Beyond Benign
SLS Toxicology Test
Ingredients in your shampoo are toxic enough to kill plants. The 16th installment of the series of 24 tests the toxicity level of various concentrations of SLS, a chemical found in nearly all shampoo. Learners prepare percent solutions...
Curated OER
Preserving the Harvest: Dry it Out!
Students explore how people preserved their food in the past. In food preservation lesson, students create different models that enable someone to dry out food, such as a food dehydrator. Students also learn how to...