Thales, Sharon.
Wedges to the rescue / by Sharon Thales. - Mankato, Minn. : Capstone Press, c2007. - 24 p. : col. ill. ; 21 cm. - First facts. Simple machines to the rescue . - Thales, Sharon. Simple machines to the rescue. First facts. .
Includes bibliographical references (p. 23) and index.
Explains how wedges are used, presents examples of wedges used in the past and in everyday contemporary life, and includes a related activity.
2.7 K-3 Follett Library Resources
0736867503
2006021495
Wedges.
Simple machines.
TJ1201.W44 / T43 2007
621.8
Wedges to the rescue / by Sharon Thales. - Mankato, Minn. : Capstone Press, c2007. - 24 p. : col. ill. ; 21 cm. - First facts. Simple machines to the rescue . - Thales, Sharon. Simple machines to the rescue. First facts. .
Includes bibliographical references (p. 23) and index.
Explains how wedges are used, presents examples of wedges used in the past and in everyday contemporary life, and includes a related activity.
2.7 K-3 Follett Library Resources
0736867503
2006021495
Wedges.
Simple machines.
TJ1201.W44 / T43 2007
621.8