Curated Video
Science Experiment: Soap-Powered Boat
Here is our soap powered boat that Alex has made from a business card. He cut corners of the card and put soap at the back of the boat. After he placed the boat onto the water, it scooted across. To try that again, we needed to rinse out...
Khan Academy
Khan Academy: Physics: The Marangoni Effect: Make a Soap Propelled Boat!
The differences of surface tension between soap and water can really make things go! This video shows some interesting demos illustrating the Marangoni Effect. Two liquids with different surface tensions will result in a surface tension...