Across
- 3. Someone who studies earthquakes
- 5. To do with earthquakes
- 6. Molten rock material within the earth from which igneous rock is formed through cooling
- 7. The distance of any point east or west of the Prime Medridian, measured up to 180 degrees
- 8. The study of forces within the earth that form its surface features such as mountain ranges and ocean basins
- 9. The distance of any point north or south of the equator, measured up to 90 degrees
- 11. Rock changed from its original form into another form through heat and pressure
- 13. The natural and undisturbed plants of a region
- 16. Rock that has been formed by the solidification of molten material
- 18. A great sea wave produced by an earthquake or by a volcanic eruption
- 19. The interior part of the earth that lies directly above the core
- 20. Solid rock underneather looser materials such as soil
Down
- 1. A natural fuel formed by geological forces from the residue of living organisms
- 2. Rock made up of sediment laid down in layers which have grown together
- 3. A long region with a trench through which a descending tectonic plate is assimilated into the earth's mantle
- 4. A slab of the earth's crust
- 10. A measure of the power of earthquakes
- 12. A type of sedimentary rock that originates by the evaporation of sea water
- 14. Having to do with geology, the study of the history of the earth found in rocks
- 15. The shape of the land
- 17. The earth's surface directly above the quake-the middle of the quake