Look around you and you will see these simple machines everywhere. Discover how inclined planes and wedges are used and how they make work easier!
Editions · 6
Hardback
2001 · Lerner Publications
47 pp · EN
9780822522218
Paperback
2001 · Lerner Pub Group (T)
48 pp · EN
9780822522157
Paperback
2003 · Lerner Classroom
48 pp · EN
9780822533467
Paperback
2006
54 pp · EN
9780822529705
Paperback
2008 · Lerner Publishing Group
48 pp · EN
9781580134347
Paperback
2014 · Lerner Publishing Group
47 pp · EN
9781281280824
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