Readers learn how this simple machine makes it easier to split things apart or stop them from moving. They learn how thicker wedges need more force to split something apart than thinner wedges. By the end of the book, readers know the difference between complex and simple machines and how wedges are used in everyday life to make work easier.
|Interest Level||Preschool - Grade 2|
|Reading Level||Grade 1|
|Publisher||The Child's World, Inc.|
|Number of Pages||24|
|BISACS||JNF051010, JNF051140, JNF051130|
|Graphics||Full-color photographs, Full-color illustrations|
|Dimensions||9.5 x 8|
|Guided Reading Level||P|
|Features||Author/Illustrator biography, Educational front/back matter, Glossary of key words, Index, Informative sidebars, Phonetics, Reviewed, Sources for further research, Suggested websites, and Table of contents|
- Tools and Machines
- The Work Wedges Do
- Split It
- Hold It Open
- Thick or Thin?
- Books and Web Sites