Tornillos / Screws (Libros De Fisica Para Madrugadores / Early Bird Physics) (Spanish Edition) - Softcover

Walker, Sally M.; Feldmann, Roseann

Softcover

ISBN 10: 0822529793 ISBN 13: 9780822529798

Publisher: Ediciones Lerner

Synopsis

We've all seen screws, but how do they work? Why is it easier to screw something into something than to simply push it in? With basic hands-on experiments and clear descriptions, this simple machine is explained.

About this title

About the Author

Sally M. Walker has been a children's book writer for over 20 years. Most of her books are nonfiction and present various science topics to young readers. Fossil Fish Found Alive is the story of the hunt for the elusive fish called the coelacanth. Sally also enjoys combining science investigation with historical topics. Her book Secrets of a Civil War Submarine, which won the 2006 Robert F. Sibert Medal, tells about the history, loss, and re-discovery of the first submarine to sink an enemy ship in battle. Written in Bone: Buried Lives of Jamestown and Colonial Maryland takes readers on archaeological expeditions, where the forensic analysis of colonial settlers' bones helps us to understand their lives. Sally especially enjoys writing narrative nonfiction that captures the reader's attention with a true story.

About this edition

• Publisher: Ediciones Lerner
• ISBN 10: 0822529793
• ISBN 13: 9780822529798
• Binding: Paperback
• Number of pages: 48