Dans la collection Une minute de science svp!, Le son est vibration explique à l'aide d'archives, d'animation et d'une narration amusante ce qu'est le son.
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Dans la collection Une minute de science svp!, Le son est vibration explique à l'aide d'archives, d'animation et d'une narration amusante ce qu'est le son.
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.