Curated OER
Toxicology 2: Finding the Toxic Dose
Students brainstorm with group partners to decide upon a chemical they would like to test, and outline a procedure for their investigation. They then present in groups their ideas to the rest of the class as well as the chemical they...
Curated OER
Toxicology and Living Systems
Students investigate how toxic chemicals affect biological systems. They determine the toxic dose of a chemical that inhibits seed germination in a Brassica rapa. They investigate the effect of environmental tobacco smoke on human lung...
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...