Explains the physics principles at work in simple machines and presents science projects involving first-, second-, and third-class levers; the wheel and axle; wheels, bearings, and friction; inclined planes; the wedge; the screw or bolt; and single pulleys.

"Thirteen experiments about simple machines - levers, wheels, axels, pullies, wedges and screws - teach kids basic science. Full-colour photographs and step-by-step instructions explain each activity, so that kids can make most of the machines with minimal help from adults" Cf. Our choice, 1997-1998.

Provides a simple introduction to the use of levers, pulleys, and wheels to move heavy objects.

"From moving ramps to playground slides, inclined planes are at work all over in our world today. Learn all about them in five easy-to-read chapters. Vibrant, full-color photos, bolded glossary words, and a key stats section let readers zoom in even deeper." --Publisher's description.

Introduces readers to simple machines through simple text, photographs, and matching activities. Additional features to aid comprehension include a phonetic glossary, an index, an answer key, sources for further research, and an introduction to the author.

"To prove her royalty, the princess must pass an impossible test: to feel a single pea under layers of mattresses! In this innovative retelling of the classic fairy tale, readers will problem-solve the princess out of her predicament! Fun activities introduce key science, technology, engineering, and mathematics concepts and challenge readers critical thinking. Readers will build confidence in their abilities and take interest in STEM material. Original...

A young Mammoth Islander observes some children playing on a see-saw and is inspired to try a simple machine called a lever to get her job done.

The LEGO Technic system opens a new realm of building possibilities. Using motors, gears, pneumatics, pulleys, linkages, and more, you can design LEGO models that really move. The Unofficial LEGO Technic Builder's Guide is filled with building tips for creating strong yet elegant machines and mechanisms with the Technic system. Author Pawe' "Sariel" Kmiec will teach you the foundations of LEGO Technic building, from simple machines to advanced mechanics,...

Building a fort in the backyard, a grandfather and granddaughter get help from six simple machines: lever, pulley, inclined plane, wheel and axle, screw, and wedge.

"Investigating the common contraptions that make so much possible, from zippers and rolling pins to catapults and the pyramids, this book encourages kids to look differently at the numerous objects in everyday life."--Amazon.com.