Curated OER
Studying STI/HIV
Eighth graders describe symptoms, effects, treatments, and prevention for chlamydia, HPV, herpes, gonorrhea, Hepatitis B and C, and HIV. They begin by answering provided background questions and get one's feelings about what they think...
National Nanotechnology Infrastructure Network
Can Small Pollutants Harm Aquatic Organisms?
Nanoparticles have toxic effects on plant and animal life—even though you can't see them. The second instructional activity of a two-part series has young scientists conduct an experiment that exposes plant and animals to nanoparticle...