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“I need a science project that has a real-world application,” said my 7th grade son. “Our teacher says we can’t just put Mentos in a bottle of soda.” The Are Enzymes in Laundry Detergents Effective Stain Removers? project immediately grabbed his attention because he knew it would pass muster with his teacher. After all, what is more real-world than laundry?
Scrubbing can help remove those stains physically, and enzymes in laundry detergents can help remove them chemically. Enzymes are proteins that help chemical reactions occur, and some laundry detergents use them to increase the chances that the detergent can break down stains in clothing.
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, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, 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.