Spring Q's
Multiple Choice
Fill in the blank
True or False
100
What waves does this represent?
Surface waves
100
Surface waves move______ P waves and S waves? a)quicker than b)slower than c)at the same rate as
b) slower than
100
The focus is where ______ and triggers an earthquake.
rock under stress breaks
100
Primary waves move back and forth? T or F
True
200
Is this wave a Surface wave or an S wave?
S wave
200
Secondary Waves are vibrations that... a)move up and down b)move side to side c)move up and down and side to side
c)move up and down and side to side
200
Primary waves compress and ______ the ground.
expand
200
Because surface waves are slower, they cause less damage? T or F
False
300
Which wave is this?
P wave
300
The epicenter is.... a)directly above the focus on the surface b)where the seismic waves run out of energy and stop c)the same thing as the focus
a)directly above the focus on the surface
300
Seismic waves carry the energy of an earthquake ______ from the focus, through earth's interior and across the surface.
away
300
The energy of seismic waves that reach the surface is the greatest at the focus? T or F
False
400
Which waves is this?
Primary wave
400
To know where the earthquake was centered you need to know where it... a)ended b)began c)is moving through
b)began
400
The type of rock and soil around the epicenter determines where and how much ______.
the ground shakes
400
Waves are an earthquake that produces vibrations? T or F
True
500
Is the focus from Amanda or Annie's direction?
Amanda's direction
500
You can compare Primary waves to.. a)a drum b)an accordian c)a pickrel
b)an accordian
500
Another name for primary waves are _______.
P waves
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