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From PBS’ Adventures in Learning, Jennifer Cooper hosts an Electric Dough playdate to make and test circuits. For this project, developed by engineering educator AnnMarie Thomas, you’ll need homemade conductive play dough and insulating play dough, a battery pack, batteries (we highly recommend these rechargeables), and light emitting diodes/LEDS. Click here for the how-to details.

Related hands-on projects: LED Origami and Sick Science! Build a Lightbulb. Bonus: Circuit Playground’s A is for Ampere.

Gravitational acceleration + optical illusions + how to! In this Get Set… Demonstrate, science teacher Alom Shaha shows step by step how to create Pearls of Water, a physics-defying demonstration that must look even more unbelievable in person than it does on video.

And if you want to see this in person, the instructions, equipment list, and safety notes for setting it up are here (pdf).

Want to see similar versions of this illusion? Check out artist Matt Kenyon’s Supermajor and Brusspup’s Amazing Water and Sound Experiment.

via Science Demo.