How can you provide healthy soil for your garden? Study worms, bacteria, and other microorganisms in a lesson about decomposition and organic compost. After discussing what you know about worms and watching a video, watch what worms do...

Second graders define composting and recognize what can be composted.  For this composting and mulching lesson, 2nd graders classify objects or pictures as good or bad for composting. Students write a story about life in the compost...

Second graders examine the six nutrients humans need to maintain good heath. In this ecosystem lesson, 2nd graders learn about how plants grow and compare how humans need nutrients from plants to how plants need nutrients from the soil....

Make those microbes warm up water. Pupils first investigate water pumps, then design a water circulation system that uses solar energy. A bioreactor in the system takes energy from compost and helps heat water.

Students discuss the positives and negatives of composting. They plant their own plant using composting material and record results. They create a poster for the classroom.