Exploring the Electromagnetic Spectrum for Middle School Science

What type of light was used to reveal the hidden painting?

• Infrared light

• Microwave radiation

• Visible light

• Ultraviolet light

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What does the amplitude of a wave represent?

• The number of waves per second

• The distance between peaks

• The energy of the wave

• The height from the resting point

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Which type of electromagnetic wave has the longest wavelength?

• X-rays

• Visible light

• Radio waves

• Gamma rays

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How are radio waves used in everyday technology?

• Sending Wi-Fi signals

• Seeing inside the body

• Making objects glow

• Cooking food

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What happens to water molecules when microwaved?

• They become radioactive

• They emit visible light

• They move faster, warming up

• They freeze

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What device is used to detect infrared waves?

• Microwave oven

• Infrared camera

• Prism

• Geiger counter

How does a prism separate white light?

• By reflecting light at different angles

• By absorbing certain colors

• By bending different wavelengths differently

• By converting light into heat

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What is the main purpose of sunscreen?

• To emit visible light

• To absorb ultraviolet light

• To cool the skin

• To block radio waves

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What material effectively blocks gamma rays?

• Paper

• Aluminum

• Lead

• Plastic

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What career uses electromagnetic radiation to diagnose illnesses?

• Astronomer

• Physicist

• Radiologist

• Engineer

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