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.

Human activities can have a detrimental effect on animal habitats. Young students can witness the effect of water pollution on river habitats.

The following activity involves learning how water moves through rock materials such as sand, gravel, and clay.

All living things depend on soil to live. But how much soil is there?