Earth Interior

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Across
  1. 2. – All the living organisms on Earth
  2. 3. – One of the metals found in Earth's core
  3. 7. – The innermost layer of Earth, divided into inner and outer layers
  4. 9. – The layer of Earth below the crust
  5. 11. – All the water on Earth
  6. 12. – Scientists study this to learn about Earth's interior
  7. 13. – Waves geologists study to understand Earth's interior
  8. 14. – The Kola _______ Borehole is the deepest drill hole ever made
Down
  1. 1. – Earth's overall _______ is higher than the crust, indicating a dense core
  2. 4. – Another metal found in Earth's core
  3. 5. – The outermost layer of Earth
  4. 6. – Rigid outer layer that includes both the crust and the uppermost mantle
  5. 8. – The thin layer of air surrounding the Earth
  6. 10. – Solid layer beneath the lithosphere that can flow