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The Wind at Work: An Activity Guide to Windmills

by Gretchen Woelfle

Explaining how the wind works, what windmills have contributed to the past, and why they offer environmental promise today as a source of clean, renewable energy, this revised and updated edition offers a glimpse...

Solar Cell and Renewable Energy Experiments

by Ed Sobey

Give renewable energy a try! Solar, wind, and hydropower can be used to offset the use of fossil fuels. The projects in this book teach young readers about solar cells, electricity, and energy. Experiment with...

Robot Experiments

by Ed Sobey

Build your own robot! Learn what makes a robot work. Then design, build, and program your very own robot. The experiments in this book will guide you through the field of robotics. Many experiments include ideas...

Radio-Controlled Car Experiments

by Ed Sobey

How does a radio-controlled car work? Author Ed Sobey guides readers as they take apart and rebuild their own radio-controlled car. In the process readers will also learn about radio waves, acceleration, towing...

Electric Motor Experiments

by Ed Sobey

You can find motors in countless household devices. Discover how they work as author Ed Sobey guides young readers through the disassembly and rebuilding of a motor. Make your own motor and improve it for different...

Cell Phone Science: What Happens When You Call and Why

by Michele Sequeira & Michael Westphal

Authors Michele Sequeira and Michael Westphal help young people explore this now-commonplace, socially important gadget that connects today's youth with their friends.

Charting the World: Geography and Maps from Cave Paintings to GPS with 21 Activities

by Richard Panchyk

Maps have been a part of human culture since the days of scratching on cave walls, and this richly illustrated history chronicles the road from simple diagrams used to avoid danger to the complex, navigational...

The Art of the Catapult: Build Greek Ballistae, Roman Onagers, English Trebuchets, and More Ancient Artillery

by William Gurstelle

Whether playing at defending their own castle or simply chucking pumpkins over a fence, wannabe marauders and tinkerers will become fast acquainted with Ludgar, the War Wolf, Ill Neighbor, Cabulus, and the Wild...

Tools of Navigation: A Kid's Guide to the History and Science of Finding Your Way

by Rachel Dickinson

Children will learn all about inventions: their inventors, the way they changed history, and their evolution over centuries, through the activities and anecdotes provided in this interactive series. Travel...

What Does It Do? Windmill

by Mark Friedman

Discover how windmills work and how they can be used to create electricity without causing pollution.

What Does It Do? Combine

by Mark Friedman

Learn about the different parts of a combine and find out how these interesting machines are used to harvest crops.

How Did They Build That? Zoo

by Tamra Orr

Learn how zoos are built and what sorts of things zoo builders need to think of before construction begins.

How Did They Build That? Lighthouse

by Tamra Orr

Find out how lighthouses work and how they have changed throughout history.

This Is Rocket Science: True Stories of the Risk-taking Scientists who Figure Out Ways to Explore Beyond

by Gloria Skurzynski

..three, two, one... we have liftoff! From the award-winning author of Are We Alone? comes a title to propel young imaginations far into space. This Is Rocket Science explores the past, present, and future of...