science word puzzle

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Across
  1. 3. rock below Earth's surface
  2. 4. currents in the mantle caused by the magma being heated by the core of the Earth that moves the tectonic plates
  3. 5. earth is made up of which are constantly moving along above the mantle
  4. 10. tectonic plates the site at which an oceanic plate is sliding under a continental plate forming volcanoes
Down
  1. 1. going up and down
  2. 2. are found in the mantle and cause the tectonic plates of the lithosphere to move
  3. 6. forces colliding together
  4. 7. fracture in the earth's crust quick movement here can lead to Earthquakes
  5. 8. idea, Alfed Wegner
  6. 9. forces pulling away from each other