1. Abiotic Cycles

2. Water Cycle
Water exists in the ocean (75%), rivers, lakes streams, underground aquifers, and the atmosphere.
The water cycle is the how water moves between these places.
5 ways

3. Evaporation
water returns to the atmosphere from lakes, rivers, oceans, etc in the form of vapor. 

4. Transporation
water returning to the atmosphere in the form of vapor from plants

5. Condensation
Water vapor becomes liquid in
the form of clouds

6. Precipitation
Liquid water from clouds falls back to earth as rain, sleet, snow, or hail

7. Run Off
Water from precipitation flows back into lakes, rivers, streams, ocean, etc.

8. Carbon Cycle
Carbon cycles from the atmosphere to organisms and back

9. Photosynthesis
Plants use carbon in carbon dioxide from the atmosphere to make glucose.

10. Cell Respiration Consumers get carbon from glucose by eating plants.
Consumers then use the glucose to make ATP and carbon is returned to the atmosphere as carbon dioxide.

11. Fossil Fuels
When organisms die, their bodies have trapped carbon in them.
They eventually decay into petroleum
When we burn petroleum based fossil fuels (gas, oil) we release the trapped carbon as carbon dioxide.

12. Nitrogen Cycle
Nitrogen cycles from the atmosphere into the ground, into organisms, and back.
We use nitrogen to make our nucleic acids
Almost 80% of air is made of nitrogen, but it is in a form we cannot use.

13. Nitrogen Fixation
Bacteria that live in soil and in some plant roots (beans, peas) can turn nitrogen from the air into a form plants can absorb.
Lighting can also do fixation

14. Ammonification Consumers get nitrogen by eating the plants
When consumers die or release waste, decomposers return nitrogen to the soil (ammonification)

15. Denitrification
Some bacteria specialize in breaking down nitrates and returning nitrogen to the atmosphere.