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EarthquakesMills

QuestionAnswer
Shaking and trembling that results from the movement of rock beneath Earth's surface is known as... An earthquake
What are the three main types of stress in rock? shearing, tension, compression
Stress that pulls on the crust, stretching rock is known as... tension
A force that acts on rock to change its shape or volume is called __________. stress
Stress that pushes a mass of rock in opposite directions is called _______. shearing
Define compression. squeezes rock until it folds or breaks
Any change in the volume or shape of Earth's crust is known as.... deformation
What type of stress causes a strike-slip fault? shearing
What type of stress causes a normal fault? tension
A break in Earth's crust where slabs of crust slip past each other is known as a _____. fault
What type of fault does a compression force cause? reverse fault
What type of fault produced the Appalachian Mountains? reverse fault
Define hanging wall. the half of the fault that lies above (in a normal fault)
Define footwall. the half of the fault that lies below (in a normal fault)
The collision of two plates can cause _________ and ________ of the crust. compression, folding
A fold in rock that bends upward into an arch is known as a(n) ________. anticline
A fold in rock that bends downward in the middle to form a bowl is known as a(n) ______. syncline
What is a plateau? large area of flat land elevated high above sea level
What are the four layers of the Earth? crust, mantle, outer core, inner core
T/F: The Earth's crust is thickest beneath the oceans. False
T/F: The inner core and outer core are made mostly of metals. True
The magnitude of the earthquake that hit Haiti was ____. 7.0
How far was the epicenter from the capital city of Port-au-Prince and in what direction? 15 miles, SW
About how many people were left homeless after the Haiti earthquake? 600,000
Why would the confirmed number of deaths increase during the clean-up? people were trapped under the debris and rubble
Created by: Mills, Susan
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