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Gear Basics

Purchase: http://hilaroad.com/video This video resource is designed to provide a basic introduction to gears suitable for grades 4 to 9. Gear rotation, gear ratio, rates of rotation, mechanical a...  
 
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inventormoh (1 month ago) Show Hide
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awsome video .
Maartenn100 (1 month ago) Show Hide
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I hope ScienceOnline will make more vids exactly like this. It's very good explained! Thanks a lot. (From Europe, Belgium).
darksideofthebrick13 (1 month ago) Show Hide
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this is soo cool! I want to modify my 21 speed to a 28 speed now!
syedfezu (1 month ago) Show Hide
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great work.
u just make it so easy to understand
michaeljjeffrey (2 months ago) Show Hide
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This is very simple, BUT it's simply brilliant. I love this video - GREAT WORK !!!
Jiosonus (2 months ago) Show Hide
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A very good video. I believe all science should be like this. Simple, straightforward, easy to follow along.
lmeister3 (2 months ago) Show Hide
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Awesome
AdmiralZhao007 (3 months ago) Show Hide
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isn't 3:32 the rideau canal?

I've been there

proud to be canadian lolz
lionsforlyons (2 months ago) Show Hide
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ya thts wht they said on the ottawa river
AdmiralZhao007 (3 months ago) Show Hide
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oh yeah!! i remember that! like the first toa that came out, you could spin a stick in the back, and both their arms would move, or to do a chopping action, or other things like that. ahhh..those were the days...

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