ISBN:

• 9781448812974
• 9781448806829

Edition: First edition.

Description: 24 pages : color illustrations ; 22 cm.

Notes:

• Includes index.
• Includes bibliographic references (page 24) and index.

Contents:

• What is a lever?
• How does a lever work?
• Different kinds of levers
• First-class levers at work
• Second- and third-class levers
• The earliest levers
• Levers today
• Using leverage every day
• An experiment with levers
• You can be a lever, too!

LCCN: 2009054346

Control Number: 875842

Series:

• Gosman, Gillian. Simple machines at work.
• Simple machines at work

Subjects: Levers -- Juvenile literature.