plate tectonics

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Across
  1. 3. Alfred Wegnerthis theory
  2. 5. liquid part of the earth
  3. 7. to plates come together
  4. 8. if it shifts it can cause an earthquake
  5. 9. the action of compressing
Down
  1. 1. they move past each other
  2. 2. the thickest part of the earth
  3. 3. what we live on
  4. 4. the inside of the earth
  5. 6. hardness,toughness,brittleness,ext.