National Library of Medicine
Your Environment, Your Health: Water Quality
How important is water quality where you live? The first module in a six-unit series includes four lessons on water quality. By applying the concept directly to the lives of pupils, they engage in meaningful learning. They read about...
National Library of Medicine
Your Environment, Your Health: Chemicals in Your Home
Many people know about chemical pollution, but are all chemicals bad? The third unit in a series of six addresses chemicals common in everyday life. Scholars learn about the chemicals found in their own homes, chemical safety, and...
Beyond Benign
Daphnia Bioassay LD50
De-icing materials may have a harmful effect on our environment; have your class perform an experiment to test the nature of these effects. Scholars monitor the survival rate of a sample of daphnia as the concentration of a de-icing...