Curated OER
The Marvels of Mud
Young scientists roll up their sleeves and get a little dirty in this three-day earth science investigation. Following the scientific method, children monitor the growth of algae in pond water samples in order to determine the role that...
Curated OER
Runoff with Chunky the Chicken
Students are introduced to the on-farm nutrient cycle, which explains feed to manure, to soil, and back to the feed. They are introduced to the generation of runoff during rainstorms, and the contents of runoff water are more than water...