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¿Por qué algunos sonidos son agudos y otros son graves?

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¿Por qué algunos sonidos son agudos y otros son graves?
Lesson narration:
English Spanish
Scroll for prep
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CONVERSEMOS:

¿Qué opinas: qué hace que ciertos sonidos sean más GRAVES y otros sean más AGUDOS?

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Obtén esta hoja de trabajo y contesta las dos preguntas sobre las que acabas de platicar. (Vas a contestar las otras preguntas más adelante).

High vs low pitch

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CONVERSEMOS: ¿Cómo describirías la diferencia entre las ondas sonoras de un sonido agudo y las ondas sonoras de un sonido grave?

High vs low pitch

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Encierra en un círculo que palabras usarías para describir la onda sonora de un tono agudo comparada con la onda sonora de un tono grave.

Worksheet spread out vs scrunched

Nota: No olvides jugar con el osciloscopio virtual que incluimos en los Extras.

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CONVERSEMOS:

¿Cuál de estos es el sonido MÁS agudo? Explica cómo lo sabes.

Oscilloscope images

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CONVERSEMOS:

¿Cuál de estos es el sonido MÁS grave? Explica cómo lo sabes.

Oscilloscope images

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onda sonora


1 de 8

la manera en la que los sonidos viajan de un lugar a otro, en un patrón de arriba a abajo
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osciloscopio


2 de 8

una herramienta que puede mostrarnos cómo se ven las ondas sonoras
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tono


3 de 8

lo agudo o grave que es un sonido cuando lo escuchas
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longitud de onda


4 de 8

la distancia entre dos puntos de una onda
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frecuencia


5 de 8

una medida del número de ondas que pasan cierto punto en cierto tiempo
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experimento


6 de 8

una prueba que se usa para descubrir más información sobre una pregunta
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amplitud


7 de 8

la altura de una onda
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volumen


8 de 8

lo fuerte que es un sonido, se mide en la altura de una onda sonora
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Image & Video Credits

Mystery Science respects the intellectual property rights of the owners of visual assets. We make every effort to use images and videos under appropriate licenses from the owner or by reaching out to the owner to get explicit permission. If you are the owner of a visual and believe we are using it without permission, please contact us—we will reply promptly and make things right.

Exploration
Relaxing 3 Hour Video of California Ocean Waves by MoneySavingVideos , used under CC BY
three girls laughing and walking by Mat Hayward
girl singing karaoke by Elnur
"the mosquito" by LadyofHats , used under CC BY
17400 Hz 17.4 kHz Sine Wave Sound Frequency Tone Mosquito Tone by Beeps, Chirps and Noise/EpicPuzl781
speaker system by MeemiePhoto
7 Eleven Fukushima Shinchi Town Shop by Kuha455405 , used under CC BY-SA
assembling circuit components by Robert Wydro Studio
black speaker by gualtiero boffi
girl covering her ears by Dean Drobot
hands holding cell phone by Africa Studio
students sitting in class by Rawpixel.com
girl playing flute by aboikis
man playing tuba by Ollyy
man playing flute by charles wong , used under CC BY
young boy playing tuba by jaishaunglover11
man playing guitar isolated on black background by Pressmaster
Schlieren by NASA , used under Public Domain
schlieren effects: book close by Mike Hargather
schlieren effects: audio/sound by Mike Hargather
schlieren effects: bottle rocket by Mike Hargather
ripples in a pond by IRIS EPO
visual: schlieren effects by Mike Hargather
oscilloscope by rwg42985
oscilloscope generator by Academo , used under Public Domain
Other
trombone player by Ollyy
Credits
Lesson narration:
English Spanish

Activity Prep

Print Prep

In this lesson, students discover that sound is a wave. In the activity, Making Waves, students draw the waves that different sounds make using a virtual oscilloscope, a machine that shows images of sound waves. Then they vibrate a rope to make waves that look like the ones made by the oscilloscope.

Preview activity
Number of students:

I have a Mystery Pack

Be The Vibration worksheet 1 per student
Be The Vibration Answer Key teacher-only resource 1 per class
Sound Vibrations worksheet 1 per student
Sound Vibrations Answer Key teacher-only resource 1 per class
Clotheslines
Cut to 12-15 foot lengths. Jump ropes or telephone cords will also work.
Details
15 feet per 8 students
Prep Instructions

For the rope activity, you’ll need a smooth, hard floor where you can stretch out a rope that’s 12 to 15 feet long. Students can take turns making waves. We suggest having at least one rope for each group of 8 students.

Prepare the Rope or Clothesline

For each group of students, you’ll need a flexible rope or clothesline measuring 12 to 15 feet in length.

Virtual Oscilloscope Extension (Optional)

In our Extensions section, we include a link to an online oscilloscope that you can use to extend your exploration of the patterns made by sound. Using this tool, students can experiment with different sounds and see the patterns that the waves make.

Exploration

30 mins

Hands-On Activity

30 mins

Extend this lesson

Vocabulary

Unit Reading

Activity

Mini-lessons

Activity

Transcripts

Credits