Some natural phenomenon Worksheet-1
Fill in the blank:
_______ is caused by the accumulation of charges in the clouds.
_______ charge can be transferred from a charged object to another through a metal conductor.
The process of transferring of charge from a charged object to the earth is called ______.
_______ is a device used to protect buildings from the effect of lightning.
An_______ is a sudden shaking or trembling of the earth lasting for a very short time.
Uppermost layer of the earth called the ______.
The power of an earthquake is expressed in terms of a magnitude on a scale called _____.
Destructive earthquakes have magnitudes higher than _______ on the Richter scale.
The Central Building Research Institute, _______, has developed quake proof houses.
In 1752 ______, an American scientist, discovered lightning
The electrical charges generated by rubbing the object are ______.
When charges move, they constitute a/an _______.
Earthing is provided in buildings to protect us from ______ due to any leakage of electrical current.
Earthquakes are caused by the movement of ______.
The weak earthquake zones are known as ______ zones.