Earth's Interior

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Across
  1. 2. the thick middle layer in the solid part of Earth
  2. 4. Dense oceanic plate slides under Less dense continental plate
  3. 5. this is the force that moves the tectonic plates
  4. 12. plastic layer within the mantle
  5. 14. dense metallic center of Earth
  6. 16. When the denser plate sinks below the more buoyant plate
  7. 18. Neither plate is subducted, the Lless dense plate folds and deforms and mountains are formed
  8. 19. a rigid layer including the crust and the uppermost mantle
  9. 20. boundaries that Forms where two tectonic plates slide past each other
  10. 22. solid portion of the core
  11. 23. Supercontinent that has broken apart over time
  12. 24. forms near the edge of a continent at an ocean to continent boundary
Down
  1. 1. liquid portion of the core
  2. 3. outer part of the magnetic field that affects the charged particles
  3. 6. Earth’s surface is made of rigid slabs of rock, or plates, that move with respect to each other
  4. 7. Scientist that researched whether all the continents had always been in the same place on Earth
  5. 8. basalt is rich in this mineral
  6. 9. brittle, rocky outer layer
  7. 10. The process by which new oceanic crust forms along a mid-ocean ridge and older oceanic crust moves away from the ridge
  8. 11. hypothesis that the continents are in constant motion on the Earth’s surface
  9. 13. rock that makes up the ocean floor
  10. 15. boundaries that Form where two tectonic plates separate
  11. 17. boundaries that form Where two plates collide
  12. 21. Very long mountain ranges in the middle of the oceans