Plate Tectonics

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Across
  1. 2. make a dramatic change in the form or appearance
  2. 4. the very hot, very dense center of our planet
  3. 6. the outermost shell of our planet
  4. 7. moving in different directions from a common point
  5. 8. hot fluid below or within the earth's crust
  6. 9. the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate
Down
  1. 1. a mountain or hill, with a crater or vent through which lava can be erupted from the earth's crust
  2. 3. to move toward one point or to approach each other
  3. 4. the final transfer of energy to the surface
  4. 5. a sudden and violent shaking of the ground that sometimes causes great destruction