Across
- 3. this happens when heat rises and cold air sinks, creating a circular effect
- 8. the overall conditions of an area
- 9. the bottom layer of the atmosphere
- 11. layer that stops meteors and meteorites
- 12. water parts of Earth
- 13. the increase in world wide temperatures
- 16. the ___effect happens when heat builds up due to too much carbon dioxide
- 17. the movement of heat and energy outward due to waves
- 19. the most dangerous greenhouse gas (we breathe it out)
- 20. living sphere of Earth
- 21. type of pollution that we can actually see where it comes from
Down
- 1. the air____ is the highest near the surface
- 2. the second layer of the atmosphere from the surface
- 4. the stratosphere is also called the _layer
- 5. gases and air around the Earth
- 6. makes up 78% of the atmosphere
- 7. top layer of the atmosphere
- 10. also called lithosphere, solid Earth
- 14. type of pollution that we cannot see the actual source or origin
- 15. makes up around 20% of atmosphere and we breathe this
- 18. the day to day conditions of an area