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Sound Waves
Test Description: 6th grade sound waves
Instructions: Answer all questions to get your test result.
1) A ________ is an example of a longitudinal wave.
A
transverse wave
B
loud wave
C
electromagnetic
D
soundwave
2) _____ is how high or low you think a sound is.
A
frequency
B
sound
C
pitch
D
amplitude
3) Loudness is expressed in ________
A
volume
B
amplitude
C
loudness
D
decibles
4) _______ is the combination of two or more waves, which results in a single waves.
A
frequency
B
decibles
C
interference
D
residence
5) An __________ is a sound wave that is reflected by hard surfaces.
A
loud sound
B
transverse sound
C
echo
D
soft sound
6) Which material best absorbs sound waves in a room?
A
hard wood floor
B
brick walls
C
curtains and carpet
D
cement floor
7) Which of the following is not a way in which echolocation is used?
A
flying bats avoiding trees and houses at night
B
sending messages over telephone lines
C
dolphins finding fish in deep water
D
mapping the the ocean floor
8) Why did Matt see the lighting strike before he heard the thunder?
A
Light waves from the lightning and sound waves from the thunder moved through different media.
B
Light waves are electromagnetic waves that travel much faster than mechanical waves, such as the sound waves of thunder
C
The conditions in the air at the time allowed light waves to move faster than the sound waves he heard as thunder
D
Thunder always takes 15 seconds to travel through the air after lightning strikes.
9) why does sound travel better in the summer time then in the winter time?
A
louder amplitudes
B
better frequency
C
higher temperature
D
lower pressure
10) which explain why a train moving toward you sounds louder than a train moving away from you?
A
doppler effect
B
trains give off sound from the front only
C
train conductors are louder as they approach then quiet down after they pass
D
no one understands this phenomenon
*select an answer for all questions
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