The Dose Makes The Poison
Students observe beakers of water that contain different amounts of a mystery chemical. They discuss how each amount of the chemical might affect them if the chemical was beneficial or harmful to their bodies.
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New Review Restoration Channel Islands Debate
Introduce learners to the debate format with an activity that uses the National Park Service's controversial Channel Islands restoration program as a topic. Class members learn how to generate provocative debate questions, how to prepare...
4th - 12th Science
Lead and Mercury: Comparing Two Environmental Evils
High schoolers in chemistry or health courses look at the material safety data sheet (MSDS) and periodic table of elements to gather information about mercury and lead, two toxic materials that have been found in food products. They read...
9th - 12th Health