Earth environmental crossword puzzle

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Across
  1. 2. The movement of heat in the mantle
  2. 4. The outer most layer of the earth
  3. 8. When 2 tectonic plates move towards each other
  4. 9. When 2 tectonic plates are moving away from each other
  5. 10. a rigid part of the earth being between or consisting of the mantle and crust
Down
  1. 1. when 2 tectonic plates slide against each other going opposite ways like they were grinding against one another
  2. 3. A liquid layer of the earth close to the last one being pure liquid of iron and nickel
  3. 5. Large slabs or rock or earth diving the continents
  4. 6. A purely solid layer of the earth being the most bottom one consisting of iron and nickel
  5. 7. The layer under the crust being the largest layer as for it is 84% if earth