Introduction to waves

The amplitude of a wave is _____.

• the distance the wave moves in one second

• the distance between one crest and the next crest

• half the distance from a crest to a trough

• the distance equal to one wavelength

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NGSS.MS-PS4-1

The intensity of a sound wave increases as the wave spreads out from the source of the sound.

• True

• False

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

Humans can hear frequencies as low as 21 Hz. If the sound is measured during 3 seconds, how

many wavelengths pass?

• 7

• 24

• 63

• 18

Since sound is a mechanical wave it needs a_____ to travel through.

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NGSS.MS-PS4-2

As the frequency of a wave increases, the wavelength _____.

How do waves interact with matter?

• conduction

• absorption

• transmission

• reflection

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NGSS.MS-PS4-2

What is the wavelength of Wave A?

• 4 m

• 5 m

• 8 m

• 20 m

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NGSS.MS-PS4-1

What is the wavelength of Wave B?

• 4 m

• 8 m

• 5 m

• 20 m

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NGSS.MS-PS4-1

What is the amplitude of Wave A?

• 4 m

• 5 m

• 8 m

• 20 m

Tags

NGSS.MS-PS4-1

What is the amplitude of Wave B?

• 4 m

• 5 m

• 8 m

• 20 m

Tags

NGSS.MS-PS4-1