The Alchemy Website
http://www.levity.com/alchemy/
Atom Builder - PBS
http://www.pbs.org/wgbh/aso/tryit/atom/
Note: Scroll down to the bottom of the page for informaiton about scientists from the past.
Atoms from Democritus to Dalton
http://www.visionlearning.com/library/module_viewer.php?mid=49
Atoms & Ions
http://antoine.frostburg.edu/chem/senese/101/atoms/index.shtml
History of Chemistry
http://www.woodrow.org/teachers/chemistry/institutes/1992/
John Dalton
http://scienceworld.wolfram.com/biography/Dalton.html
A Look Inside the Atom
http://www.aip.org/history/electron/jjhome.htm
Ludwig Boltzman - The Why Files
http://whyfiles.org/siegfried/story28/
Nobel Prize in Chemistry
http://almaz.com/nobel/chemistry/alpha.html
The Rutherford Experiment - Florida State University
http://www.microscopy.fsu.edu/electromag/java/rutherford/
Science Museum - UK
http://www.sciencemuseum.org.uk/onlinestuff/stories/atomic_firsts.aspx
Physics 2000
http://www.colorado.edu/physics/2000
Online Encyclopedias
Search in Worldbook Online -Advanced in our Reference selections. Search for "Atom" (without quotations) and then select Atom again and scrool down to the "Development of the atomic theory" option.
Search in Encyclopedia Britannica Online under Atom. Select the top left option titled "Atom" under the high school selections. Then, on the left, you will see table of contents options including "Development of atomic theory."
Databases
Facts on File Science Online
Science Reference Center