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

Instructions for twelve projects involving the basic principles of simple machines.

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...

Describes various kinds of simple machines, showing how they can be made out of easily obtainable objects and detailing experiments that show how they make tasks easier to perform.

"Introduces the topic of simple machines through the familiar tune 'Kookaburra'"--Summary provided by publisher. Introduces the topic of simple machines through the familiar tune 'Kookaburra'.

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.

Describes many different kinds, uses, and benefits of levers.

From elevators to flagpoles, pulleys 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. Abdo Zoom is a division of ABDO.