A clip in the Science Please! collection, Sound Is Vibration uses archival footage, animated illustrations and amusing narration to explain what is the sound.
Ages 6 to 9
Science - Physical Science
Teacher asks students to: - view excerpts of science-fiction films and address the improbabilities of spaceships making noise; find out how astronauts communicate; - study the range of sounds perceived or produced by various animal, from whales (infrasound) to bats (ultrasound); - experiment with resonant frequency by causing stemmed glasses filled with different amounts of water to vibrate; place the glasses in order so as to play an ascending scale.