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Revision about sounds

English 15 Public

1st grade

Study Slideshow

Is it a sound source?

Yes, it is.

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Is it a sound source?

Yes, it is.

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Is it a sound source?

Yes, it is.

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Is it a sound source?

Yes, it is.

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Is it a sound source?

No, it is not.

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Is it a sound source?

No, it is not.

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Is it a sound source?

No, it is not.

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Is this sound loud or quiet?

It is loud.

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Is this sound loud or quiet?

It is quiet.

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Is this sound loud or quiet?

It is loud.

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Is this sound loud or quiet?

It is quiet.

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What is the name of this object?

Megaphone.

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What friend has a sound source?

The girl with pink clothes.

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What friend will hear the loudest sound? 1, 2 or 3?

Friend 1.

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What friend will hear the quietest sound? 1, 2 or 3?

Friend 3.

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