Steve Spangler Science
Sound Hose - Whirly Tube
Long, rippled, plastic tubes are swung around in circles, making air pass through them, and creating sound waves. This is a simple and inexpensive toy that you can let learners experiment with as they learn about sound and pitch. Go...
Curated OER
Whirling Twirling Sound
Long, rippled, plastic tubes are swung around in circles, making air pass through them, and creating sound waves. This is a simple and inexpensive toy that you can let learners experiment with as they learn about sound and pitch. Go...