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Dragonflytv

Simple Machines

Season 4, Episode 13 of 13

Jonathan and Angus from Michigan work with their local science center on some fun, flingin' science to learn about trebuchets. Allie and her friends race around the track to investigate kart racing. And DRAGONFLY TV asks: without using wheels, how can you carry 20 gallons of water?

More From this Series

Previously Aired

Day
Time
Channel
11/8/2009
3 p.m.
PBS Kids
5/26/2012
3 p.m.
PBS Kids
5/27/2012
9:30 a.m.
PBS Kids
8/31/2013
3 p.m.
PBS Kids
9/1/2013
9:30 a.m.
PBS Kids
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