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Activity (Hands-On)Grades 8 - 10

Whatever Floats Your Boat!

Students stand around two classroom-made water channels and watch their boats race to the opposite end. Two fans propel the boats down each channel.Student-designed boats race down two water channels.

For this challenge, students use a variety of common office and household supplies to design a boat. Their goal: to not only have the fastest boat, but to also take into account how much mass (or “cargo”) the boat can carry, the stability of the boat in the water, the total mass of the boat, boat aesthetics, and how much it “costs” to construct. A fan supplies wind and propels each boat down the lane of a small pool. Students work through the engineering design process as they brainstorm ideas with their teams, design and test their boats, redesign, and then retest to make the boats as efficient as possible.

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