Whatever Floats Your Boat
In this floating boat challenge, students are to build a boat that can float and support 25 pennies for at least 10 seconds —without leaking, sinking, or tipping over. Each team has access to some plastic wrap, plastic straws, paper cups, duct tape and 25 pennies. Students do not have to use all of the materials in constructing their boats. They must use the materials wisely, though: there are no replacements for tangled-up duct tape or cut up paper cups. Each team receives a tub of water that they can use to test the effectiveness of their boat.
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