Midpoint Review Unit 3

As you move from left to right across the electromagnetic spectrum in the image, the wavelength becomes

• shorter
• lower
• taller
• longer

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NGSS.MS-PS4-1

It seems like everyone has a cell phone these days. Sounds, images, and the written word can all instantly be sent using this technology. How do cell phones send information from one person to another?

• Sound waves are sent through overhead cables.
• The signals are sent through underground cables.
• The signals are sent through communication satellites.
• Sound waves are sent through the air.

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NGSS.MS-PS4-2

What is the relationship between the wavelength of a wave and its energy?

• They are inversely proportional.
• They are directly proportional.
• The energy is always greater.
• The wavelength is always greater.

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Sound waves travel fastest through

• steel
• air
• vaccum
• water

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Choose the correct term for the highlighted box.

• compression
• rarefaction
• wavelength
• amplitude

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Choose the correct term for the highlighted box.

• compression
• rarefaction
• wavelength
• amplitude

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NGSS.MS-PS4-1

Choose the correct term for the highlighted box.

• amplitude
• wavelength
• trough
• crest

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Choose the correct term for the highlighted box.

• amplitude
• wavelength
• trough
• crest

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NGSS.MS-PS4-1

Which letter represents the greatest energy?

• A
• B
• C
• D

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NGSS.MS-PS4-1

Which letter represents the second greatest energy?

• A
• B
• C
• D

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NGSS.MS-PS4-1