Khan Academy
Khan Academy: Dalton's Atomic Theory
Article explores the key points of Dalton's atomic theory and the laws of conservation of mass and constant composition. Which points do we still use today?
PBS
Pbs Learning Media: Diamonds: The Science Behind the Sparkle
This illustrated essay from the NOVA Web site explains why the atomic structure of a diamond slows down light and produces a sparkle more brilliant than from any other colorless substance.
Science Struck
Science Struck: What Makes Up an Atom?
Describes the structure of an atom and the characteristics of the electrons, neutrons, and protons inside it. Includes some interesting facts about atoms.
Lawrence Berkeley National Laboratory
Berkeley Lab: Basic Nuclear Science Information
Site provides the ABC's of nuclear science including radioactivity and gamma decay to fission and comic rays.
PBS
Pbs Learning Media: That's My Theory!
Become a game show contestant in this online activity from A Science Odyssey and ask a series of questions to a panel of mystery scientists, using the answers to determine which scientist is Einstein.