5. A region of extremely high pressure underlying the lithosphere
- 7. Measures and records details of earthquakes
- 8. The belief of a one continent earth
- 11. A depression in Earth's crust
- 13. Rock having solidified from lava or magma
- 17. The recording of the acceleration of the ground during an earthquake
- 18. A split between two bodies/plates that were once joined
- 19. An abbreviation used by earth scientists, meaning "million years"
- 20. tectonics Slab of solid rock composed of both continental and oceanic lithosphere
- 25. A dark coloured igneous rock