Form 3: Causes of Earthquakes
Questions
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MultiChoice
What is the primary cause of an earthquake?
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MultiChoice
What is the exact point underground where an earthquake originates?
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WordsBox
The location on the surface directly above the earthquake's focus is called the ____ of the ____
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MultiChoice
What is a break or crack in Earth's crust along which rocks move?
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MultiChoice
How does energy travel outward from the focus during an earthquake?
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WordsBox
Friction holds tectonic plates together until stored ____ builds up and breaks free as seismic ____
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MultiChoice
What are the smaller earthquakes that occur after a main earthquake?
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MultiChoice
What are mild tremors called that sometimes happen before a major earthquake?
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WordsBox
Scientists who study earthquakes are called ____ and they track ground ____
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MultiChoice
Which seismic wave travels the fastest through rock?
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MultiChoice
Which type of seismic wave causes the most damage at Earth's surface?
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WordsBox
Seismic waves radiate in all directions away from the earthquake's underground ____ along the ____ line.