What is stress in the context of earthquakes?
Earthquake Practice Flashcard

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Science
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6th - 8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Stress refers to the force applied to rocks, which can lead to deformation and ultimately cause earthquakes. The main types of stress are compression, tension, and shearing.
2.
FLASHCARD QUESTION
Front
What are the three main types of plate boundaries?
Back
1. Divergent: Plates move apart. 2. Convergent: Plates push together. 3. Transform: Plates slide past each other.
3.
FLASHCARD QUESTION
Front
What is a fault in geology?
Back
A fault is a fracture or zone of fractures between two blocks of rock, which can cause earthquakes when the blocks move.
4.
FLASHCARD QUESTION
Front
What is a strike-slip fault?
Back
A strike-slip fault is a type of fault where two blocks of rock slide past each other horizontally.
5.
FLASHCARD QUESTION
Front
What is a reverse fault?
Back
A reverse fault is a type of fault where the hanging wall moves up relative to the footwall, typically caused by compressional stress.
6.
FLASHCARD QUESTION
Front
What is a normal fault?
Back
A normal fault is a type of fault where the hanging wall moves down relative to the footwall, typically caused by tensional stress.
7.
FLASHCARD QUESTION
Front
What is the focus of an earthquake?
Back
The focus is the point within the Earth where an earthquake originates, and seismic waves radiate outward from this point.
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