The Annenberg Learner draws 10 million visits a month from teachers and learners around the world. There's a reason; the site is intuitive, profoundly edifying, and free to anyone. This 13-unit course, replete with...

ChemMatters is an award winning magazine dedicated to demystifying everyday chemistry. The articles and hands on activities connect with National Science Education Standards. Interdisciplinary articles often connect with...

This site is provided by the American Chemistry Council's Chlorine Chemistry Division. The page contains several links that give an introduction to chlorine, its uses, and issues surrounding the chemical compound. There...

This site is provided by the American Chemistry Council's Science Center. The first experiment is called Sunscreen and Light Energy, which shows how chlorine is an ingredient in sunscreen and how it helps protect people...

This activity for high school students from the Florida Advanced Technological Education (FL-ATE) Center teaches students about melting points and emulsions while learning to make their own chocolate. This page includes...