Earthquakes
Presentation
•
Science
•
5th - 8th Grade
•
Easy
+2
Standards-aligned
Ryan Aman
Used 1K+ times
FREE Resource
7 Slides • 9 Questions
1
Earthquakes
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What are earthquakes?
Earthquakes are caused by plate movement
The waves that carry energy in a earthquake are call seismic waves
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Open Ended
4
Multiple Choice
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Where do earthquakes happen?
They happen at plate boundaries or faults
Most earthquakes occur at convergent or transform boundaries
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Open Ended
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Multiple Choice
8
How many earthquakes are expected each year?
Millions of earthquakes happen every year. Most are too weak to be felt.
The National Earthquake Information Center records about 20,000 a year.
That's about 55 recorded earthquakes a day!
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How many major earthquakes are expected each year?
That includes 15 earthquakes in the magnitude 7 range and one earthquake magnitude 8.0 or greater.
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Multiple Choice
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How do earthquakes happen?
Tectonic plates move and release energy
The focus is the place where the energy is released
Epicenter - location on surface directly above the focus
Energy travels as seismic waves out from the focus
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Multiple Choice
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Multiple Choice
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How are earthquakes studied?
Seismometer - device that measures intensity of earthquakes
Intensity is the strength of the shaking motion
Richter scale measures the magnitude or size of an earthquake
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Multiple Choice
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Multiple Choice
Earthquakes
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