The Marble Run Competition

 

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My school was doing a marble run competition for 3rd through 5th grade. I brought a note home about the Marble Run. I read that it had to be 5 seconds long and you could build it by yourself or in a group. I thought that it would be interesting to do. We decided to create a group with my some of my friends that also wanted to compete. My friends names were Travis, Adi, and Ishan.

The first day we got together, we had a bunch of materials that were going to try to use to create a marble run: shoeboxes, cardboard, paper towel rolls, cardboard paper, plastic bottles, and string. We tried to build some tunnels, but it didn’t work out so well. Some of the group members couldn’t agree on what to do. We ran out of time. We decided that the next time we meet, we should each create a diagram.

The second day we showed each other our ideas and diagrams.  We started to build ramps in shoeboxes. We realized that the ramps lasts approximately 3-4 seconds. So we each decided to go back home and build our own ramps. We were then going to join them all together. The third day we put together all our shoeboxes and built a maze that the marble was going to go in through. And finally the fourth day we were just testing it out to see if it needed some final touches. I got to use a hot glue gun by myself for the first time!

Here is a picture of our marble run. It lasted 12.5 seconds!!!

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Here are some other cool marble run ideas from students at John Green Elementary.

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