The Kids’ Book of Simple Machines: Cool Projects & Activities That Make Science Fun

This activity book introduces the six simple machines: the wheel and axle, wedge, screw, lever, pulley, and inclined plane. Projects use everyday items to build and investigate these tools. Each machine receives an introduction with historical context and real-world examples. Step-by-step directions, photographs, materials lists, safety information, infographics, a timeline, glossary, and index support the activities. Biographical sections also feature scientists and inventors.