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Experimento: Fabrica un tímpano

Experimento: ¡Atrapa la moneda

Cómo funciona el tímpano.

Qué Necesitas

  • Un bol o recipiente grande
  • Papel film
  • 20-30 granos de arroz crudo
  • Una plancha metálica para cocinar galletas

Qué Debes Hacer

  1. Para fabricar un modelo de tímpano, estira un pedazo de papel film sobre el bol o recipiente. Asegúrate de que el papel film quede bien tirante. El papel film funcionará como el tímpano.
  2. Coloca unos 20-30 granos de arroz crudo sobre el papel film.
  3. Ahora necesitarás un poco de ruido. Sostén la plancha metálica cerca del papel film. Golpea la plancha para lograr un sonido “explosivo” y observa cómo saltan los granos de arroz. ¡Ahora ya sabes de qué manera el sonido hace que tu tímpano vibre y le envíe mensajes al cerebro acerca de los sonidos que estás escuchando!

Experimento: ¡Atrapa la moneda!

Reviewed by: Peace C. Madueme, MD
Date Reviewed: 00-00-0000

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