Describing Soil
K-ESS3-1 Use a model to represent the relationship between the needs of different plants and animals (including humans) and the places they live.
5-LS2-1 Develop a model to describe the movement of matter among plants, animals, decomposers, and the environment.
5-ESS2-1 Develop a model using an example to describe ways the geosphere, biosphere, hydrosphere, and/or atmosphere interact.