Soil Worksheets

Green plants use energy from the sun to produce their own food. They are the first link in many food chains. Green plants need soil to grow in, so soil is very important to most living things on Earth. Soil is especially important to people. People eat plants that grow in soil. People eat animals that eat plants. Some materials we need to make our clothing comes from plants. We need paper and lumber. They are made from trees that need soil to grow. It takes hundreds of years for one inch of soil to form. This theme unit explains what soil is, how it is layered, what lives in soil, and the importance of preventing soil erosion and contamination.