Surface Tension Science: Build a Raft Powered by Soap #makereducation
Here’s yet another great science project from Scientific American on how to build a raft powered by soap:
Have you ever wondered why a water strider bug can walk on water? Would you believe it is based on the same reasons soap can clean your dishes? In fact, if you look around you carefully, you can find dozens of interesting phenomena that depend on the surface tension of water. In this science activity you will make a little raft that is actually powered by surface tension—and use your vessel to investigate how surface tension works!
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.