Across
- 1. when particles from the sun hits earth's magnetic field and makes the sky colorful.
- 5. third highest layer, where meteors burn up
- 7. The place we live on
- 9. The thing we breathe in.
- 10. rain, snow, ice that falls from the sky
- 11. closest to the earth.
- 13. second highest layer, contains ozone layer.
- 14. a rock floating in space
Down
- 2. 5 layers around the earth
- 3. line- marks the altitude where traditional aircraft can no longer effectively fly.
- 4. 4th highest layer, contains the Aurora borealis.
- 6. layer- absorbs some of the sun's ultraviolet radiation.
- 8. It happens in the Troposphere and it happens every day.
- 12. Top layer.
- 13. the big ball that heats up Earth