In this lesson, a ready-to-teach cooperative reading activity, students learn about the effects of plastics in our environment, specifically that certain petrochemicals act as artificial estrogens and impact hormonal activities. Much of the content in this lesson was synthesized from recent medical research about the impact of xenoestrogens and…

Presents an activity in which students use microscopes to examine the diversity of the roundworm species that they obtained from water and soil samples. Discusses the role of roundworms in the ecosystem. Provides a lesson plan for teacher use that includes preparation information, materials needed, lesson procedures, and suggestions to extend the…

Presents an exciting way to acquaint students with current methods to clean up oil spills. Students also have the freedom to create new clean-up methods as they think through the problem and experiment to find effective solutions. (PR)