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Some Natural Phenomena

Earthquake

Last Updated on September 18, 2022 By Mrs Shilpi Nagpal

Structure of earth

Question 1 What is an earthquake? Question 2 Define the term epicentre and focus of an earthquake? Question 3 What are the main situations in which earthquake occurs? Question 4 What are the various effects of an earthquake? Question 5 Name the three layers of earth? Question 6 What is a seismograph? Question 7 What precautions should be taken by people living … [Read more...] about Earthquake

Lightning

Last Updated on September 18, 2022 By Mrs Shilpi Nagpal

Lightning conductor

Question 1 How is lightning produced between clouds in the sky? Question 2 Why does lightning usually strike tall building? Question 3 How does a lightning conductor protects a tall building? Question 4 Why are lightning strikes more frequent in hilly areas? Question 5 Name the materials of which a lightning conductor is made? Question 6 What is a lightning … [Read more...] about Lightning

Electric charges

Last Updated on November 9, 2022 By Mrs Shilpi Nagpal

comb attracts the tiny pieces of paper towards itself

Question 1 What are the two kinds of electric charges? Question 2 Why does a plastic comb rubbed with dry hair attract tiny pieces of paper? Question 3 What is lightning? Question 4 Explain why a charged balloon is repelled by another charged balloon? Question 5 Explain why a god rod can be charged by rubbing when held in hand but an iron rod cannot be charged by … [Read more...] about Electric charges

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