Tectonic plates

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Across
  1. 4. forms where two plates separate
  2. 5. a supercontinent that contained all of Earth´s continents about 225 million years ago
  3. 6. the layer of the earth between the crust and the core
  4. 7. forms where two plates slide past each other
  5. 9. the rigid outer part of the earth, consisting of the crust and upper mantle.
  6. 10. The partially melted layer of the mantle on which pieces of the lithosphere floats and moves
Down
  1. 1. the theory that Earth´s continents slowly move across Earth´s surface over time
  2. 2. forms where two plates collide
  3. 3. pieces of the earth´s crust and lithosphere that move around on top of the asthenosphere
  4. 8. when a denser plate sinks below a less dense plate