Bicycles /
by Jenny Fretland VanVoorst.
- 24 pages : col. ill. ; 24 cm.
- Early physics fun. .
- Fretland VanVoorst, Jenny, 1972- Early physics fun. .
Includes bibliographical references and index.
Wheels and axles -- Kinetic energy -- Friction.
"Carefully leveled text and vibrant photographs show early fluent readers some of the physics principles that make bicycles work as they do. Includes activity, glossary, and index."--