Plate Tetonics

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Across
  1. 5. when two tectonic plates crash into each other
  2. 8. when two plates going in the opposite direction rub against echother
  3. 9. pieces of the Earths crust that are separated
  4. 10. when an old plate cracks and magma spills out creating new crust
Down
  1. 1. _____________ make tectonic plates move
  2. 2. when one plate is forced under another
  3. 3. what part of the Earth are convection currents
  4. 4. the scientists that discovered tectonic plates
  5. 6. molten rock that is in the mantle
  6. 7. ________ are form by the overlap of two plates