"A hands-on approach introduces young scientists to screws. Science theory and practical, fun projects teach the physics and the technology behind this simple machine. Important science curriculum is explained through historical and contemporary examples of screws. Step-by-step projects range from the simple to the more challenging."-- Provided by publisher.

What are screws? --How screws work -- Using screws -- Screw threads -- Working with nuts and bolts -- Lifting and gripping with screws -- Making a jack -- Moving materials with screws -- Make an Archimedean screw -- Screws in complex machines -- Facts and fun.