Unit 2: The Lithosphere

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Across
  1. 2. The movement of broken rock
  2. 4. Fault type caused by tension at divergent boundaries
  3. 7. Continents used to be joined in this massive supercontinent
  4. 8. Molten rock UNDERNEATH the Earth's surface
  5. 10. In a _________ zone, a dense oceanic plate is forced downwards into asthenosphere
  6. 12. In slab pull, the subducted plate in pulled down by the force of ________
  7. 13. The breaking down of rock
  8. 14. The point of an earthquake underground where rock begins to separate
  9. 16. Type of rock formed when layers of particles are pressed together
  10. 18. Mechanical Energy = Potential Energy + ______ Energy
  11. 23. Pressure and ______ are the two forces driving the rock cycle
  12. 24. Fault caused by shearing at transform boundaries
  13. 25. Plate boundary where two plates move apart
  14. 26. Two convergent continental plates often rsult in _________
  15. 30. Fault type caused by compression at convergent boundaries
  16. 31. The point of an earthquake directly above the focus on the surface where energy radiates in all directions
  17. 32. Earth's heat source
Down
  1. 1. The scale using caller description of an earthquake to estimate magnitude; it is more subjective
  2. 3. Plate boundary where two plates come together
  3. 5. All volcanoes have a magma _______ underneath the Earth's surface
  4. 6. Molten rock that has broken ABOVE the Earth's surface
  5. 9. Type of rock formed through heat and pressure
  6. 11. Continuous physical force exerted on or against an object by something in contact with it (Think the textbooks)
  7. 15. Sediments, soil, and rocks are added to a landform or landmass
  8. 17. The scale using S- and P- wave measurements to calculate epicenter distance
  9. 19. In mantle convection, hotter magma _______(rises/sinks)compared to cooler magma
  10. 20. This type of volcano is very steep, made of tephra, and contains a large network of vents
  11. 21. Molten layer of rock between the crust and mantle allowing Earth's plates to move
  12. 22. Earth's uppermost layer
  13. 27. Plate boundary where two plates move in opposite directions, scraping against each other
  14. 28. Type of rock formed when lava or magma cools
  15. 29. This type of volcano has gentle side with low slope
  16. 30. In _______ push, magma pushes through the Earth suface and the newly formed rock pushes older rock away from the plate boundary