A Wind-Up on Twitter

Twitter can be a great source of professional development, inspiration and collaboration for teachers. Just the other day I was looking for a hands-on activity with which to demonstrate elastic potential energy and energy transfer and so I tweeted for ideas. Here are some of the wonderful suggestions I received from the Twittersphere. Thank you everyone for your contributions!

Wind-up butterflies

Butterfly

Image credit: youaremyfave.com. Full instructions availableĀ here

Jumping insects

Cotton reel car

Rubber band powered car

Flipping toy

Balloon hovercraft

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