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Introduction to Waves (JRiggle)
By Jennifer Riggle
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Last updated over 2 years ago
14 questions
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Designed to accompany this video from PBS: https://www.pbs.org/video/chemistry-physics-physics-1101-introduction-waves/
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What does every wave start as?
A disturbance that makes something move back and forth.
The ocean.
An earthquake.
One person stands up and then everybody else stands up at the same time.
Which word describes the number of vibrations a pendulum or wave makes per second?
amplitude
period
frequency
pendulum
What affects the period of a pendulum?
amplitude
length
weight
mass
What do waves transfer?
matter
energy
balances
phone calls
What is the difference between a wave pulse and a wave train?
A wave pulse is a single disturbance, while a wave train is a continuous wave that repeats the disturbance.
A wave train is a single disturbance, while a wave pulse is a continuous wave that repeats the disturbance.
A wave pulse is the same as a wave train.
A wave pulse has more energy than a wave train.
In a transverse wave - what direction do the particles vibrate in relation to the direction of travel?
parallel (the same)
perpendicular (90 degrees/right angle)
What is the highest point of a wave called?
amplitude
period
trough
crest
Are water waves transverse or longitudinal?
transverse
longitudinal
both
What affects the amplitude of a wave?
length
frequency
energy
medium
To increase the frequency of a pendulum -
increase the mass
decrease the mass
increase the length
decrease the length
A wave transfers _______ from one location to another.
matter
energy
both matter and energy
neither matter nor energy
A mechanical wave
requires a medium
cannot travel through empty space
can be transverse or longitudinal
all of these
The amplitude of a wave is the __________
distance between the top of a crest to the bottom of a trough.
maximum displacement from the equilibrium position
distance from crest to crest
distance from trough to trough
The speed of a wave depends on ________
the medium through which it travels
the amplitude of the wave
the frequency of the source
all of these