Electromagnetic Waves
Is a wave that can travel through empty space and through matter.
What are electromagnetic waves?
Pg 601
Is a low frequency, low energy electromagnetic waves that has a wavelength longer than about 30 cm.
What is a radio wave?
Pg 610
An electromagnetic wave that a radio or television station uses to carry its sound or image signals.
What is carrier wave?
Pg 616
Earth's most important energy source.
What is Sun?
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Is the class of physical attributes that occur through a magnetic field.
What is Magnetism?
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Energy that is carried by an electromagnetic wave.
What is radiant energy?
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Is a low frequency, low energy electromagnetic waves that has a wavelength between 1 mm and 30 cm.
What is a microwave?
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Is a change in the amplitude of a carrier wave.
What is Amplitude modulation?
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Catches radio waves and turns them into electrical signals feeding into something like a radio or television or a telephone system.
What is a radio antenna?
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Is an interaction that occurs between particles with electric charge.
What is Electromagnetism?
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A barrier around an electromagnetic wave.
What is forcefield?
Pg 602
Is an electromagnetic waves that has a wavelength shorter than a microwave but longer than light.
What is a infrared wave?
Pg 610
A phone with access to a cellular radio system so it can be used over a wide area, without physical connection to a network.
What is a cell phone?
Pg 617
An outdoor fire for warmth and cooking.
What is a campfire?
Pg 605
Consists of waves of the electromagnetic field, which propagate through space and carry momentum.
What is Electromagnetic radiation?
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Surrounded by an electric field that moves up and down.
What is an electric charge?
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Is an electromagnetic wave that has a slightly shorter wavelength and higher frequency than light carries enough energy to cause chemical reactions.
What is ultraviolet?
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A type of radiation that is emitted by objects possess heat and are releasing that heat.
What are infrared waves?
Pg 618
A device to convert electricity into light, consisting of a source of illumination.
What is light bulb?
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Waves that can be reflected, refracted, diffracted , and produce patterns.
What is Transverse waves?
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Is a high energy electromagnetic wave with a shorter wavelength and higher frequency than all other types of electromagnetic waves.
What is gamma ray?
Pg 611
Is a high energy electromagnetic wave that has a slightly shorter wavelength and higher frequency than an ultraviolet wave.
What is X-ray?
Pg 611
An artificial object in space used to send out television and radio signals around the earth's surface.
What are Communication Satellites?
Pg 618
Redding and inflammation in severe cases and peeling of skin caused by the ultraviolet waves.
What is sunburn?
Pg 605
A particular wave of Electromagnetic radiation that has a frequency.
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