Carbon Cycle
Across
- 1. Formed when carbon dioxide dissolves in water, known in the form of its salts and esters
- 4. Process by which the surface of the earth is worn away by the action of water, glaciers, winds, waves, etc
- 9. A change in form from one stage to the next in the life of an organism
- 11. A flammable gas obtained from natural gas
- 14. Movement of gases occurring both from the atmosphere into the oceans nd from the oceans into the atmosphere
- 17. Any organism capable of caring for itself by using inorganic materials as a source of nutrients
- 18. The matter that settles to the bottom of a liquid
- 19. Name for carbon held within the soil
Down
- 1. A white powder, mainly used for cleaning teeth or cement
- 2. Releases energy captured and stored within the plant
- 3. An organism requiring organic compounds for its main source of food
- 5. A change in the earths climate
- 6. Fossil composed of primarily carbon
- 7. Process which carbon dioxide, water, and organic salts are converted into carbs
- 8. Any combustible organic material, as oil, coal, or natural gas, derived from the remains of former life
- 10. The part of the earths crust that supports life
- 12. To clear forests or trees
- 13. When an organism dies and is broken down into the soil
- 15. Heating caused by short-wave solar radiation being readily transmitted inward through the earth's atmosphere
- 16. A gas in the atmosphere and formed during respiration from carbs
- 20. Organic matter used as a fuel for plants