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Earthquakes 2

Test Description: Earthquakes

Instructions: Answer all questions to get your test result.

1) By analyzing the difference in the time it takes for P and S waves to arrive at a seismograph station, scientists can determine an earthquake's -

AL waves Bfocus Cintensity Dfault zone

2) The Richter scale expresses an earthquake's

Amagnitude Bdepth Clocation Dspeed

3) Most injuries during earthquakes are caused by -

Acracks in the earth's surface Bthe collapse of buildings CThe vibration of P waves Dthe vibration of S waves

4) A large seismic sea wave is called -

Aan L wave Ba P wave Can S wave Da tsunami

5) If an earthquake strikes while you are in a car, you should

Apark the car under a bridge Bstop the car in a clear space and remain in the car Cget out of the car Dcontinue driving

6) The stae of balance between the thickness of the curst and the depth at which it floats on the asthenosphere is called

Aisostatic adjustment Bshearing Cstrain Dstress

7) Isostatic adjustment causes -

Aall of the above Bstress Cearthquakes Dfolding

8) Which on of the following is not an earthquakes safety tip?

AStay inside BBe cautious CBe prepared DStay calm

9) Seismic gaps are -

ANone of the above BLocations where there is increased earthquake activity CLocations where earthquakes have not occured in a period of time Dthe time between P and S waves

10) Tsunamis are cuases by -

AAll of the above Bunderwater earthquakes Cunderwater sea waves Dunderwater landslides

*select an answer for all questions

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