Tip - Grass Whistle

Published 9 years, 4 month(s) ago | Submitted by Pam Gregory

Learn how to make all sorts of unusual sounds with a blade of grass.
Tags: sound,resonance,science,school,project,education,tech

For further reading: http://www.dailymotion.com/video/x3f2ih_grass-whistle_people

Posted: 9 years, 4 month(s) ago

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