Waves 1
Waves 2
Sound
Grab Bag 1
Grab Bag 2
100
What type of wave is this?
transverse wave
100
What type of wave is this?
compressional (longitudinal) wave
100
What type of wave is a sound wave?
compressional wave
100
What part of the wave is the crest?
B
100
What part of the wave is the wavelength?
A
200
What part of the wave is the amplitude?
D
200
How is the top wave different from the bottom wave?
The bottom wave has a higher frequency.
The top wave has a longer wavelength.
200
What part of a wave relates to a sound's pitch?
wavelength
200
What is part A of this wave called?
compression
200
What is frequency?
number of cycles of a wave per unit of time
300
What happens to a wave's frequency if the wavelength decreases?
It increases
300
If a sound wave has a high amplitude, what will it sound like?
loud
300
What part of a wave relates to a sound's loudness?
amplitude
300
What do waves transfer?
energy
300
What happens to a wave's frequency if the wavelength increases?
It decreases
400
What type of wave does not require a medium to move?
electromagnetic wave
400
In a compressional wave, what direction do the particles move?
the same direction the wave travels
400
What does sound cause particles to do?
vibrate
400
What type of wave must move through a medium?
mechanical wave
400
In a transverse wave, what direction do the particles move?
a 90 degree angle to the way the wave travels
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Which way does the string move in this wave?
Back and out the window into the pool
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What part of a wave shows how much energy it has?
amplitude
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Why do sounds travel faster through solids than gases?
The particles in a solid are closer together.
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What would the bottom wave sound like compared to the top wave?
It would have a higher pitch.
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Why can't astronauts use sound waves to communicate in space?
Sound waves are mechanical and can't travel in a vacuum.