Why does Jupiter have colored clouds? How can you use a clock as a compass? What is the cause of shooting stars? Using common down-to-earth objects, these out-of-this-world experiments will help your kids discover the scientific principles behind the sun, moon, stars, and planets. Each pretested step-by-step activity includes a list of materials, expected results, and a clear explanation. Ages 8 to 12. 229 pages, softcover from Wiley & Sons.