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8th CBSE
IMPORTANT
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The lightning conductors are made of insulators to protect the buildings.

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Important Questions on Some Natural Phenomena

EASY
8th CBSE
IMPORTANT
Frank Experience Science>Chapter 15 - Some Natural Phenomena>EXERCISES>Q 5
Lightning and thunderstorms can be predicted.
EASY
8th CBSE
IMPORTANT
Frank Experience Science>Chapter 15 - Some Natural Phenomena>EXERCISES>Q 1
What type of electric charge is acquired by a rubber balloon when rubbed with a woollen cloth?
EASY
8th CBSE
IMPORTANT
Frank Experience Science>Chapter 15 - Some Natural Phenomena>EXERCISES>Q 2
What are the two kind of electric charges?
EASY
8th CBSE
IMPORTANT
Frank Experience Science>Chapter 15 - Some Natural Phenomena>EXERCISES>Q 3
What is the use of earthing?
EASY
8th CBSE
IMPORTANT
Frank Experience Science>Chapter 15 - Some Natural Phenomena>EXERCISES>Q 4
Name the device used to protect a tall building from lightning.
EASY
8th CBSE
IMPORTANT
Frank Experience Science>Chapter 15 - Some Natural Phenomena>EXERCISES>Q 5
What are seismic zones?
EASY
8th CBSE
IMPORTANT
Frank Experience Science>Chapter 15 - Some Natural Phenomena>EXERCISES>Q 1
What happens when the two plates of the Earth's crust moving in the opposite directions slide apart one another?
EASY
8th CBSE
IMPORTANT
Frank Experience Science>Chapter 15 - Some Natural Phenomena>EXERCISES>Q 2
What is a seismograph?