Students research cafeteria composting. In this composting lesson, students design a vessel that would allow the cafeteria staff to collect food scraps for composting. Then students build a prototype and present it to the class. Lastly...

Get your hands dirty with an interactive lesson that showcases the process of decomposing and returning nutrients back into the soil. After building a compost pile, pupils regularly observe the...

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