Socials 10 Chapter 3 Crossword Puzzle

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