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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
electromagnetic
B
transverse wave
C
soundwave
D
loud wave
2) _____ is how high or low you think a sound is.
A
sound
B
pitch
C
frequency
D
amplitude
3) Loudness is expressed in ________
A
decibles
B
loudness
C
amplitude
D
volume
4) _______ is the combination of two or more waves, which results in a single waves.
A
decibles
B
frequency
C
residence
D
interference
5) An __________ is a sound wave that is reflected by hard surfaces.
A
soft sound
B
echo
C
transverse sound
D
loud sound
6) Which material best absorbs sound waves in a room?
A
hard wood floor
B
curtains and carpet
C
cement floor
D
brick walls
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
mapping the the ocean floor
D
dolphins finding fish in deep water
8) Why did Matt see the lighting strike before he heard the thunder?
A
Light waves are electromagnetic waves that travel much faster than mechanical waves, such as the sound waves of thunder
B
The conditions in the air at the time allowed light waves to move faster than the sound waves he heard as thunder
C
Light waves from the lightning and sound waves from the thunder moved through different media.
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
higher temperature
C
lower pressure
D
better frequency
10) which explain why a train moving toward you sounds louder than a train moving away from you?
A
train conductors are louder as they approach then quiet down after they pass
B
no one understands this phenomenon
C
trains give off sound from the front only
D
doppler effect
*select an answer for all questions
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