Across
- 3. – Puffy cloud that looks like cauliflower
- 5. – Water that soaks underground
- 12. – Thin gray cloud that may bring rain
- 14. – The coldest layer of the atmosphere
- 16. – Hottest layer where the ISS orbits
- 17. – Reversal of normal temperature pattern in the atmosphere
- 18. – High-altitude cloud made of ice
- 20. – Underground water source tapped by wells
- 22. – The top boundary of the troposphere
- 23. – Process that makes the sky look blue
- 25. – Layer responsible for auroras
- 27. – The outermost layer of the atmosphere
- 29. dioxide – Gas used by plants in photosynthesis
- 30. – Layer where gases are not well mixed
Down
- 1. – Second most abundant atmospheric gas
- 2. Payeng – Indian man who planted a forest
- 4. – Low, gray blanket-like cloud
- 6. – Percentage of Earth’s water in oceans
- 7. – Layer where meteors burn
- 8. – Gas that makes up about 78% of air
- 9. – River that carries the most water
- 10. – Massive body of moving ice
- 11. – Layer where most weather happens
- 13. – All frozen water on Earth
- 15. – Type of non-salty water found in rivers and lakes
- 19. – General term for all water on or near the Earth
- 21. – Where river meets ocean
- 24. – Towering cloud that brings thunderstorms
- 26. – Layer with concentrated ozone
- 28. – Tool used to get water from underground aquifers