Saturday, November 7, 2015

STEM Saturday: Marble Runs

What fun we had today at the library using found objects to make marble runs! We tried to make a marble travel from the top of a wall to the bottom by going through paper towel tubes, pool noodle pieces, paper cups, plastic pieces, funnels and lots more.
When our marble couldn't follow the path we we'd created, we watched carefully to see where the problem was, then thought about adjustments we could make to that area of the marble run. Sometimes a little tweak worked, and sometimes a whole new design was necessary. Kids talked about the activity and explained what they were doing and why things did or did not work.
Kids watched carefully as their marbles made their way down the marble runs. When the marbles reached their destinations, people cheered! Sometimes the marbles moved so fast down the marble run that they spun around inside cups! Amazing!
Here are some marble runs in action!

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