Some Natural Phenomena - Chapter Wise CBSE Solved Question and Answer Based On NCERT
Points To Remember:
There are two types of charges namely positive and negative charge, like charges repel each other and opposite charges attract each other
Some objects get charged by rubbing with other objects, the electrical charges produced by rubbing are called static charge
Lightning in sky is caused by the accumulation of charges in the cloud
Lightning strike could destroy life and property
Electroscope is a device used to detect whether a body is charged or not
The process of transfer of charge from a charged object to earth is called earthing
An earthquake is the sudden shaking and trembling of the earth which is caused by the disturbance inside the earth’s crust
Earthquake tends to occur at fault zones
Richter scale is used to measure the destructive energy of an earthquake, the earthquake measuring 7 or more on Richter scale can cause severe damage to life and property
We should protect ourselves from destructive effects of earthquake
