Learn Unit 7 Vocabulary - Waves

Unit 7 Vocabulary - Waves

​read through and note how the picture

relates to the word

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rhythmic disturbances that carry energy without carrying matter

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​Wave

the distance between crests or troughs on a wave

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​wavelength

lowest point of a wave

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trough

highest point of a wave

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crest

the number of crests of a wave that move pass a given point per second, measured in Hertz (Hz)

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frequency

Height of a wave

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amplitude

wave particles move perpendicularly to the direction of the wave

(up and down)

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transverse wave (light)

wave particles move back and forth in the same direction the wave travels

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longitudinal

wave (sound)

the complete range of frequencies of electromagnetic waves from lowest to highest

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Electromagnetic spectrum

electromagnetic waves with the longest wavelengths and lowest frequesncies

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radio waves

electromagnetic waves with the second longest wavelengths and frequencies

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microwaves

electromagnetic wave with 3rd longest wavelengths, just under the visible light spectrum

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infrared waves

electromagnetic wave that can be seen with the unaided eye

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visible light

red, orange, yellow, green, blue, indigo, violet-a way to remember the order of visible light colors by increasing frequency/decreasing wavelength

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ROY G BIV

electromagnetic wave with shorter wavelengths and higher frequencies than visible light

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ultraviolet light

electromagnetic waves having very short wavelength; can penetrate substances such as skin and muscle

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x-rays

electromagnetic waves with the shortest wavelengths and heighest frequencies

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gamma rays

"running madly in very unusual x games" - a way to remember the order of electromagnetic radiation by increasing frequency/decreasing wavelength

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RMIVUXG

Match

Match the following

• crest

• amplitude

• trough

• wavelength

• frequency

highest point of a wave

height of a wave

lowest paint of a wave

distance from crest to crest

number of wavelengths per second

• highest point of a wave

• height of a wave

• lowest paint of a wave

• distance from crest to crest

• number of wavelengths per second

Multiple Choice

rhythmic disturbances that carry energy without carrying matter

• frequency

• wave

• amplitude

• crest

Match

Match the following

• x-ray

• gamma ray

• radio wave

• infrared light

• ultraviolet light

2nd from the fastest frequency on EMS

fastest frequency on EMS

lowest frequency on EMC

3rd longest wavelength

one step higher frequency than visible light

• 2nd from the fastest frequency on EMS

• fastest frequency on EMS

• lowest frequency on EMC

• 3rd longest wavelength

• one step higher frequency than visible light

Match

Match the following

• RMIVUXG

• ROY G BIV

• Electromagnetic Spectrum (EMS)

• microwaves

way to remember the EMS in order

way to remember visible light spectrum

Whole range from radio to gamma

second longest wavelength on the EMS

• way to remember the EMS in order

• way to remember visible light spectrum

• Whole range from radio to gamma

• second longest wavelength on the EMS

Did you get them all right?

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​reread and replay if you did NOT

Did you get them all right?

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​time to go to Quizalize and practice! Aim for an 90% or better (extra credit on the Thursday quiz!)