Across
- 3. A cycle that shows the continuous movement of water within the Earth and atmosphere
- 4. a clean alternative to methane, also known as natural gas
- 6. any body of water found on Earth's surface
- 8. a non-metal that sits just below nitrogen in group 15 of the periodic table
- 13. the evaporation of water from a plant's leaves, stem, or flowers
- 15. the process of combining, mixing, or filling with nitrogen or one of its compounds
- 16. colourless, odourless,tasteless gas
- 17. a chemical element with an atomic number of 8
Down
- 1. the loss or removal of nitrogen or nitrogen compounds
- 2. describes how carbon moves between the atmosphere, soils, living creatures, the ocean, and human sources.
- 5. conversion of a substance from the solid to the gaseous state without its becoming liquid.
- 7. water that exists underground
- 9. when a liquid turns into a gas
- 10. the process where water vapor becomes liquid
- 11. an element that takes the solid form of either graphite or diamond
- 12. the biogeochemical cycle by which nitrogen is converted into multiple chemical forms
- 14. any liquid or frozen water that forms in the atmosphere and falls back to the earth
