Q12 of 28 Page 87

Is it possible to predict the occurrence of an earthquake?

No, it is not possible to predict the occurrence of an earthquake.

i. We know for sure what causes an earthquake.


ii. But, it is not yet possible to predict when and where the next earthquake might occur.


iii. Scientists are trying hard to predict the occurrence of earthquake.


More from this chapter

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10

Consider the list of terms given below

(i) Tsunami (iii) Floods


(ii) Landslide (iv) Lightning


Earthquakes can cause

 11

State whether the following are True or False.

(a) Earthquakes occur all the time all over the world.


(b) The plates of the outermost layer of the earth are always in continuous motion.


(c) Tremors on the earth can also be caused by the eruption of a volcano.


(d) The process of electric discharge cannot occur between clouds and the earth.


(e) Bathing outdoors should be avoided during a thunderstorm.

 13

If a charged plastic straw is brought near another uncharged plastic straw, what will happen?

 14

The aluminum strips in an electroscope as shown in fig. 15.1 are replaced by plastic strips and a charged body is brought in contact with the metal clip. What will happen?