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6th--Earthquakes & Volcanoes Review Flashcards | StudBud
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6th--Earthquakes & Volcanoes Review
6th--Earthquakes & Volcanoes Review
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#EarthScience Review for Ch. 6 & 7 #Earthquakes & #Volcanoes Test #Science #NGSS #MsKSMS #Team6SMS
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1
What is a giant wave of water that happens as a result of a major earthquake?
liquefaction
landslide
tsunami
aftershock
2
The point beneath Earth's surface where rock breaks under stress and triggers an earthquake...
focus
footwall
syncline
epicenter
3
What is lava called before it reaches Earth's surface?
volcanic ash
liquid fire
magma
rock
4
Which type of rock would you expect to form as the result of an explosive eruption?
pahoehoe
aa
pumice
granite
5
Most earthquake-related deaths and injuries result from what?
damage to other bulidings or structures
tsunamis
liquefaction
P waves
6
What is a force that acts on rock to change its shape of volume?
aftershock
liquefaction
stress
friction
7
What is the long tube in the ground that connects the magma chamber to the Earth's surface?
crater
vent
side vent
pipe
8
What is the main hazard from a quiet volcanic eruption?
volcanic gases
pyroclastic flows
lava flows
geysers
9
What is stress that pushes a mass of rock in two opposite directions?
shearing
deformation
tension
compression
10
What is the best way to protect yourself in an earthquake?
Go to the basement.
Stand under a tree.
Drop, cover, and hold.
Run as fast as you can.
11
What happens when a volcano's magma is high in silica?
It will erupt quietly.
It will erupt explosively.
It will remain dormant.
It will produce dark-colored lava.
12
Geologists know that wherever plate movement stores energy in the rock along faults...
an earthquake is occurring.
an earthquake could never occur.
earthquakes are not likely.
earthquakes are likely.
13
Which of the following can cause damage days/months after a large earthquake?
aftershock
tsunami
liquefaction
arrival of surface waves
14
Which scale would be used to tell how much earthquake damage was done to homes and buildings?
Richter scale
moment magnitude scale
seismic scale
Mercalli scale
15
What is the major ingredient of magma?
obsidian
silica
dissolved gases
pahoehoe
16
Where do volcanic belts form?
islands in the Pacific Ocean
North American mountain ranges
coast of Ant arctica
boundaries of Earth's plates
17
Type of seismic waves that arrive at the surface first--compress & expand like an accordion...
Mercalli waves
P waves
surface waves
S waves
18
S waves are also known as what?
surface waves
focus waves
secondary waves
primary waves
19
What is a large area of flat land elevated high above sea level?
canyon
syncline
plateau
fault
20
What type of stress force produces reverse faults?
shearing
deformation
compression
tension
