Students experiment using soil and water. In this forest as a filter lesson plan, students identify the role of forest cover, vegetation, and foliage impacts erosion and evaporation. Students conduct a simple experiment, form a...

Second graders examine the six nutrients humans need to maintain good heath. In this ecosystem lesson plan, 2nd graders learn about how plants grow and compare how humans need nutrients from plants to how plants need nutrients from the...

Students investigate, through their own experimentation, the important role wildlife play in nutrient cycling. Earthworms and compost are used in this experiment and different experimental setups be evaluated.