Plate Tectonics Revision

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Across
  1. 1. a type of current in which hot material rises and cold material sinks
  2. 3. a type of plate boundary where two plates collide into each other
  3. 5. a type of plate boundary where one plate sinks under another
  4. 6. The theory which states that the Earth's plates move about over time
  5. 8. the theory which states that the Earths surface is broken into plates
  6. 10. when a rock platform splits and either slips or is pushed up
  7. 11. Thickest layer of the Earth, sits between the outer core and the crust
Down
  1. 2. can erupt effusively or explosively and are produced by tectonic activity
  2. 4. tremors which are produced by movement of the Earths tectonic plates
  3. 7. the preserved remains of prehistoric living things
  4. 9. Thin layer of rock on the surface of the Earth