Plate tectonics

1234567
Across
  1. 3. occurs what accurs at divergent boundaries
  2. 6. collides together
  3. 7. rocks are broken as the plates grind against each other
Down
  1. 1. when one plate is more dense
  2. 2. divides apart
  3. 4. molten rock, housed in the mantle
  4. 5. when two plates slide past each other