Astronomy Lesson

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Across
  1. 5. Tectonic plates slide aqainst eachother
  2. 8. The second layer of the Earth
  3. 9. The liquid layer of the Earth that sits above the core
  4. 11. The layer of Earth that has a high electric charge
  5. 12. Tectonic plates move away from eachother
  6. 13. Lowest atmospheric layer
  7. 14. The outermost layer of the Earth
  8. 16. Heat energy escapes from Earths interior to cooler region
Down
  1. 1. Atmospheric layer that goes up to 50 km
  2. 2. sorting major components of a planet by its density
  3. 3. Tectonic plates move towards eachother
  4. 4. Giant pieces of the Earths crust and upper mantle that slowly shift
  5. 6. Layer that absorbs ultraviolet radiation from the sun
  6. 7. The solid, compressed layer of the earth made of mostly iron
  7. 8. The third layer of the atmosphere which is directly above the Stratosphere
  8. 10. Proposed the continental drift theory
  9. 15. The plate with the most oceanic crust will push under another