CBSE Class 8 Science Worksheet - Some Natural Phenomena Part B

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L-15

Some Natural Phenomena

Q.1 Fill in the blanks :

a) A device which is used to test whether an object is carrying charge or not is known as ________________.

b) The process of transferring of charge from a charged object to the earth is called ________________.

c) ________________. is a device used to protect buildings from the effect of lightening.

d) Negative and positive charges meet, producing streaks of bright light and sound in clouds, this process in called an ______________.

e) The power of an earthquake is expressed in terms of a magnitude on a scale called the ________________________.

Key words :- Richter scale, electroscope, earthing, lightening conductors, Electric dischange

Q.2 Write the following sentences in the correct boxes.

a) Carrying an umbrella is a good idea during thunderstroms.

b) Open cars are not safe.

c) Stay far away from all trees.

d) Lie on the ground.

e) Squat low on the ground.

f) Don’t touch electrical wires and metal pipes

g) Use mobile phones.


Please refer to attached file for CBSE Class 8 Science Worksheet - Some Natural Phenomena Part B

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