You can learn more about soil and water science by completing one of the project activity guides, based on your grade level: Soil and Water Science Level 1 (Grades 3-5) Soil and Water Science Level 2 ...
Sand vs soil, which will be the better filter? Soil is so important to what we eat and drink! It helps filter rainwater, chemicals, and waste into clean water. Farming also relies on healthy soil to ...
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