The fort on Fourth Street a story about the six simple machines
Building a fort in the backyard, a grandfather and granddaughter get help from six simple machines: lever, pulley, inclined plane, wheel and axle, screw, and wedge.
| Main Author: | Spangler, Lois, 1947- |
|---|---|
| Other Authors: | Wald, Christina (Illustrator) |
| Format: | Books Print Book |
| Language: | English |
| Published: |
Mt. Pleasant, SC :
Sylvan Dell Publishing,
[2013]
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| Subjects: |