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Media
Simple Machines Song -
Science4Us.com
What is an Inclined Plane
Simple Machines |Mocomi Kids
Inclined Plane and Simple
Sid the Science Kid
The Jim Henson Company 1999
The Pulley Ramp 5
"The ABC's of Machinery"
Not that Bad Records|Bill Nye
Bill Nye The Science Guy -
Simple Machines
Published on Oct 11, 2014
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