We had a wonderful time today at the first "Engineering with LEGOS!" The focus of this PD was Gears. The lesson developed integrated the ratios of gears through vocabulary foldables, fraction strips, and the use of video.
The first activity looked at the rotation of gears and how the consecutive gears change rotational direction.
Then we moved on to Reel Changes, an activity that investigated the relationship between different size gears and which gear is the driver gear or the driven gear.
Using fraction strips we developed the idea of the ratios of related gears to each other and how it could be taught conceptually to students.
Finally we created catapults and experimented with the distance of the projectile compared to the position of the pivot.
It was a wonderful day- one in which I hope translates to enjoyable learning for the children in these teachers classrooms. Thanks for taking this opportunity!
To see all the photos from today use this link
https://plus.google.com/photos/114070881976309519645/albums/5707691815289847681?authkey=CJHlkpuKt56CmgE
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