Across
- 2. particles charged by solar radiation
- 4. the distance above sea level
- 6. bright light displays near the poles
- 8. also known as a shooting star
- 12. the air that surrounds our planet
- 14. this protects us from UV radiation
- 15. the outermost layer extending into space
- 16. the layer where all weather happens
Down
- 1. the rubbing of objects creating heat
- 3. these you would find orbiting in thermosphere
- 5. the hottest layer where you feel cold
- 7. this traps charged particles and guides a compass
- 9. the gas in our atmosphere we need to live
- 10. the layer containing the ozone
- 11. the main gas of our atmosphere
- 13. the layer where meteors can be seen