Utah Education Network
Uen: S O I L Soil
Plants need nutrients to grow, those nutrients come from the soil, and nutrients can be added to soil to help plants grow better.
University of Illinois
University of Illinois Extension: The Great Plant Escape: Soiled Again
Help Detective Le Plant dig for clues in the soil to solve this case. You'll need to find out what soil is, why it is important, and in what kinds of soil plants grow.