Plate tectonics

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Across
  1. 3. the theroy that pieces of Earth's lithosphere, called plates, move around on top of the asthenosphere
  2. 6. the type of plate boundary where the two plates move TOWARD each other
  3. 8. the process in which new oceanic crust is created at mid-ocean ridges as the older crust moves away
  4. 9. a depression in the ocean floor formed when a plate sinks through a subduction zone and bends
  5. 10. what Wegener named the ancient supercontinent
Down
  1. 1. the process where old oceanic plates sink into the mantle as seafloor spreading occurs
  2. 2. the continents move slowly across Earth's surface in a process called
  3. 4. the type of boundary where the plates slide past each other
  4. 5. the type of plate boundary where the two plates move AWAY from each other
  5. 7. movement of Earths lithosphere that occurs when rocks in earths