These intriguing projects are designed to teach children the science behind everyday objects. Subjects covered include mechanics, air and water power, electricity and magnetism, chemistry, acoustics, and optics. Each activity features step-by-step instructions and a list of inexpensive materials which can be found at home or in your neighborhood hardware, electronics, or grocery stores. Several projects have a section called "More Fun Stuff to Do" which allows kids to try different variations on the original activity. Illustrated.