Earths interior and processes

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Across
  1. 4. Layer of rock that forms Earths outer surface
  2. 5. Layer of molten iron and nickel that surrounds the inner core of earth
  3. 7. Plate boundary where two plates move away from each other
  4. 8. Fault where hanging wall slides upwards
  5. 10. A type of fault where the hanging wall slides downwards
  6. 13. in the earths mantle caused by density changes
  7. 16. Theory that all the continents were once joined together
  8. 18. Hot solid material between earths crust and core
  9. 19. Molten material adds new oceanic crust
  10. 22. Rigid layer of upper most part of the mantle and crust
Down
  1. 1. Stress that squeezes the rock until it folds or breaks
  2. 2. Stress that stretches the rock so that it becomes thinner in the middle
  3. 3. Plate boundary where plates move toward each other
  4. 6. Break or crack in earths lithosphere that rocks move along
  5. 9. Theory that pieces of earths lithosphere are in constant motion
  6. 11. Dense sphere of solid iron and nickel
  7. 12. Plate boundary where two plates move past each other
  8. 14. Single landmass that broke apart 225 million years ago
  9. 15. Type of fault where rocks move past each other side ways
  10. 17. Block of rock that forms upper half of a fault
  11. 20. Oceanic crust sinks beneath a deep oceanic trench and back into th mantle
  12. 21. Block of rock that forms the lower half of a fault