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1. 3-D Molecules - over 100 3-D interactive molecules on 3/8/09
2. American Chemical Society homepage [this page opens on a new page]
3. Animated Molecules - Click on a picture to link to a page with the GIF file and a short discussion of the molecule. on 3/9/09
4. Bioluminescence - Bioluminescence is simply light produced by a chemical reaction which originates in an organism.
5. The Catalyst - This site has been developed specifically for the secondary education/high school level teacher, as a resource for finding relevant information for use in the teaching of chemistry.
6. Chembalancer is a little online game to teach balancing equations. You type numbers in front of each molecule until there are the same number of atoms on both sides of the equation, then click the 'Balanced' button.
7. The Chemical of the Week - In his General Chemistry courses, Professor Shakhashiri distributes a weekly fact sheet about a chemical or type of chemical to increase students' knowledge about chemicals, their production, cost, and uses. He has separate lists for First Semester General Chemistry and Second Semester General Chemistry. An example of what you will find is the Chemistry of Autumn Colors.
8. Chemistry4Kids has sections on Matter, Elements, Atoms, Math, and Reactions.
9. Chemistry 11 and Chemistry 12 - Powerpoints, study notes, labs, worksheets, and assignments created by Jeremy Schneider; All text references refer to Fundamentals of Chemistry, 3rd Edition, by Brady & Holum
10. Chemistry Drill and Practice Tutorials - These problems were developed by Professor George Wiger (gwiger@chemistry.csudh.edu) at California State University, Dominguez Hills, CA.
11. A Chemical Equation Balancing Mystery - Designed for grades 10 - 12. A monkey has been killed and you must use your chemical equation balancing skills to solve the mystery.
12. Chemistry Lesson Plans - A collection of almost 200 single concept lessons.
13. Chemistry Links by Topic - use with caution, last updated on 4/4/05
14. Chemistry Quiz Index
15. Chemistry Tutor - Web pages designed to help you get through your chemistry homework
16. ChemTeam - High School Chemistry tutorials
17. Chem Time - a clock using chemical element symbols instead of numbers
18. Concentration - a set of lectures from ChemBuddy
19. Directory of Chemistry sites on the Internet organized by Yahoo
20. Element Flash Cards - a student is given an element and they must then supply the element's chemical name, symbol or atomic number
21. Element hangman
22. Element math game
23. Eric Weisstein's World of Chemistry
24. Fire and Spice - the chemistry of hot peppers
25. General Chemistry Online includes companion notes, tutorials, and lists of chemistry resources on the Internet
26. General Chemistry Virtual Textbook - This work-in-progress consists of two classes of documents: Chem1 Reference Text chapters and Tutorial units.
27. The Mad Scientists Network has an archive of previous Chemistry questions and answers. Have you wondered why Coca-Cola is corrosive? That and much more can be found in the archive.
28. Marvelous Molecules - The Secret of Life is the first ever hands-on exhibition exploring the shared chemistry of all living things.
29. NIST Chemistry WebBook provides users with access to chemical and physical property data for chemical species through the Internet
30. Nobel Prizes in Chemistry from 1901 to 1998. Most of these entries are simply text, but some provide links to other pages.
31. Nobel Prizes in Chemistry - includes the Nobel lecture given by winners
32. Organic and Biochemical Animations including molecular rotations and other chemical concepts. The 65 animations range in size from 66K to a funny animation on Conversion of potential to kinetic energy which is 1023K.
33. Periodic Tables:
    1. American Elements - an interactive periodic table
    2. Dmitri Ivanovich Mendeleev - We will never be able to attribute to a single individual the development of the basic building blocks of writing. Yet we do know the name of the man who devised the method of classifying the basic building blocks of matter. Dmitri Ivanovich Mendeleev!
    3. Flash version of the table - Move your cursor over an elements for information.
    4. Periodic Table of the Elements
    5. Periodic Table from ChemiCool
    6. Periodic Table - This common chemistry tool is presented as a PowerPoint show with web links to pages about each element. Invisible buttons are used on slide 2. (There are 109 invisible buttons on one slide.) Download the show and take a look!
    7. Proton Don - [this link opens in a new window] a FunBrain game using a periodic table that contains the elements' symbols and their periodic numbers.
    8. Quiz on "The Structure and Groups of the Periodic Table"
       1. Index of multiple choice Chemistry quizzes
    9. Visual Elements offers two versions. One requires the Shockwave plug-in Flash, and the other is an HTML document
34. The pH Factor is posted by the Miami Museum of Science
35. pH Calculation - a set of lectures from ChemBuddy
36. QandA Encyclopedia - Browse questions and answers about Chemistry at Smart QandA.
37. Regents Chemistry Exam Prep Center
38. Science is Fun in the Lab of Shakhashiri. A master of chemical demonstrations, University of Wisconsin-Madison Chemistry Professor Bassam Z. Shakhashiri, shares the fun of science through home science activities, demonstration shows, videos, and books. Information about these and other science fun stuff is available there.
39. Scientific Notation - a lesson on why and how to use scientific notation. There is also a worksheet to allow practice of the concept.
40. Significant Digits - an interactive site to allow practice on identifying the number of significant digits in a displayed number. A student gets immediate feedback regarding the correctness of their answer, however there are no clues given if a student is wrong.
41. Significant Figures - Scientific notation is the most reliable way of expressing a number to a given number of significant figures. In scientific notation, the power of ten is insignificant.
42. Simulations
    1. Acid Base pH Titration
    2. Animation of Salt going into Solution - no variables to manipulate
    3. Balance an Equation | Balance an Equation
    4. Boyle's Law
    5. Boyles Law - graph
    6. Catylists
    7. Charles' Law
    8. Chemical Kinetics
    9. Concentration Cells Electrochemical Cell
    10. Conductivity of Solutions
    11. Crush the Can
    12. Determination of the Formula of a Hydrate
    13. Determination of the Molarity of an Acid or Base solution
    14. Diffusion
    15. Effusion
    16. Electrochemical Cell
    17. Electrolysis
    18. Energy Exchanges Associated with Dissolving Salts in the Water
    19. Gas Phase
    20. Heat of Neutralization
    21. Heat Transfer between Metal and Water
    22. Heat Transfer between two types of metals
    23. Iodine Clock
    24. Metals in Aqueous Solutions
    25. Periodic Table - ion view or atom view
    26. Reactions of Metals and Metal Ions
    27. Solid Atoms
    28. Solutions of Acids, Bases, and Salts (pH meter)
    29. Solvents and Solutes
    30. Vapor Pressure
    31. An index of other Chemistry Experiment Simulations, Tutorials and Conceptual Computer Animations
43. Tutorials to help you understand various chemical concepts and problems including: How to Determine the Polarity of a Molecule, Balancing Chemical Equations, Empirical Formulas, The Solubility Rules, The Periodic Table, and more.
44. Other Tutorials:
    1. Balancing Chemical Equations
    2. Gas Laws - 13 lessons using the Shockwave plug-in.
    3. Quantum Mechanics - 16 lessons
45. Virtual Chembook - excellent resources for a Chemistry teacher, posted by Elmhurst College