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6.
Simple Machine Song  |
This is a song written and performed by Science Explosion, a group of science educators.
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[1.00] Votes: [2] Hits: [1606] | Aug 27, 2008 | Add To
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8.
The Pulley |
Watch this video from Eureka to learn how Pulleys make lifting things easier.
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| Rating:
[0.00] Votes: [0] Hits: [361] | Sep 24, 2012 | Add To
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