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Unit 3 Review
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True or false: The items to study for this test are your two note sheets AND your 3 study guide sheets
true
True or False: Our test is on the computer
true
soundwaves are produced by the vibration of ________.
molecules
When 2 or more waves collide
interference
The moving back and forth of molecules
vibration
When soundwaves are taken into a material and trapped
absorption
Would a boiling pot of water or a pot of room temperature water allow soundwaves to go quicker through it?
Boiling
Which object would allow soundwaves to pass quicker through it? Water, S2 Sand or G4 gravel
G4 gravel
Which would a soundwave pass quicker through: water, rubberband or a balloon filled with helium gas?
Rubberband (it's most elastic)
True or False: the more density an object has, the faster sound will travel through it.
True
The _____ the temperature of the air, the quicker the soundwaves will travel
hotter/higher
Which color wave has the longest wavelength?
yellow
The more intensity a soundwave has, the _______ the sound will be.
louder/higher
In this longitudinal wave, where the coils are wider are the areas of ______, while the areas where the coils are tighter are areas of ____.
rarefaction; compression
True or False: A wave with more amplitude will have less energy going through it
false
The higher the amplitude of a wave, the ____ the pitch will be
higher/louder
What property of a wave causes it to bend around this wall?
diffractions
What property of a wave makes the pencil appear to bend when put under water? (hint: the light wave bends when going from air to water)
refraction
Are the waves in this picture being reflected, diffracted or refracted?
reflected
The distance from crest to crest in this wave is the ____
wavelength
The lowest point of this transverse wave is the ____.
trough
The highest point of this transverse wave is the ____.
crest
B is the ______ of the wave
amplitude
This is an example of what effect?
Doppler
which wave has the biggest wavelength?
top
Which wave has the highest frequency?
bottom
The wave on bottom is what kind of wave?
transverse
The wave on top is what kind of wave?
longitudinal
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