Across
- 4. - what is beyond the atmosphere?
- 7. - produced during photosynthesis
- 8. - warm air rises, cool air sinks
- 10. - how do cool gas molecules move?
- 11. - most dense layer in the atmosphere
- 13. - where do the auroras form?
- 14. - Coldest Layer in the atmosphere
- 15. - traps heat in the atmosphere
- 18. - auroras take place in ________ altitudes
- 19. - When the Van Allen Belts get ______ auroras form.
- 21. - weather takes place in ______ altitudes
- 23. - what the ozone layer blocks
- 24. - happens in the thermosphere, also known as polar lights.
- 25. - most common gas in the atmosphere
Down
- 1. - created during the process of burning fossil fuels
- 2. - the process of carbon naturally interchanging between the lithosphere, biosphere, hydrosphere, and atmosphere
- 3. - two doughnut-shaped zones of highly charged particles
- 4. - has the ozone layer
- 5. - layer within the thermosphere
- 6. - air pressure _______ as altitude increases
- 9. - how do warm gas molecules move?
- 12. - change in temperature with distance
- 16. - heat source for the stratosphere
- 17. - how far does the exosphere go out?
- 20. - fuel made from natural resources
- 22. - hottest layer in the atmosphere