Pressing down the lever
"Pressing Down explores the benefits and uses of the lever. RobbO and RobbEE learn how a lever can be formed in three different ways to do different kinds of work--lift and lower, separate, and open."-- Provided by publisher.
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| Main Author: | |
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| Format: | Books Print Book |
| Language: | English |
| Published: |
St. Catharines, Ontario ; New York, New York :
Crabtree Publishing,
[2014]
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| Series: | Robotx get help from simple machines
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Centre County Library, Bellefonte
| Call Number: |
J621.8 Ba |
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| Copy 542664 | Checked In Place a Hold |
Holt Memorial Library, Philipsburg
| Call Number: |
J621.8 Ba |
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| Copy 545272 | Checked In Place a Hold |
Centre Hall Area Branch Library
| Call Number: |
J621.8 Ba |
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| Copy 545273 | Checked out – Due: 11/14/2026 Recall This |
