Earth Layers Crossword

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Across
  1. 2. The process of heating and then rapidly cooling, making air circle in a clockwise rotation.
  2. 3. Largest layer of the Earth
  3. 5. Most dense layer, is made of iron and nickel.
  4. 6. What geologists use to learn about the Earth's layers.
  5. 8. Only liquid layer, is made of iron and nickel.
Down
  1. 1. Under the lithosphere and holds part of the plate tectonics.
  2. 4. Above the asthenosphere but under the crust, holds all the plate tectonics.
  3. 7. Least dense layer of the Earth.