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Float My Boat
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In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?
Foam Tower
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In this activity (page 1 of the PDF under SciGirls Activity: Water Slides), learners will whip up some suds with a cup of water and a tablespoon of dish soap until the bubbles are stiff enough to star
Rescue Mission
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In this hands-on activity, learners use the steps of the design process to create a hook to rescue a "space capsule" from the water.
Watercraft
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In this design challenge activity, learners build a boat that can hold 25 pennies (or 15 one inch metal washers) for at least ten seconds before sinking.
Design a Submarine
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Learners act as engineers and design mini submarines that move in the water like real submarines.
Filtration Investigation
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In this activity, learners explore how engineering has developed various means to remove impurities from water.
Marshmallow Models
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No glue is needed for learners of any age to become marshmallow architects or engineers.
Great Steamboat Race
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In this outdoor activity, learners race small boats, made of cork, balsa wood, popsicle sticks etc., to investigate the rate and direction of currents in a stream or creek.
Low-Tech Water Filter for High-Impact Clean
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In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water over time.
Build An Aqueduct
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In this activity, learners use the design thinking process to design and build their own aqueduct, or water bridge.