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MJHS7 Waves Test

MJHS7 Waves and Energy Review

QuestionAnswer
What type of waves are created by earthquakes? seismic waves
The amplitude of a wave is a measurement of the wave's __________________. energy
If 100 waves pass a point in one second, the frequency of the wave is _______________. 100 Hz
What type of waves are primary (P), secondary (S), and surface waves? seismic waves
Scientists can tell how far away an earthquake occurred by the time between the arrival of primary and _____________ waves. secondary or S waves
The amplitude of a wave is found by measuring the distance from the crest of the wave to the _______________ _______________. rest position
The wavelength of a transverse wave is the distance from one ____________ to the next. crest OR trough
Which is faster, the speed of sound or the speed of light? speed of light
What type of wave is sound? longitudinal
Electromagnetic waves are all _________________ waves. transverse
Light travels as a two-part ______________________ wave. electromagnetic
Moving left to right on the electromagnetic spectrum, the wavelengths will ______________. decrease
Moving left to right on the electromagnetic spectrum, the frequency and energy will ___________. increase
What color of visible light has the highest frequency? purple
What electromagnetic wave is the most harmful to humans? gamma rays (highest frequency)
If a wave has a wavelength of 2m and a frequency of 3 Hz, what is its speed in m/s? 6 m/s (speed = wavelength x frequency)
If a wave is traveling at 200 m/s and has a frequency of 50 Hz, what is its wavelength? 4m (wavelength = speed/frequency)
If a wave has a wavelenth of 5m and a speed of 100 m/s, what is the frequency of the wave? 20 Hz (frequency = speed/wavelength)
All electromagnetic waves travel at the same _____________. speed
The speed of sound changes as the ________________ changes. temperature
Created by: aaron.blake
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