A foundational look at wedges, explaining how these simple machines work and describing some common examples, such as shovels, that have been used throughout history.
Format:Library Binding
Language:English
ISBN:1608180123
ISBN13:9781608180127
Release Date:January 2011
Publisher:Creative Education
Length:24 Pages
Weight:0.75 lbs.
Dimensions:0.3" x 10.0" x 8.8"
Age Range:5 to 7 years
Grade Range:Preschool to Grade 2
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