29 November 2012

8th Science Chapter Earthquake solved questions

Q. Where does the greatest number of earthquakes occur?
Ans: The boundaries of the tectonic plates are the weak zones where earthquakes are more likely to occur. The weak zones are also known as seismicor fault zones.
Q. What are different cases of tremors?
Ans: Tremors on the earth can be caused when a volcano erupts, or a meteor hits the earth, or an underground nuclear explosion is carried out. However, most earthquakes are caused by the movement of earth’s tectonic plates.
Q. What is the scale used to measure magnitude of the intensity of earthquake?
Ans: Richter scale
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CBSE Class: 8th Science Chapter Earthquake solved questions

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