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Raft Building Competition
Raft Building Competition
Brandi Blankenship
Monday, November 09, 2020

Ms. Blankenship's 7th grade classes have been learning about buoyancy, density, surface tension, and Archimedes' Principle.  In this activity students were asked to design, build, and test a raft that will float with the most marbles from the given materials of tin foil and straws.