Plate Tectonics

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Across
  1. 4. North America and Eurasia when all continents were a single landmass
  2. 8. layer of the upper mantle
  3. 10. two plates come together
Down
  1. 1. the outer part of the earth includes crust and mantle
  2. 2. two plates pull apart
  3. 3. hot melting rock in the mantle
  4. 5. valley in the ocean
  5. 6. one plate goes underneath the other
  6. 7. created by two plates rubbing against each other
  7. 9. two plates rub together