Sound (Stop Faking It!)Online Periodical or Article
The book introduces sound waves and uses that model to explain sound-related occurrences. Like the other popular volumes, it is written by irreverent educator Bill Robertson, who offers this Sound recommendation: "One of the coolest activities is whacking a spinning metal rod to create a 'wah-wah' effect. It's a simple activity--the explanation incorporates several interesting properties of sound.
Publisher: Arlington, VA : National Science Teachers Association