Understand decomposition

THEME: The Living Soil–The Living Plant: We are all Interconnected and Related
STRAND: Science of Soil Fertility

Key Concepts

Understand that decomposition is one of the ways that nature cycles matter and energy.


Compare and contrast the volume of a compost pile that is turned and a pile that is not turned.

Compare and contrast the temperature of a compost pile that is watered and a pile that is dry.

Conduct a visual investigation of fungi, bacteria, and invertebrates (FBI) in the wet/dry or turned/unturned compost using our eyes and a magnifying glass.

FBI/decomposition song \*(see Appendix)

Observe decomposition of mulch on the soil over time. Record data.

Research decomposition rates.
Create a decomposition timeline (e.g., slippers, apple, styrofoam, glass, etc.).

\* Watch: