Electromagnetic Spectrum Review

1. What does the electromagnetic spectrum show?

• A. The entire range of colors
• B. The entire range of electromagnetic waves
• C. The different types of photons
• D. The speed of waves

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2. What type of energy is transferred by electromagnetic waves?

• A. Chemical energy
• B. Elastic energy
• C. Electrical energy
• D. Electromagnetic energy

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3. How fast do electromagnetic waves travel?

• A. The speed of light
• B. The speed of sound
• C. Approximately 1,000 km per hour
• D. Approximately 100,000 miles per hour

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4. Which of the following is not a characteristic of electromagnetic waves?

• A. They are able to travel through empty space
• B. They all travel at different speeds
• C. They require a medium such as a solid, liquid, or gas to travel through
• D. They have a variety of important uses for humans

5. What is the frequency of a wave?

• A. The distance from the crest of a wave to the crest of the next wave
• B. The height from the midline of a wave to its crest
• C. The number of waves that pass a certain point each second
• D. The distance traveled by a wave in a certain amount of time

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6. How do the wavelengths and frequencies of radio waves differ from infrared waves?

• A. Radio waves have longer wavelengths and higher frequencies than infrared waves
• B. Radio waves have shorter wavelengths and lower frequencies than infrared waves
• C. Radio waves have shorter wavelengths and higher frequencies than infrared waves
• D. Radio waves have longer wavelengths and lower frequencies than infrared waves

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7. Which of the following is not a type of electromagnetic wave?

• A. Visible light waves
• B. Sound waves
• C. X-Rays
• D. Microwaves

8. A(n) ____________________ has a very short wavelength that is able to pass through many different materials and is used in medical imaging.

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9. The part of the electromagnetic spectrum that the human eye is able to see is known as ____________________.

10. Waves that are a part of the energy that comes from the Sun are ____________________ waves.

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