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24 pages • missing pub info (editions)
ISBN/UID: 9781614732730
Format: Not specified
Language: English
Publisher: Child's World
Publication date: 01 August 2012
Description
Readers learn how this simple machine makes it easier to move things to different levels. They learn how flatter slopes use less effort than steeper slopes. By the end of the book, readers know the difference between complex and simple machines an...
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Content Warnings
24 pages • missing pub info (editions)
ISBN/UID: 9781614732730
Format: Not specified
Language: English
Publisher: Child's World
Publication date: 01 August 2012
Description
Readers learn how this simple machine makes it easier to move things to different levels. They learn how flatter slopes use less effort than steeper slopes. By the end of the book, readers know the difference between complex and simple machines an...
Community Reviews
Content Warnings