ACS Molecule of the Week [ Teens/Mature Teens ] - American Chemical Society resource offering a new molecule every week, along with an image and description. An archive and periodic table is also available. http://chemistry.org

Common Molecules Collection [ Teens/Mature Teens ] - Discover more information about general molecules common in everyday life, including water molecules, minerals, and vitamins. http://www.reciprocalnet.org/edumodules/commonmolecules/index.html

Large Molecules [ Mature Teens ] - Identifies and explains the function and structure of large molecules. Offers pictures of protein and sugar as well. http://web.mit.edu/esgbio/www/lm/lmdir.html

Marvelous Molecules [ Teens ] - Includes a brief introduction about what molecules are, along with some pictures of certain molecules including aspirin and carbon dioxide. http://www.nyhallsci.org/marvelousmolecules/

Quia - Binary Ionic Compounds [ Teens/Mature Teens ] - Interactive games to name and write formulas for binary ionic compounds. http://www.quia.com/custom/3996main.html

Visualizing Molecules [ Mature Teens ] - Provides an introduction to what molecules are by focusing on examples that include binary compounds and molecular geometry. http://science.widener.edu/svb/molecule/molecule.html