Lesson 6: Compost and Decomposers
Questions to Explore
- How is the soil dependent on living things?
- How are living things dependent on the soil?
Facts and Definitions
- Decomposition is the process by which dead plants and animals are broken down into simpler substances.
- Decomposers are the living things that break down dead plants and animals in the soil.
- Observe and measure how the quantities and qualities of nutrients, light, and water in the environment affect plant growth. (S)
- Determine how composting recycles discarded plant and animal material. (S)
- Determine the relationship between heat and decaying plant matter in a compost pile. (S)
- 2-3 earthworms
- blue and red pencils or markers
- gallon zip top bag (kit)
- quart zip top bag (kit)
- small trash bag
Ask your child what happens to a plant when it dies. Explain to your child that the plant goes into the earth and breaks apart. This process is called decomposition.