-How did the Ancient Egyptians build the pyramids? -What is an Archimedes' screw? -Which wedge do you use every time you eat? Do It Yourself offers an exciting new approach to understanding and investigation. Each book helps you conduct your own experiments and activities to learn more about the world around you.

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

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

Examines various simple machines and how they are used to make work easier and provides activities using wheels, levers, pulleys, screws, and more.

Introduces six simple machines, describing how they work in more complex machinery and how they are used every day.

"Teaches readers how simple machines work, looking at the wheel and axle, lever, pulley, and more."--

A collection of science projects and experiments exploring simple machines such as levers and screws.

"Ginger and Mac are pros at snatching up delicious tidbits and bringing them back to their cozy mousehole to eat. Today, though, their mission is complicated. Their target is an especially aromatic vanilla cupcake with pink buttercream frosting. Only, it's (a) too big for them to carry, (b) on a high counter within leaping distance of both the resident cat and dog and (c) under a heavy glass cake dome. Luckily, these mice love nothing more than solving...

Describes many different kinds, uses, and benefits of wheels and axles.