The Sponge Challenge
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Grades 6 - 12
45 Minutes
Overview
Students devise a method to wet all parts of a sponge (inside and out) within 10 seconds. This activity demonstrates an important lesson in life science about cell size.
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Copyright © 2026, Mizzen Education, Inc. is a 501(c)(3) nonprofit on a mission to empower, uplift and support out-of-school time educators.