1. Bell Ringer
Draw what you think the Nitrogen Cycle looks like in the composting process.

2. Nitrogen Cycle in Composting
Agri-science
Mr. Bailey

3. (N)itrogen what is it?
a colorless, odorless, tasteless gas that makes up about 4/5, or 80%, of the Earth’s atmosphere
Plants and animals need nitrogen in order to make proteins for growth.

4. The (N)itrogen Cycle

5. Earth’s Resources
(soil, air, water) provide the nutrients for seed growth

6. Seeds
Nitrogen passes to seeds through the soil. Seeds germinate into plants which use nitrogen for growth.

7. Shed Leaves
Plants such as trees may shed their leaves annually as a winter adaptation to save water.

8. Decomposition
Plant is decomposed with the help of bacteria, fungi, and small consumers (worms),
Nitrogen once again returns to the Earth’s resources

9. Think Sheet
Complete the "Think It Through" and "Hypothesis" sections of the Think sheet with your team

10. Productive Compost Pile
Building a pile with layers
Keeping proper moisture
Keeping air in the pile through regular turning