This book allows you to present scientific principles and simple
mechanics through hands-on cooperative learning activities. Using
inexpensive materials (e.g., tape, paper clips), students build
simple machines-such as levers, pulleys, spring scales, gears,
wheels and axles, windmills, and wedges-that demonstrate how things
work. Activities have easy-to-locate materials lists, time
requirements, and step-by-step directions (usually illustrated) on
presentation. Ideas for bulletin boards, learning centers, and
computer-assisted instruction are an added bonus.
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