Continental Drift

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Across
  1. 2. spreading apart
  2. 5. the way that scientists think the earth used to be like millions of years ago
  3. 6. the layer of the mantle under the tectonic plates
  4. 7. a tectonic plate under water, usually thinner
  5. 9. the earth is divided into 15 of these
  6. 10. sliding past each other
Down
  1. 1. where a thinner tectonic plate goes under a thicker one
  2. 3. coming together
  3. 4. hot magma rises and cool magma falls
  4. 8. large ditches formed by convergent boundaries