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Brainpop Earthquakes

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

What are earthquakes caused by?
a.
pressure deep within the earth
c.
the earth’s rotation
b.
tsunamis and hurricanes
 

 2. 

What is the surface of the earth broken up into?
a.
fault plates
c.
tectonic plates
b.
seismic plates
 

 3. 

What are the active boundaries where plates meet called?
a.
Rings of Fire
c.
danger zones
b.
faults
 

 4. 

Volcanoes, mountains, and trenches are all caused by
a.
activity along faults
c.
earthquakes
b.
human activity
 

 5. 

How many main types of seismic waves are there?
a.
five
c.
four
b.
three
 

 6. 

What are the waves that compress and expand both in liquid and solid rock?
a.
P waves
c.
Surface waves
b.
S waves
 

 7. 

Which waves travel the fastest?
a.
P waves
c.
surface waves
b.
S waves
 

 8. 

What kind of motion do S waves produce?
a.
vertical motion
c.
both vertical and horizontal
b.
horizontal motion
 

 9. 

The longest and slowest waves are
a.
S waves
c.
P waves
b.
surface waves
 

 10. 

The machine used to measure earthquakes is a
a.
seismograph
c.
an earthquakeometer
b.
a sonar system
 



 
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