If you are looking for how to introduce elementary environmentalists to the process of composting, here is a comprehensive outline for making it happen. The plan is to set this up at the beginning of a school year in order to observe the complete decomposition process, from food and leaves, to humus. 

Concepts

composting, decomposition, soil

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Additional Tags

compost, soil, decomposition, science

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Pros

• Background information provided on first-third level decomposers
• Thoroughly written procedures

Cons

• The video suggested in the preparatory activites is not included and not easily obtained online; look for another video clip that can be used to introduce composting to your class
• Handouts are not included, but you can print the provided posters for each student as a reference