Sound Energy

Multiple Choice

Which component is responsible for moving sound through the air into our ears?

• Amplitude

• Vibrations

• Wavelengths

• Inner ear structure

Multiple Choice

Which statement best supports the answer to Part A?

• Structures in your inner ear vibrate based on the amplitude and wavelength of the sound wave.

• Your brain interprets sound waves as music.

• Vibrations from musical instruments move the air in waves.

• Amplitude is the height and wavelength is the length of a sound wave.

Music and Pitch | STEAM Camp | PBS

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Musicians use their instruments to make a

Music and Pitch | STEAM Camp | PBS

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of different pitches that create a

piece.

Music and Pitch | STEAM Camp | PBS

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For example, a viola uses a bow to create

.

Music and Pitch | STEAM Camp | PBS

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The friction produces

on the strings. The vibrations travel through the viola and out into the air.

Music and Pitch | STEAM Camp | PBS

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____________ is the difference between a high and low _______________. The tighter the string, the faster a wave travels and the higher the pitch. The looser a string, the slower a wave travels and the lower the pitch.

Drums | ZOOM | PBS

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Drums are _______________ that have a thin piece of _______________ stretched over a container.

Drums | ZOOM | PBS

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Drums are made of many different materials. The size and shape of the _______________ affects how high or low the _______________ is. Larger containers produce a low pitch. Smaller containers produce a high pitch.