Across
- 7. The process in which liquid turns into gas
- 8. The process of gas turning into liquid
- 9. The release of gas or radiation
- 10. Fuel made of fossils
- 14. A gas that takes up 78% of the Earth's atmosphere
- 15. The cause of Global warming by greenhouse gases
- 17. All the water on the Earth's surface
- 19. The time between glaciations
- 22. Ice covering land for a long time
- 23. A layer of soil that never rises over the freezing point
- 24. Formed from the breakdown of organic matters
- 26. The current condition of the atmosphere
- 27. Opposite of shortwave
- 28. A extreme event that caused drought in parts of Australia
Down
- 1. All of life that is formed on Earth
- 2. Fuel made of organic matters
- 3. The long term weather conditions
- 4. cycle The process of recycled Carbon
- 5. The masses of land on Earth
- 6. The process in which plants use to create their own food
- 11. The radiation of a wave length from 800 nm to 1 mm
- 12. The act of clearing tree and forests
- 13. The circulation of the ocean's flow caused by changes in the density
- 16. A system created by the interaction between organisms and their environment
- 18. The energy which comes from Sun
- 20. A source in which can be renewed
- 21. The layer of gases that covers Earth
- 25. dioxide What we humans breathe out