Unit 5 Test Review

Electromagnetic radiation is energy that travels in waves. Two types of electromagnetic waves are infrared waves and ultraviolet waves. Which of these statements describes a property that is shared by infrared waves and ultraviolet waves?

• Both waves have the same energy.

• Both waves have the same frequency.

• Both waves have the same wavelength.

• Both waves travel at the same speed in

  a vacuum.

Electromagnetic energy travels through space in waves. The electromagnetic spectrum includes all electromagnetic waves, arranged according to frequency and wavelength. Which of these is an example of an electromagnetic wave?

• radio wave

• sound wave

• ocean wave

• gravitational pull

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NGSS.MS-PS4-1

The diagram below shows a wave. The features of the wave are labeled A, B, C, and D. Which label identifies the wavelength?

• A

• B

• C

• D

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NGSS.MS-PS4-1

The visible part of the electromagnetic spectrum consists of the colors that we see in a rainbow. Different colors correspond to different wavelengths of light. Which color of visible light has the shortest wavelength?

• Red

• Green

• Violet

• Yellow

The visible part of the electromagnetic spectrum consists of the colors that we see in a rainbow. Different colors correspond to different wavelengths of light. Which color of visible light has the longest wavelength?

• Red

• Green

• Violet

• Yellow

Imagine a scientist detects an electromagnetic wave with a higher frequency than that of most gamma-ray waves. The scientist calls these waves delta rays. Which of these statements would be true of delta rays?

• Delta rays would travel faster than most gamma rays.

• Delta rays would have more energy than most gamma rays do.

• Delta rays would have the same wavelength as most gamma rays.

• Delta rays would have a longer wavelength than most gamma rays have.

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NGSS.MS-PS4-1

Which of these materials best scatters the light that strikes it?

• pure water

• shiny mirror

• frosted glass

• eyeglass lens

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NGSS.MS-PS4-2

The diagram below shows four thin beams of light interacting with a material. Which beam best shows reflection?

• 1

• 2

• 3

• 4

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NGSS.MS-PS4-2

The diagram below shows four thin beams of light interacting with a material. Which beam best shows absorption?

• 1

• 2

• 3

• 4

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NGSS.MS-PS4-2

The diagram below shows four thin beams of light interacting with a material. Which beam best shows scattering?

• 1

• 2

• 3

• 4

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NGSS.MS-PS4-2