Kids use simple machines every day without realizing it. Teeth are wedges and so are knives, forks, and thumbtacks. Many toys such as slides, which are inclined planes, and seesaws, which are levers, are also simple machines. Two appealing kids and their comical cat introduce levers, wheels, pulleys, inclined planes, and more, and explain how they work. This lively introduction to physics will get kids excited about how simple machines simplify our...

"A chicken hops a ride to school to see what the humans do there all day and unlocks the superpowers of math and science, which she uses to save the coop"--

Examines ancient machines with timelines and photos, including how they have been used throughout history.

To build a Rube Goldberg Machine, all you need is a pile of junk and a great imagination. Rube Goldberg's granddaughter, Jennifer George, has teamed up with world-renowned Rube Goldberg machine builder Zach Umperovitch to show us just how true that is in this comprehensive guide to building Rube Goldberg Machines at home. Written in partnership with Rube Goldberg's granddaughter herself, Jennifer George, this book breaks down how to build a variety...

Explore the functions of levers, wheels, and pulleys, and learn how to lift a lion, pull a panda, and deliver a basket of bananas to a baboon birthday party!

"Instructions for creating items using scientific methods"--

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.

Jumping, spinning, twisting, turning, racing-- the power is in your hands. Make bots that jump and spin, build a rubber band racer and a bottle boat, power a boat and a car with air. Make machines that move!

Explains what simple machines are and what they do; describes the scientific method; and includes experiments testing different simple machine concepts. This series makes the scientific process lots of fun! Clear, step-by-step instructions let readers explore the world of science through well-crafted, hands-on experiments. Colorful photos, lively and informative illustrations, and easy-to-read text make the topics appealing and accessible to young...

"From wheelbarrows to baseball bats, levers 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. Aligned to Common Core Standards and correlated to state standards."--Publisher's website.