Saturday, September 23, 2017

Surprising Sound

July 11, 2010 by  
Filed under Science Projects, Things To Make

Find a four-foot piece of string or thick thread.  The only other thing you’ll need is a metal wire coat hanger.  A plastic coat hanger won’t work, it must be metal. Tie the middle of the string to the hook of the coat hanger.  That’s it for your preparation! Now it’s time to try it. […]