What is Sound Energy?

What are examples of ways we use sound to communicate?

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Sound is ____ and travels in _____.

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How are sound waves different than light waves?

Sound vibrations can travel through all types of ______.

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NGSS.MS-PS4-1

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Why can't sound travel through space?

Can we see or hear sound waves? Give an example.

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What is frequency? Give an example.

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NGSS.MS-PS4-1

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What determines the speed of sound?

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NGSS.MS-PS4-2

Describe the differences in the speed of sound when it travels through solids, liquids and gases.

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