Curated OER
Discovery Science Center Activities
Fourth graders complete a variety of experiments to meet science goals. In this life sciences lesson, 4th graders make yogurt, discover the attraction of opposite charges in electricity, learn the effects of glaciers, and explore...
Curated OER
What's in the Water?
Students make a water sampler and use proper techniques to collect water.They write a essay explaining the inter-relationship of factors such as temperature, pH, dissolved oxygen, nitrates, and phosphates in a lake that might cause a...
University of Southern California
Mastering Microbes
Small but mighty! Learners explore the role of microbes in a healthy ecosystem. An engaging lesson asks pupils to design an aquaponics system that demonstrates that healthy microbes are necessary to maintain the ecosystem.