Properties of Electromagnetic Waves and How They Form
Electromagnetic waves travel through space at 300,000 kilometers per second.
What is the speed of light?
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Created when all matter contains particles that vibrate and produce electromagnetic waves.
What is radiant energy?
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This type of electromagnetic wave might be described as red, orange, yellow, green, blue, indigo, and violet.
What are light waves?
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An electromagnetic wave that a radio or television station uses to carry its sound or image signals.
What is a carrier wave?
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From Latin spectrum, means "appearance"
What is a spectrum?
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These form when an electric charge accelerates by either speeding up, slowing down, or changing direction.
What are electromagnetic waves?
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What are infrared waves, light waves, and ultraviolet waves?
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You cannot see this type of electromagnetic wave, but if you put your hand near a campfire, you can feel them.
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A TV or radio station can convert sound and images into this thing.
What is an electric signal?
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A measure of the average kinetic energy of the particles that make up an object.
What is temperature?
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What are wavelengths?
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This thing produces visible images of radiation from space.
What is a telescope?
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You use this type of wave to talk on the phone with somebody.
What are microwaves?
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Each radio or TV station sends out these things at a certain frequency.
What are radio waves?
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From Latin radiantem, means "shining"
What is 'radiant'?
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When electromagnetic waves come in contact with this, they slow down.
What is matter?
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This is the only type of electromagnetic waves you can see.
What is light?
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This wave has enough energy to cause chemical reactions on the skin, like sunburns.
What are ultraviolet waves?
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The maximum distance a wave varies from its rest position.
What is amplitude?
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From Latin modulari, means "to play or sing"
What is modulating?
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Is surrounded by an electric field, and if this moves up and down, the field also moves up and down.
What is an electric charge?
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This type of wave from the Sun hits Earth the most.
What are infrared waves?
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This type of wave forms during violent events, such as a star explosion.
What are gamma rays?
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This is TWO ways to change a carrier wave to send information.
What is amplitude modulation and frequency modulation?
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A dentist can use ultraviolet waves to harden this material.
What is adhesive?
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