PBS Anywhere

Providing Support for PBS.org

Science Trek

D4K: Sound

Special | 28m 49s

Sounds fill the world around us, but what exactly are sounds? On this month’s D4K broadcast show, Host Joan Cartan-Hansen and her guest scientists will answer students’ questions about this area of physics.

Aired: 10/15/12

Rating: TV-G

Video has closed captioning.

Problems Playing Video?

Major Funding Provided by the Laura Moore Cunningham Foundation