Chapter 3- Electromagnetic Waves Vocabulary Flashcards

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0
Q

Electromagnetic Spectrum

A

The complete range of electromagnetic waves placed in order of increasing frequency. Is made up of radio waves, microwaves, infrared rays, visible light, ultraviolet rays, x-rays, and gamma rays.

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1
Q

Electromagnetic Waves

A

An electromagnetic wave is aq transverse wave that is made up of vibrating electric and magnetic fields that move through space or some medium at the speed of light.

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2
Q

Radio Waves

A

Electromagnetic waves with the longest wavelengths are the lowes frequencies.

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3
Q

Microwaves

A

Have shorter wavelengths and higher frequencies than radio waves.

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4
Q

Radar

A

A system that uses reflected radio waves to detect objects and measure their distance and speed.

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5
Q

Infrared Rays

A

Electromagnetic waves with wavelengths shorter than those of microwaves, and higher frequencies. Carry more energy than microwaves and are often called heat rays.

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6
Q

Thermogram

A

An image that shows regions of different temperatures in different temperatures in different colors.

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7
Q

Visible Light

A

Electromagnetic waves that you can see.

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8
Q

Ultraviolet Rays

A

Electromagnetic waves with shorter wavelengths and higher frequencies than visible light. Carry more energy than visible light and can damage or kill living cells.

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9
Q

X-Rays

A

Electromagnetic waves with wavelengths just shorter than those of ultraviolet rays.

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10
Q

Gamma Rays

A

Electromagnetic waves with the shortest wavelengths and higher frequencies. Has the greatest amount of energy and are the most penetrating.

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