Colorado Parks & Wildlife Research Library

An acrobatic act begins with one bear on a unicycle and ends with twenty-one bears and sixteen wheels flying through the air.

Describes experiments involving simple machines that follow the scientific method, and can be completed in an hour or less. Explore using levers to control motion and lift, and how the steepness of inclined planes affects the force needed to move something. Most experiments also include ideas for science fair projects.

Pictures and simple text describe the many uses for wheels.

"Engaging images accompany information about Hot Wheels. The combination of high-interest subject matter and narrative text is intended for students in grades 3 through 8"--

Text and illustrations describe the simple machines of wheels and axles.

This title discusses the rides that resembled Ferris wheels that have been around for hundreds of years. Readers will learn that that the first and only true Ferris wheel was built by George Ferris Jr. for the 1893 World's Columbian Exposition in Chicago, Illinois. Today's Ferris wheels are even bigger, better, and bolder. Aligned to Common Core Standards and correlated to state standards. Abdo Kids Jumbo is an imprint of Abdo Kids, a division of...

"This book takes the reader on a fact-packed journey through the subject of wheels, from bicycles to driverless cars, via wheeled toys, Ferris wheels, potter’s wheels, and chariots along the way."--Amazon.com.