
Earthquakes LAST
Flashcard
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Science
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Practice Problem
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Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an earthquake?
Back
An earthquake is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves.
2.
FLASHCARD QUESTION
Front
What are seismic waves?
Back
Seismic waves are waves of energy that travel through the Earth, and they are produced by earthquakes or other geological processes.
3.
FLASHCARD QUESTION
Front
What are the two main types of seismic waves?
Back
The two main types of seismic waves are P-waves (primary waves) and S-waves (secondary waves).
4.
FLASHCARD QUESTION
Front
What does the 'S' in S-wave stand for?
Back
The 'S' in S-wave stands for 'Secondary', indicating that these waves arrive after P-waves.
5.
FLASHCARD QUESTION
Front
What is the focus of an earthquake?
Back
The focus of an earthquake is the point within the Earth where the earthquake originates.
6.
FLASHCARD QUESTION
Front
What is the epicenter of an earthquake?
Back
The epicenter is the point on the Earth's surface directly above the focus of an earthquake.
7.
FLASHCARD QUESTION
Front
What is a fault in geological terms?
Back
A fault is a break in the Earth's crust along which movement has occurred, causing earthquakes.
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