electromagnetic spectrum

What is the Electromagnetic Spectrum?

• A Group of Energy Waves That are Visible to the human Eye.

• The name Given to a Group of Waves that mostly are Invisible and can travel through empty Or outer Space.

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NGSS.HS-PS4-3

An example of a wave with a short wavelength, high frequency, and high energy is a 

• X-ray
• Microwave
• Visible light wave
• Infrared wave

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What waves have the lowest energy? 

• Gamma rays
• Visible light waves
• Radio waves
• X rays

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Quasars are extremely distant celestial bodies. Investigators using a special telescope determined that a certain quasar was emitting waves with a frequency of 1.41 x 10⁹ Hz. Using the electromagnetic spectrum provided, investigators were most likely using a telescope that detects -

• microwaves

• visible light

• x-rays

• gamma rays

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NGSS.HS-PS4-1

NGSS.HS-PS4-4

True or false: as you move along the spectrum, radio to gamma waves, the wavelengths decrease in size (get smaller)

• true
• false

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NGSS.HS-PS4-1

A wave with a large wavelength will have a ______ frequency and _____ energy

• high, low
• high, high
• low, high
• low, low

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NGSS.HS-PS4-1

Select the correct order of waves on the EMS from the longest wavelength to the shortest wavelength

• Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
• Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
• Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
• Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma

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NGSS.HS-PS4-1

Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy

• Radio waves
• Ultraviolet Rays
• Gamma Rays
• X-rays

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NGSS.HS-PS4-1

Which section of the spectrum is the ONLY one we can see?

• X-rays
• Visible Light
• Gamma Rays
• Ultraviolet Rays

High frequency waves have _________ wavelengths.

• varying
• long
• the same
• short

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NGSS.HS-PS4-1