Light Waves Explained

The lowest part of the wave is?

• crest
• trough
• rarefaction
• wavelength

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The highest point on a wave

• trough
• amplitude
• crest
• wavelength

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Light is a form of 

• energy
• radiation
• reflection

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Cell phones use_____________waves.

• Microwaves
• Gamma
• XRays
• Radio 

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The EM spectrum increases from left to right in________________.

• Wavelength
• Frequency
• Amplitude
• Height

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EM waves________________travel through space.

• Never
• Cannot
• Can
• Wish they could

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_____________________light is the only type of EM wave detected by the human eye.

• Red
• Gamma
• Microwave
• Visible

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_____ have the longest wavelengths and lowest frequencies of all electromagnetic waves.

• microwaves
• radio waves
• gamma rays
• ultraviolet

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The shortest wavelength in visible light is______.

• violet
• red
• blue
• yellow

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_______ carry the greatest amount of energy. 

• x-rays
• gamma rays
• infrared rays
• visible light

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