Layers of the earth

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Across
  1. 2. Made up of mostly magma
  2. 4. nickle
  3. 5. the earths atmosphere
  4. 7. Made up of iron and nickel.
  5. 9. are a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.
  6. 10. rigid outer part of the earth, consisting of the crust and upper mantle
  7. 11. is what we stand on
Down
  1. 1. the rigid outer part of the earth, consisting of the crust and upper mantle.
  2. 3. a hot dense ball of iron at the center of the earth
  3. 6. iron
  4. 8. degree of consistency measured by the quantity of mass per unit volume.