How many drops of water can you fit on a penny? Test your skills and explore the invisible forces of surface tension!
Surface tension makes water do some surprising things! In this hands-on activity, you’ll use an eyedropper to carefully place water droplets onto the surface of a penny. Can you beat the record? As you stack more and more drops, you’ll see the water bulge and cling together—almost like it’s “sticky!” Learn how molecules pull on each other to create surface tension, and discover the science behind this everyday mystery.

STEAMteam
STEAMfest is made possible with the help of hundreds of organizations and volunteers, both within the Woodlawn School Community and without. The STEAMteam is responsible for the planning, promotion, organization, and execution of STEAMfest.
Each year the STEAMteam creates a number of activity booths based on the teams skills and experience.
Meet The STEAMteam
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STEAMfest 2025
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