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40 pages • missing pub info (editions)
ISBN/UID: 9780062321473
Format: Paperback
Language: English
Publisher: HarperCollins
Publication date: 06 October 2015
Description
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 eleph...
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40 pages • missing pub info (editions)
ISBN/UID: 9780062321473
Format: Paperback
Language: English
Publisher: HarperCollins
Publication date: 06 October 2015
Description
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 eleph...
Community Reviews
Content Warnings