12/27/05 - Famous Chemists Hangman Game
How well do you know your history? This fun and educational hangman game draws on the names of scientists who made important contributions to the field of chemistry.
12/21/05 - Make Liquid Nitrogen Ice Cream
Make liquid nitrogen ice cream as a cool cryogenics or phase change demonstration or for a quick and tasty treat.
12/19/05 - Science Pictures
This is an image gallery of science photographs and images. Most of the images relate to chemistry, though there are many which apply to science in general or are specific to biology, physics, or medicine.
12/19/05 - Science Lab Safety Signs
Science labs, particularly chemistry labs, have a lot of safety signs. This is a collection of public domain images you can use to learn what the different symbols mean or to construct signs for your own lab.
11/30/05 - Christmas Tree Preservative Recipe
Is there a secret special ingredient in those little packets of floral preservative? No! It's easy and economical to make your own Christmas tree or cut flower preservative, using ingredients found at home.
11/24/05 - Element Mnemonic Device
Here's a handy mnemonic device to help memorize the symbols and sequence of the first nine elements in the periodic table.
11/22/05 - Blue Bottle Color Change Demonstration
Learn how to perform the blue bottle chemistry demonstration, in which a blue liquid becomes clear, then returns to blue when swirled around. Instructions are also given for red -] clear -] red and green -] red -] green reactions.
11/15/05 - Element Photographs
Are you wondering what cadmium and indium look like? Here's an alphabetical index of photographs of the elements.
11/08/05 - Rate of Radioactive Decay
Work through an example chemistry problem on the rate of radioactive decay, a type of first order rate reaction.
11/02/05 - Chemistry Scavenger Hunt
A chemistry scavenger hunt is an educational game where you find items that match a description. It's a great way to learn key concepts. Here's a list of chemistry scavenger hunt clues and items that match.
10/23/05 - Mentos & Diet Soda Chemical Volcano
Candies and diet soda together can make a chemical 'volcano' with an eruption several feet high. If the normal baking soda volcano is too tame for you, give this project a try.
10/19/05 - Make a Bouncing Polymer Ball
Use chemistry to make a bouncing polymer ball, then alter the procedure to see the effect the changes have on the charactertistics of the bouncing ball.
10/12/05 - Interview: Bill Carroll, President - The American Chemical Society
ACS President Bill Carroll chats about his interest in chemistry, Chemistry Week 2005, and how chemistry impacts our daily lives in this exclusive interview with Stephanie Holbrook.
10/11/05 - How to Synthesize Aspirin - Acetylsalicylic Acid
Learn how to synthesize aspirin, acetylsalicylic acid, from salicyclic acid. Get information about the history of aspirin, the effects of salicylates, and see the structures of the reactants.
10/06/05 - How to Write a Bibliography for a Science Fair Project
Learn how to cite your sources for a science fair project. See examples for books, online references, and conversations.
10/04/05 - Science Fair Project Help
Science fair projects are a great way to learn about experimentation, the scientific method, and science concepts. However, it can be hard to find an idea or get answers to questions once you get started. Here is a collection of resources to give your project the winning edge.
09/27/05 - Laboratory Safety Quiz
Are you a safe scientist or a menace to yourself and others in the chemistry lab? Here's a ten question quiz you can take to test yourself. It's sarcastic and maybe even a little mean, but... some accidents just shouldn't happen.
09/14/05 - History of Matches
Fire may have been around since the dawn of civilization, but matches are a fairly recent invention. Learn about the somewhat gruesome history of the chemical or friction match and how antimony and phosphorus are used to start fire.
09/06/05 - What Is Radioactivity?
Learn about natural and induced radioactivity and alpha, beta, and gamma radiation.
08/31/05 - What Is a Neutron Bomb?
Learn what a neutron bomb is, how it works, and about a neutron bomb's strategic uses.
08/24/05 - Crystal Growing Quiz
Are you an ace at growing your own crystals? Test your knowledge about seed crystals, the factors that affect crystal growth, and crystal types with this fun multiple choice quiz.
08/16/05 - Absinthe Chemistry
The liqueur absinthe has been enjoying a resurgence in popularity, as countries continue to lift the ban on making and drinking the green wormwood and anise-flavored spirit. Learn about the history of the liqueur, why it was banned, a bit about its chemistry, how to make absinthe, and how to drink it.
08/04/05 - How to Perform a Recrystallization
Recrystallization is a laboratory technique used to purify a sample based on the different solubilites of its components. Learn how to perform a recrystallization and get tips on how to avoid common problems and improve your product yield.
07/26/05 - Why Does Ice Float?
Learn about density and hydrogen bonding to understand why ice floats on water.
07/19/05 - How to Make Moonshine
Moonshine is a liquor made from fermented corn. Learn about distillation, condensation, and how this alcoholic beverage is made.
07/05/05 - How Pregnancy Tests Work
Learn how blood tests and home pregnancy urine tests work, how early they can be used, and some reasons for false positive and negative test results.
06/28/05 - Molecule Hangman Game
This hangman game draws on names of molecules from the Molecular Structures Library. Possible chemicals include amino acids, nucleic acids, chemical warfare agents, pesticides, molecules found in food, and other names from the libary list.
