The Electromagnetic Spectrum

As frequency increases on the electromagnetic spectrum, what happens to the wavelength?

• It stays the same

• It decreases

• It increases

• It doubles

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NGSS.HS-PS4-1

What is the term used when a star appears red due to the expansion of the atmosphere?

• microshift

• blueshift

• nanoshift

• redshift

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NGSS.HS-PS4-1

How would 3 x 10^-4 be written as a decimal?

• 0.0003

• 0.003

• 0.004

• .00003

Which color has the highest frequency?

• Yellow

• Red

• Green

• Purple

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NGSS.HS-PS4-1

What is the color of visible light determined by?

• Amplitude

• Speed

• Frequency

• Sound

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Why do dentists put lead aprons over patients' bodies when taking X-rays?

• To focus the X-ray

• To prevent the patient from moving too much

• To prevent harmful exposure to X-rays

• To prevent taking pictures of other parts of the body

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NGSS.HS-PS4-4

In which list are forms of electromagnetic energy arranged in order from longest to shortest wavelength?

• Microwave -> Radio wave -> Infrared rays

• Visible light -> x-ray -> radio wave

• Microwave -> infrared -> visibile light

• Infrared -> radio wave -> ultraviolet

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NGSS.HS-PS4-1

Which energy level has the longest

wavelength and Lowest Frequency?

• Visible Light

• Microwaves

• X-Rays

• Radio Waves

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NGSS.HS-PS4-1

Ultraviolet

• Have shorter wavelengths and Higher Frequency than Infrared.

• Have longer wavelengths and Higher Frequency than Ultra Violet.

• Have shorter wavelengths and Higher Frequency than Ultra Violet.

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NGSS.HS-PS4-1

Gamma Rays Highest Frequency in the Electromagnetic system.

• False.

• True.

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NGSS.HS-PS4-4