For this "Plankton Race", we were told to make a "plankton" out of as many or as little of the things we were given that would take the longest to sink to the bottom of a jug of water. This taught us that plankton needed to sink the slowest or else they would die from lack of sunlight.
My partner and I created our plankton out of a toothpick, a rubber band, a fuzzy ball, and a thin square of flimsy plastic. The hardest part was getting a consistent time. The more we tested it, the wetter the toothpick became which made it sink faster. My partner and I ended up having the slowest time of 21.18 seconds. I wouldn't change anything about our design considering we had the slowest time.
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