Introduction to Sound

Front

What is the primary reason that all instruments make sound?

Back

Instruments make sound because of vibrations.

Front

What do you experience when you hum and touch your throat?

Back

You feel vibrations.

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NGSS.MS-PS4-1

Front

What term describes vibrations that travel through the air?

Back

Sound waves.

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NGSS.MS-PS4-1

Front

What happens when a speaker produces a loud sound?

Back

It can cause things to vibrate.

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Front

How can you demonstrate that a tuning fork is vibrating?

Back

By placing it in water.

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NGSS.MS-PS4-2

Front

What is the definition of sound?

Back

Sound is a type of energy made by vibrations.

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NGSS.MS-PS4-2

Front

What are the two main types of sound waves?

Back

Longitudinal waves and transverse waves.

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Front

What is the speed of sound in air at room temperature?

Back

Approximately 343 meters per second.

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NGSS.HS-PS4-1

Front

What is the relationship between frequency and pitch?

Back

Higher frequency results in a higher pitch.

Front

What is amplitude in the context of sound waves?

Back

Amplitude refers to the height of the wave and is related to the loudness of the sound.

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