[ Kids/Teens ] Learn about chemistry including matter, atoms, and reactions. Includes online quizzes.

[ Teens/Mature Teens ] Background of the chemistry of dyes as examples of molecules, and the reaction between cotton and dye as a perfect example of a simple chemical reaction.

[ Teens/Mature Teens ] Find links to quizzes, tutorials, periodic tables, and chemical safety.

[ Mature Teens ] A collection of resource references on various topics in chemistry.

[ Teens/Mature Teens ] Java and Shockwave programs allow students to conduct virtual experiments.

[ Kids/Teens ] Some molecules come in mirror-image pairs: a right-handed one and a left-handed one. This Smithsonian site helps kids grades 5 and up learn more about the structure of molecules.

[ Teens/Mature Teens ] NOVA television program explores the techniques used to preserve the original Declaration of Independence, Constitution and Bill of Rights of the United States.

[ Teens/Mature Teens ] Explains the chemistry behind food, cleaning products, and everyday items like lipstick and paper.