Vocabulary Review (Plate Tectonics, Earthquakes, Volcanos)

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Across
  1. 2. magma that reaches the earth's surface
  2. 7. a plate boundary where plates slide horizontally
  3. 8. the instrument used to record earthquakes
  4. 10. a plate boundary where plates move toward each other
  5. 13. the fastest seismic wave that goes through everything
  6. 14. the name of the rock material that form during an eruption
  7. 15. a movement of the ground caused by plate movement
  8. 16. magma that is light and has feldspar and silica
  9. 18. the sudden return of rock to its normal shape
  10. 20. the point on the surface directly above the focus of an earthquake
  11. 23. areas along a fault where few earthquakes happen
  12. 24. a giant ocean wave that forms from an earthquake or eruption under water
Down
  1. 1. a large circular crater that forms when all the magma leaves a volcano
  2. 3. an area what is volcanically active but not near a plate boundary
  3. 4. the layer of rock underneath the lithosphere
  4. 5. the exact location of an earthquake inside the earth
  5. 6. a plate boundary where plates move away from each other
  6. 9. magma that is dark and has magnesium and iron
  7. 11. a vent/fissure where gases and magma come out from
  8. 12. the amount of damage caused by an earthquake
  9. 13. the theory that explains continent movement
  10. 17. the upper part of earth's crust
  11. 19. the secondary seismic wave that only goes through solids
  12. 21. the strength of an earthquake (ground motion)
  13. 22. liquid (melted) rock produced inside the earth
  14. 23. the name of the slowest seismic waves that cause the most damage