A/B 1st 2020 Vogel

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Across
  1. 1. The gas form of water in the water cycle which is a greenhouse gas
  2. 3. The most common gas in the atmosphere
  3. 5. The layer of atmosphere between the stratosphere and the thermosphere
  4. 6. The layer that protects us from the sun's harmful rays
  5. 8. The process where the Earth traps heat close to the surface
  6. 10. A combination of the words "smoke" and "fog" that occurs with large amounts of burning coal in the atmosphere
  7. 12. Gases such as carbon dioxide, water vapor, methane, and ozone in the atmosphere
  8. 13. This is on the periodic table and stays in the environment as dust, and is very dangerous and harmful to our atmosphere
  9. 16. This is what humans breathe out that plants use to make nutrients
  10. 17. This is another pollutant that is very harmful and contributes directly to the making of smog
  11. 20. The layer where all weather occurs
  12. 22. To make dirtier or not clean
  13. 24. The uppermost layer between the exosphere and the mesosphere
  14. 25. The second most common gas which is made from photosynthesis
Down
  1. 2. Energy that can me remade faster than it can be used/destroyed
  2. 4. The layers of air that surround the Earth
  3. 7. Natural fuels that are from remains from living organisms
  4. 9. The continuous cycle of carbon atoms through respiration and photosynthesis
  5. 11. This pollutant effects the number of greenhouse gases in the air and can cause global warming
  6. 14. This is a chemical reaction that occurs when sulfur dioxide and nitrogen oxides are released into the air
  7. 15. The last layer of the atmosphere next to space
  8. 18. The lower part of the thermosphere
  9. 19. a very flammable hydrocarbon which is a greenhouse gas
  10. 21. The layer of the atmosphere that is above the troposphere
  11. 23. Rising global temperatures that are due to increasing pollution