This lesson provides an introduction to the occurrence and possible risks of household chemical products. Topics include some basic chemistry (how elements combine to form compounds), how chemicals are classified, and...

It can be tricky to remember the position of lanthanides within the periodic table of elements, but this interactive feature from Annenberg Media's "Interactive" series will keep students in the know about those...

This module is intended for use in a college-level introductory course in alternative and renewable energy. The document covers basic engineering science for understanding energy. Topics like force, energy, power,...

Using the Macromedia Shockwave Player, this American Chemical Society website offers three interactive periodic tables. Students can find the basic data on each element including its atomic radius, stable isotopes,...

This is a great resource for science and chemistry students at the K-12 level or even postsecondary. The image shows each element of the periodic table represented by a picture of something that contains that element....