A new kind of city is being built in the Arab desert. Read about the unique engineering that is creating Masdar, a "city of the future" which doesn't use fossil fuels.

Students will use citric acid and sodium carbonate solutions to see that adding a base to an acidic solution makes the solution less acidic. Students will then use a base to help them identify which of two acidic solutions is more...

ZOOM cast members mix different amounts of baking soda and vinegar to see which combination produces the most carbon dioxide for launching a film-canister rocket. [3:23]

This site contains a simple procedure for observing an acid-base neutralization reaction (baking soda and vinegar), in which the product, carbon dioxide, causes a zipped bag to explode.

Explains the role of carbonic acid in the blood as part of a buffer system. Includes reactions.

Students form expert engineering teams working for the (fictional) alternative energy consulting firm, Greenewables, Inc. Each team specializes in a form of renewable energy used to generate electrical power: passive solar, solar...