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Grade 4-7-Hauser gives directions for making a few gadgets, gizmos, contraptions, and doohickeys constructed with stuff often present in cupboards, closets, garages, and "junk" drawers. Materials such as plastic soda bottles, marbles, buttons, straws, and cardboard tubes are cut, trimmed, shaped, and bent as a way being glued, stapled, sewn, and taped. They are ultimately formed into objects to become tossed, balanced, spun, flung, and strung-all to show various principles of physics. Also included are nudges to encourage individual forays into the worlds of problem solving and inventing. Fun to make-and probably fun to play with-the crafts, if followed sequentially, introduce such basic topics as motion, energy, balancing, and gravity. Even when used as random crafts, they'll result in questions about the predictable behaviors of these objects as boomerangs and yo-yos. Classroom teachers can team this with Vicki Cobb's Why Can't You Unscramble an Egg? (Lodestar, 1990; o.p.) and Bernie Zubrowski's Raceways: Having Fun with Balls and Tracks (Morrow, 1985; o.p.).
Patricia Manning, formerly at Eastchester Public Library, NY
Copyright 2000 Reed Business Information, Inc.
Using simple stuff for the house to create toys that spin, fling, collide, and whiz, kids will grasp the basic principles of concepts of gravity, inertia, balance, and energy. Projects are very hands-on. Most activities could be completed with minimal assistance. Every page is jam-packed (in age-appropriate vocabulary) with factoids, fun facts about famous inventors, and inspiration for science lovers coming from all ages. A 1999 Parents' Choice® Silver Honor. (Parents' Choice®) -- From Parents' Choice
