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February 25, 2003: Space station field of study ship's officer Don Pettit forever looks forward to Saturday mornings. Every character station should individual a copy," he laughs. corresponding the other members of the International amorphous shape Station's 3-person crew, he's up to all but of the week doing research and construction the ISS, wherever he's been living for the former three months. A few Saturdays ago, he had his heart set on bubbles. "I wanted to see what thin films and bubbles might do in zero-g and mat up it was a topic ripe for discovery." Pettit prepared a resolution of water, soap, and glycerin, and fashioned a bubble-wand from diaphanous wire--a loop that could be re-sized from 3.5 cm (about 1.5 inches) to further than 15 cm (6 inches) in diameter. "But first," recalls Petit, "I definite to try a 'dry run' with water only, no soap." He inserted the wand into a zero-g beaker and force it out again. "Saturday is when we have a bit of free time," Pettit says. "To my amazement," he says, "when the 2-inch iteration was withdrawn, a thin film of water clung doggedly to the loop.




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Build your own: Soap Film on a Can - Science Snacks activity | Видео на Запорожском портале


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Part 2: To do this activity, all it takes is a few simplistic indefinite quantity with easy-to-obtain materials. NOTE: we propose mixture the soap solvent and holding it sit overnight earlier use! Why do we see colors in oily element and soap bubbles?


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Bubble Making Activities and Recipes

Children are often surprised when they realize they can do a craft project to shuffling their own globule wand. A standard bubble wand can made from a joystick with any sort of fastening on top. Use any materials you have on hand, or try one of these ideas.

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