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Waves
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Cards (132)
What do waves transfer without transferring matter?
Energy
and
information
How is a wave defined?
A wave is a
disturbance
that travels through a
medium
.
What happens when a pebble is dropped into water?
Ripples
spread outward, transporting
energy
.
What is the role of medium particles in wave energy transfer?
They vibrate back and forth around their
equilibrium position
.
How do particles transmit energy in a wave?
Each particle transmits energy to its
neighbor
.
What does the electromagnetic spectrum illustrate?
Different
waves
transfer energy without moving matter.
How do waves transfer information?
By carrying a disturbance through a
medium
.
Which wave type transmits sound without moving air molecules forward?
Sound waves
What type of waves travel through space carrying energy from the sun?
Light waves
How do seismic waves transfer energy during earthquakes?
Through vibrations in
Earth's
layers without moving rock.
What do water waves do when they propagate energy?
They cause water particles to
oscillate
without moving forward.
What are examples of waves that transfer energy without matter?
Sound: Vibrations in air transmit sounds.
Light:
Electromagnetic
waves travel through space.
Seismic
waves: Travel through Earth's layers.
Water waves: Ripples propagate energy outward.
In wave motion, what do particles do around their equilibrium position?
They
oscillate
in place.
What happens to rock particles during seismic waves?
They
vibrate
while the wavefront travels horizontally.
What type of motion describes the oscillation of links in a hanging chain?
Wave motion
What type of motion describes the movement of a seismic wavefront?
Wave motion
What type of motion describes the movement of the wavefront during seismic waves?
Wave motion
How do rock particles behave during seismic waves?
They vibrate up and down around their
position
What is the difference between wave motion and particle motion?
Wave motion transfers energy without
permanent
movement
How can you explain wave motion to a child?
Like a
slinky
moving in waves
Coils
wiggle but don't move far
Energy
travels through the slinky
How does the motion of spectators in a stadium wave differ from wave propagation?
Spectators
oscillate
, while the wave propagates
What happens to rock particles during an earthquake?
They
oscillate
vertically
around their positions
What is the relationship between rock particle motion and seismic wave motion during an earthquake?
Rocks exhibit
particle oscillation
, waves exhibit wave motion
How do you describe the motion of rock particles and seismic waves during an earthquake?
Rock particles
oscillate
, seismic waves travel
horizontally
What is the formula that relates frequency and period of a wave?
f
=
f =
f
=
1
T
\frac{1}{T}
T
1
If a wave has a period of 0.5 seconds, what is its frequency?
2
Hz
What is the frequency of a water wave that completes one oscillation every 0.2 seconds?
5
Hz
What type of motion do water molecules exhibit in water waves?
Up and down motion
What happens to air molecules when a sound wave travels through air?
They
vibrate
around their original positions
What is the primary motion of water molecules in deep water waves?
Circular motion
How do
air molecules
behave during the
compression phase
of a
sound wave
?
They move towards each other along the wave direction
What is created when you drop a stone into a pond?
Water waves
that spread outward
What happens to air molecules when sound waves propagate?
They
vibrate
but do not travel
What do water waves demonstrate about energy transfer?
Energy moves without
matter transport
What type of motion do water molecules exhibit in shallow water?
Elliptical motion
due to
friction
How do seismic waves differ from water and sound waves?
Seismic waves show different
particle motions
What type of motion do P waves cause in particles?
Back-and-forth
along wave direction
What is the primary characteristic of Rayleigh waves?
Elliptical motion of
particles
How do
waves
transfer
energy
compared to
matter
movement?
Waves transfer energy, matter vibrates locally
What is the definition of frequency in relation to waves?
The number of
oscillations
per second
.
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