Introduction to Sound

Front

What causes things to vibrate?

Back

Sound causes things to vibrate.

Front

What makes sound because of vibrations?

Back

Instruments make sound because of vibrations.

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Front

What do you feel when you touch your throat while humming?

Back

You feel vibrations.

Front

What does vibrating mean?

Back

Vibrating means moving back and forth really fast.

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Front

What are vibrations that travel through the air?

Back

Sound waves are vibrations that travel through the air.

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Front

What is sound?

Back

Sound is a type of energy made by vibrations.

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Front

Can rocks make sound?

Back

No, rocks do not make sound because they do not vibrate.

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Front

What happens when you pluck a guitar string?

Back

The string vibrates and makes sound.

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Front

What do we call the movement of sound waves?

Back

The movement of sound waves is called propagation.

Front

What is an example of a sound source?

Back

A drum is an example of a sound source.