This book is an introduction to wheels and axles, including examples we see every day and how wheels and axles have been used through history.
General Note
Title proper from title frame.
Includes index.
Includes glossary.
Book description - 24 p. : ill. (chiefly col.) ; 21 cm.
Content Note
What is a wheel and axle? - The parts of a wheel and axle - The wonders of the wheel - The wheel and axle at work - The first wheel and axle - Wheels and axles through time - Let's travel by wheel and axle! - Wheels, axles, and you - An experiment with wheels and axles - Wheels and axles that go super fast.