Electromagnetic Waves

Light from the Sun transfers solar energy to the Earth system. Sunlight travels to Earth as _______ waves.

• electromagnetic

• seismic

• sound

• water

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Scientists use electromagnetic waves to detect supernovas in space. Why are electromagnetic waves used instead of sound waves?

• Electromagnetic waves can travel in vacuums.

• Electromagnetic waves cannot be absorbed.

• Electromagnetic waves travel slower than sound waves.

• Electromagnetic waves are created by physical vibrations.

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NGSS.HS-PS4-3

Select the correct order of waves on the EMS from low to high energy

• 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 LONGEST wavelength and, therefore, the LOWEST frequency/energy

• Gamma Rays

• Ultraviolet

• Visible Light

• Infrared rays

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Which type of electromagnetic wave is most harmful to human skin?

• Infrared radiation

• Ultraviolet light

• Visible light

• Radio waves

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What types of waves can travel through empty space AND mediums? (a)  

• Longitudinal

• Mechanical

• Electromagnetic

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Which of the following electromagnetic waves has the lowest frequency?

• gamma ray

• infrared wave

• visible light wave

• microwave

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Which wave has the largest wavelength?

• A

• B

• C

• None (same wavelength)

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Which of the following statements can be concluded from the table?

• X-Ray waves have a lower frequency than infrared waves.

• Microwaves have a smaller wavelength than visible light.

• The speed of all electromagnetic waves are equal.

• The frequency and wavelengths are equal for each type of radiation.

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NGSS.HS-PS4-1

Which letter indicates X-rays?

• A.

• B.

• C.

• D.

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NGSS.HS-PS4-1

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