Inside the Earth

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Across
  1. 4. Thin solid outermost layer of the earth.
  2. 6. A driving force of tectonic plates.
  3. 8. Mass over volume.
  4. 9. Layer of mantle containing tectonic plates.
  5. 10. What causes the tectonic plates to move?
  6. 12. The transfer of heat through things that are not touching.
  7. 13. Solid ball at the center of the earth
  8. 15. Layer that contains three layers that make up most of earths mass.
Down
  1. 1. Earths land mass before continental drift.
  2. 2. Solid layer of the mantle that extends to the core.
  3. 3. Layer of solid rock that flows very slowly, located inside mantle.
  4. 4. Transfer of heat through touching objects.
  5. 5. Tectonic ____________ cause earthquakes.
  6. 7. What kind of plates cause earthquakes?
  7. 11. Liquid layer of the earth.
  8. 14. Our home planet.
  9. 15. Moleten material beneath earths crust.