Plate Boundary Crossword

123456789
Across
  1. 4. form at divergent boundaries
  2. 6. molten rock that is housed in the mantle
  3. 7. currents in the upper mantle that allow the plates to move.
  4. 8. one plate slides under the other one
  5. 9. form at convergent boundaries where one plate is denser than the other
Down
  1. 1. move toward each other and collide
  2. 2. when two plates slide past each other going opposite directions
  3. 3. moves away from each other forming a gap between the two plates
  4. 5. most common at transform boundaries
  5. 6. form at convergent boundaries where both plates have the same density