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A couple of days ago I explained the experiment to the students and allowed them time to make predictions. Many thought the Gobstoppers would rotate around the bowl, switch places with each other, or that the colors would mix randomly inside the bowl. Today was the day we got to see what would happen.
We started with a white bowl filled with a little bit of water.
Next, we added four Gobstoppers. The kids were sure to point out that I placed them like a compass rose – North, South, East, West.
Then, it was time to observe. The kids noticed changes to the Gobstoppers right away.
Soon, the colors began spreading even more.