06/14/05 - Science Hangman Game
Here's a hangman game, just for fun, using scientific terms, types of sciences, and names of scientists from all disciplines. It's a very broad category. Can you guess the word in time?
06/08/05 - How to Make Liquid Magnets - Synthesize Ferrofluid
Make your own ferrofluid, or liquid magnet, which can be used with a magnet to change the liquid's density and to form spikes and other amazing shapes.
06/02/05 - Caffeine Chemistry
Learn about the chemical and biological properties of caffeine, the methylxanthine stimulant found in coffee and other foods.
05/17/05 - Groups of Elements - Periodic Table
Elements can be categorized according to their similar properties. Here's a periodic table that organizes the elements according to groups. Click an element symbol and learn about the group to which it belongs.
05/11/05 - What Is Activated Charcoal and How Does it Work?
Activated charcoal isn't the same as your average barbeque briquette! It's a special type of carbon. Learn what activated charcoal is and why it is used in filters and medicines.
05/04/05 - Atom Hangman Game
All of the words in this hangman game relate to atoms or parts of atoms. It's a fun and easy way to test your grasp of some elementary chemistry terms and concepts.
04/26/05 - Basics of Acids and Bases Quiz
How well do you understand the basic concepts of acids, bases, and pH? Here's a ten question multiple choice and true/false quiz you can take to test yourself.
04/12/05 - Carbon 14 Dating
Here's a worked example of the calculation for carbon 14 dating of organic material. The same principle can be applied to other isotopic ratios used to estimate age.
03/29/05 - Grow Table Salt or Sodium Chloride Crystals
It's easy to grow your own table salt or sodium chloride crystals. All it takes is salt and boiling water. One method even yields crystals within a few hours. Another method can yield perfect cubic crystals.
03/22/05 - Can a Candle Burn in Zero Gravity?
Can a candle burn in the absence of gravity? Here's the answer to this frequently asked question about fire.
03/16/05 - What Elements Are Named After People?
Here's an alphabetical list of element eponyms, or chemical elements named after people.
03/08/05 - If civilization ended today, could I still make beer?
Not all frequently-asked chemistry questions involve equations and complex chemical reactions. When you get right down to it, chemistry plays a big role in everyday existence. For instance, consider the brewing of beer, stout, ale, and lager. If modern society ended, do you think you would have what it takes to make your own beer?
03/01/05 - Chemistry Glossary Update
The chemistry glossary has been updated with definitions for addition polymer, addition reaction, alcohol, aldehyde, alkaline, alkaline earth metal, alkyl group, allotrope, alloy, and alpha particle.
02/22/05 - Scientific Method Quiz
Do you really understand what the scientific method is and how to apply it? Here's a ten question multiple choice quiz you can take to test your knowledge.
02/08/05 - What is the State of Matter of Fire or Flame?
Is a flame a liquid, solid, or gas? Learn the answer to this question and get information about the chemistry of fire.
02/01/05 - Effect of Acids and Bases on the Browning of Apples
Perform an experiment to observe the effects of acids, bases, and water on the rate of browning of cut apples or other produce.
01/24/05 - Why Do Cut Apples Turn Brown?
Learn why apples, pears, bananas, potatoes, and other fruits and vegetables turn brown when they are cut or bruised.
01/10/05 - How to Grow Epsom Salt Crystals
Epsom salt (magnesium sulfate) crystals are safe to handle, easy to grow, and form quickly. Here's what you need to know to make your own crystals.
01/03/05 - Rock & Mineral Chemistry Quiz
Do you know about the chemistry of rocks and minerals? Here's a ten question quiz you can take to test your knowledge.
