Earth

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Across
  1. 4. This effect helps making the Earth much warmer than it would be without an atmosphere.
  2. 6. layer of gas that surrounds Earth.
  3. 8. Where planes fly.
  4. 9. hurricanes, lightning and thunderstorms, hail, flooding, and tornadoes.
  5. 10. the thinnest layer
Down
  1. 1. Go up to 50 kilometers from the Earth.
  2. 2. harmful radiation from the sun.
  3. 3. The top of this is the coldest place on Earth.
  4. 5. The temperature can be very high in this layer
  5. 7. a force which holds the gases close to Earth