Earth's Atmosphere

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Across
  1. 7. very hot, gases absorb high energy radiation
  2. 8. the force that pulls things down to the Earth
  3. 9. zone of life
  4. 10. temperature is high as you go up, ozone layer is located here
  5. 11. densest layer, weather takes place here
  6. 14. water
  7. 15. the distance from the Earth's surface
  8. 16. surrounds Earth, a mixture of gases
Down
  1. 1. crust and mantle
  2. 2. the weight of air molecules pressing down on Earth
  3. 3. 20% of the Earth's atmosphere is made up of this
  4. 4. the reason the Earth stays warm
  5. 5. gravity is weak, outermost layer
  6. 6. 75% of the Earth's atmosphere is made up of this
  7. 12. middle layer, space rocks and meteors are found here
  8. 13. water as gas