EM SPECTRUM QUIZ

What is the electromagnetic spectrum?

• The range of all types of electromagnetic radiation

• A specific type of radio wave

• The visible light spectrum

• A type of sound wave

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Understanding

Which type of electromagnetic wave has the longest wavelength?

• Radio waves

• Microwaves

• Infrared waves

• Gamma rays

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Understanding

How do microwaves cook food?

• By vibrating water molecules

• By heating the air around the food

• By emitting visible light

• By using ultraviolet radiation

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Applying

Which electromagnetic wave is used in television remote controls?

• Infrared waves

• Radio waves

• Microwaves

• Ultraviolet waves

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Applying

Red light has the ___ wavelength among visible light.

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Understanding

What creates the high energy in a gamma ray?

• The breaking apart of an atom's nucleus

• The vibration of water molecules

• The movement of electric charges in an antenna

• The reflection of light

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Analyzing

On a cloudy day at the beach, do you need to wear sunscreen? Why or why not?

• Yes, because ultraviolet waves can penetrate clouds

• No, because clouds block all ultraviolet rays

• Yes, because infrared waves cause sunburn

• No, because the sun's rays are not strong enough

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Applying