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Activity
TeachEngineering

Teach Engineering: Things That Matter to Flocculants

For Teachers 10th - 12th
Prior to reaching households, water is exposed to a variety of treatments designed to render it fit for human consumption and use. One of the first treatment steps is the removal of suspended solids using chemical additives called...
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Interactive
Other

Oresome Resources: Mining Helps Make Your House Interactive

For Students 9th - 10th
An interactive activity for you to find out how much your lifestyle depends on mining. Students select household items and learn facts about their chemical nature, properties and uses, their origins in the Earth, mining, and production.
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Handout
US Environmental Protection Agency

Epa: Assessing Health Risks From Pesticides

For Students 9th - 10th
This site provides information about the active ingredients registered as pesticides. Site discusses toxicology, exposure, dose-response and risk characterization.

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