Tectonic Plates Puzzle

123456789
Across
  1. 6. Move toward eachother
  2. 7. Causes earthquakes
  3. 9. Causes the plates to move
Down
  1. 1. Move away from eachother
  2. 2. Solid ball of solid iron and nickel
  3. 3. Shoots out of a volcano
  4. 4. Shoots out hot lava and magma
  5. 5. Liquid iron and nickel
  6. 8. Earths largest layer
  7. 9. Humans live on this