National Wildlife Federation
Soil Decomposers
The class studies the soil food web that includes earthworms and conduct four experiments using the crawly critters. Individuals determine whether earthworms are sensitive to light, touch, temperature, and acid.
Curated OER
Three Worm Lesson
Third graders observe properties of three worms. In this living and non-living lesson, 3rd graders study characteristics of living and non-living worms. Students experiment to find how light, heat and moisture effects each of the worms....
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Dirty Decomposers
Students explore the ecosystem by conducting a ziploc bag experiment. In this recycling lesson, students identify decomposer organisms in our environment and how they speed up the recycling process. Students utilize a ziploc plastic bag,...
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Composting With Worms
Third graders predict what happen in two (control and experiment) containers -- one with soil and trash, the other with soil, trash, and worms.
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Agriculture is a Cycle
Young scholars explore cycles in nature. In this cross curriculum agriculture lesson, students define "cycle" and research weather and planting folklore. Young scholars make a bracelet in which individual colored beads represent the many...
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Science: Where the Worms Live
Learners build mine-earthworm habitats to discover their niche in them. They make predictions about what the niche looks like in a week and draw a picture of it. Students notice the tunnels in the soil and how the sand and dirt are now...
Curated OER
Forest Decomposition
Students explore decomposition. Students define and describe components of the decomposition process. Students make a composter in a terrarium. Students record observations and changes weekly, drawing conclusions about the results...