Simple machines wheels, levers, and pulleys
Kids use simple machines every day without realizing it. Teeth are wedges and so are knives, forks, and thumbtacks. Many toys such as slides, which are inclined planes, and seesaws, which are levers, are also simple machines. Two appealing kids and their comical cat introduce levers, wheels, pulleys...
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Bibliographic Details
| Main Author: |
Adler, David A.
(Author) |
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| Other Authors: |
Raff, Anna
(Illustrator) |
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| Format: | Books
Print Book
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| Language: | English |
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| Published: |
New York :
Holiday House,
[2015]
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| Edition: | First edition. |
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| Subjects: | |
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