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Description: Participants will learn how to construct a compost pile, what residues are added and how much, and how to create the right environ­ment for microbial decomposition by introducing air and water.
Grade Levels: PreK-2, 3-5, 6-8, 9-12
Keywords: composting, making soil, soil life, Soil Biology
Lesson Area: Soil Biology
Resource Type: Activity

Next Generation Science Standards

Grade Discipline Core Idea
PreK-2 LS2.A: Interdependent relationships in ecosystems Plants depend on water and light to grow, and also depend on animals for pollination or to move their seeds around.
3-5 LS2.A: Interdependent relationships in ecosystems The food of almost any animal can be traced back to plants. Organisms are related in food webs in which some animals eat plants for food and other animals eat the animals that eat plants, while decomposers restore some materials back to the soil.
6-8 LS2.A: Interdependent relationships in ecosystems Organisms and populations are dependent on their environmental interactions both with other living things and with nonliving factors, any of which can limit their growth. Competitive, predatory, and mutually beneficial interactions vary across ecosystems but the patterns are shared.
9-12 LS2.A: Interdependent relationships in ecosystems Ecosystems have carrying capacities resulting from biotic and abiotic factors. The fundamental tension between resource availability and organism populations affects the abundance of species in any given ecosystem.
PreK-2 LS2.B: Cycles of matter and energy transfer in ecosystems [Content found in LS1.C and ESS3.A]
3-5 LS2.B: Cycles of matter and energy transfer in ecosystems Matter cycles between the air and soil and among organisms as they live and die.
6-8 LS2.B: Cycles of matter and energy transfer in ecosystems The atoms that make up the organisms in an ecosystem are cycled repeatedly between the living and nonliving parts of the ecosystem. Food webs model how matter and energy are transferred among producers, consumers, and decomposers as the three groups interact within an ecosystem.
9-12 LS2.B: Cycles of matter and energy transfer in ecosystems Photosynthesis and cellular respiration provide most of the energy for life processes. Only a fraction of matter consumed at the lower level of a food web is transferred up, resulting in fewer organisms at higher levels. At each link in an ecosystem elements are combined in different ways and matter and energy are conserved. Photosynthesis and cellular respiration are key components of the global carbon cycle.