Across
- 1. evaporates off of leaves and water sources
- 4. the layer of the atmosphere with the ozone layer
- 5. we breathe it out and can be produced by the burning of fossil fuels
- 9. something that humans use for transportation that emits CO2
- 12. the growing of plants and animals that can end up in giving off methane gases
- 14. the temperature does this in the thermosphere
- 15. becomes lower as you move out in the layers of the atmosphere
- 16. the bottom layer of the atmosphere, the layer with weather
- 18. the layer in the atmosphere without a limit
- 21. hottest layer of the atmosphere
- 22. any living thing on Earth is made of this
- 24. coal, petroleum, and natural gas
- 25. comes from livestock, agriculture, and landfills
- 26. the Earth heating up because of greenhouse gases
Down
- 2. the heatsource for the troposphere
- 3. industrial tool that manufactures products but emits pollution
- 6. the layer in the thermosphere that makes the Aurora Borealis
- 7. makes the atmosphere have the perfect temperature but too much can overheat the Earth
- 8. the product of photosynthesis
- 10. the layer where meteorites burn in the atmosphere
- 11. the temperature does this in the troposphere
- 13. harmful rays from the sun that can cause sunburn
- 17. the heat source for the thermosphere
- 19. the most abundant atmospheric gas, it makes up 78% of the air
- 20. comes from clouds and falls from the sky to Earth's surface
- 23. the layer inside the stratosphere that protects the Earth from UV rays