Introduction to Sound

Front

What is sound?

Back

Sound is a type of energy that travels in waves and can be heard when it reaches a person's or animal's ear.

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How do we know a tuning fork is vibrating?

Back

We can show that a tuning fork is vibrating by placing it in water and observing the ripples.

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Front

What happens when a speaker makes a loud sound?

Back

When a speaker makes a loud sound, it can cause objects around it to vibrate.

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Front

What type of sounds can break glass?

Back

Very loud sounds can cause glass to break.

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Front

Why does a guitar make different sounds?

Back

A guitar makes different sounds because each string has a different thickness.

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Front

What happens when you hit a drum?

Back

When you hit a drum, it causes the drum to vibrate.

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Front

What is vibration?

Back

Vibration is a rapid back-and-forth movement that produces sound.

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Front

Can sound travel through water?

Back

Yes, sound can travel through water.

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Front

What is a tuning fork used for?

Back

A tuning fork is used to produce a specific pitch of sound.

Front

What is the relationship between sound and vibration?

Back

Sound is produced by vibrations that create waves in the air.

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