Transcript Topic 3 Answer for 5 Points

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Topic 1
Question for 5 Points
When sound waves
meet and interact with
each other
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Topic 1
Answer for 5 Points
What is interference?
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Topic 1
Question for 10 Points
Sound waves diffract,
or bend around
corners.
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Topic 1
Answer for 10 Points
What is diffraction?
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Topic 1
Question for 15 Points
Sound waves bounce
back from surfaces
(echo)
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Topic 1
Answer for 15 Points
What is a reflection?
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Topic 1
Question for 20 Points
The ability of a material
to bounce back after
being disturbed.
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Topic 1
Answer for 20 Points
What is elasticity?
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Topic 1
Question for 25 Points
The amount of matter
there is in a given
amount of space.
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Topic 1
Answer for 25 Points
What is density?
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Topic 2
Question for 5 Points
Reflection that occurs
when parallel rays of light
hit a smooth surface and
all reflect at the same
angle
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Topic 2
Answer for 5 Points
What is regular
reflection?
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Topic 2
Question for 10 Points
Reflection that occurs
when parallel rays of
light hit a rough
surface and all reflect
at different angles
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Topic 2
Answer for 10 Points
What is diffuse
reflection?
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Topic 2
Question for 15 Points
A measure of the
amount a ray of light
bends when it passes
from one medium to
another
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Topic 2
Answer for 15 Points
What is index of
refraction?
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Topic 2
Question for 20 Points
This material transmits
most of the light that
strikes it; light passes
right through without
being scattered
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Topic 2
Answer for 20 Points
What is transparent
material?
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Topic 2
Question for 25 Points
This material scatters light
as it passes through; you
can see something behind
it, but the details are
blurred.
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Topic 2
Answer for 25 Points
What is translucent
material?
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Topic 3
Question for 5 Points
This wave causes the
crust to move back and
forth in the ground like
an accordion.
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Topic 3
Answer for 5 Points
What is a P-Wave?
(or Primary Wave)
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Topic 3
Question for 10 Points
This wave causes the
crust to vibrate from
side-to-side and up
and down.
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Topic 3
Answer for 10 Points
What is an S-Wave?
(or Secondary waves)
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Topic 3
Question for 15 Points
This wave causes the
ground surface to roll
with a wavelike
motion.
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Topic 3
Answer for 15 Points
What is a Surface
Wave?
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Topic 3
Question for 20 Points
This wave moves
perpendicular to the
direction the wave itself is
moving (HINT: think of the
movement of a string being
shaken)
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Topic 3
Answer for 20 Points
What is a transverse
wave?
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Topic 3
Question for 25 Points
In this type of wave, the
particles move left and right
parallel to the motion of the
wave (HINT: think of
shaking a Slinky®)
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Topic 3
Answer for 25 Points
What is a Longitudinal
Wave?
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Topic 4
Question for 5 Points
At a low __________,
particles move more
slowly than at a
higher ___________.
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Topic 4
Answer for 5 Points
What is temperature?
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Topic 4
Question for 10 Points
Air, solids, gases have
an effect on waves;
these are known as
_______
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Topic 4
Answer for 10 Points
What are mediums?
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Topic 4
Question for 15 Points
True or False:
Sound travels more
quickly in denser
mediums.
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Topic 4
Answer for 15 Points
FALSE: Sound travels
more slowly in denser
mediums.
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Topic 4
Question for 20 Points
Pushing air particles
together creates this.
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Topic 4
Answer for 20 Points
What is compression?
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Topic 4
Question for 25 Points
Air particles bounce
back and spread out
creates this.
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Topic 4
Answer for 25 Points
What is a rarefaction?
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Topic 5
Question for 5 Points:
The shaking results
from the movement of
rock beneath the
earth’s surface.
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Topic 5
Answer for 5 Points
What is an earthquake?
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Topic 5
Question for 10 Points
The point beneath the
Earth’s surface where
rock breaks under
stress and causes an
earthquake.
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Topic 5
Answer for 10 Points
What is a focus?
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Topic 5
Question for 15 Points
The point on the Earth’s
surface directly above
the earthquake’s focus.
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Topic 5
Answer for 15 Points
What is the epicenter?
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Topic 5
Question for 20 Points
A material that reflects
or absorbs all of the
light that strikes it.
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Topic 5
Answer for 20 Points
What is opaque
material?
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Topic 5
Question for 25 Points
Sound waves begin
with a _________, or
when particles in the
ground or air move
back and forth.
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Topic 5
Answer for 25 Points
What is a vibration?
Back to Board
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“Big Points”
Question
A disturbance that
travels through a
medium as a
longitudinal wave
Show Answer
Big Points
Answer for Big Points
What is sound?
To End
Authored by
Jeff Ertzberger - 2004
University of North Carolina at Wilmington
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