Curated OER
Tools to Live By
Third graders compare life in the early 1900's with the life today. In this technology lesson, 3rd graders research about the development of a certain technological tool. They collect data and report findings in class.
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...