Earth Layer Review

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Across
  1. 2. the type of waves that earthquakes make
  2. 4. idea that the crust moves in pieces
  3. 7. completely liquid metal
  4. 9. the largest section of earth
Down
  1. 1. how much mass per unit of volume
  2. 3. completely solid metal, under pressure
  3. 5. made out of solid rocks/minerals
  4. 6. heat cycled through liquids or gas
  5. 8. found in the mantle and volcanoes