Students examine how different nutrients in the soil and fertilizers affect plant growth. In groups, they participate in a role play in which allows them to see the interactions of humans and plants. They also read articles and record...

Students conduct a hands-on lab activity in which they analyze a sample of water from a local stream or pond. They introduce a fertilizer solution into the sample and analyze and describe their findings.

Students conduct an experiment using a small sample from a local water source. They introduce fertilizers and pesticides, separately, and carefully examine the results in their simulated aquatic ecosystem.