Simple machines
"Machines help make work easier, like when you need to lift something heavy or reach way up high. There are six simple machines: the lever, the wheel and axle, the pulley, the ramp, the wedge, and the screw. Can you adjust a seesaw to lift an elephant? What happens when you combine two or more simpl...
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| Main Author: | |
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| Other Authors: | |
| Format: | Books Print Book |
| Language: | English |
| Published: |
New York, NY :
Harper, an imprint of HarperCollins Publishers,
[2015]
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| Edition: | First edition. |
| Series: | Let's-read-and-find-out science.
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| Subjects: | |
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| Summary: | "Machines help make work easier, like when you need to lift something heavy or reach way up high. There are six simple machines: the lever, the wheel and axle, the pulley, the ramp, the wedge, and the screw. Can you adjust a seesaw to lift an elephant? What happens when you combine two or more simple machines? Read and find out!"Amazon website. |
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| Physical Description: | 38 pages ; 26 cm |
| Audience: | 4-8. K to 3. |
| ISBN: | 9780062321473 (pbk.) 0062321471 (pbk.) 9780062321480 (hardcover) 006232148X (hardcover) |
