Caillou spends his summer doing many new things. While the family is on vacation, they go to the beach and camping in the woods. The cold water takes some getting used to but once he's in, it's ...

SEYMOUR: Hello! Seymour Science here with my musical friend Davina…and today we’re talking about…SOUND! La, la, la la la la la laaaa…. DAVINA: Err, thanks Seymour! So, how are sounds made?

A sound wave is a vibration that travels through a solid, liquid or gas such as the air or water. A loud sound has a large amplitude, a high pitched sound has a high frequency. Musicians and ...