Question

4. Why is lightning conductor used?
5. Write a short note on electric current.
6. What precautions must be taken
during lightning?
1. Short Answer Questions.
1. Make a well-labelled diagram of the gold
leaf electroscope
2. How can you find the nature of charge on
a body using an electroscope?
3. How does Richter scale help us?
III. Long Answer Questions.
1. Describe the working of a gold leaf
electroscope
2. How do you test for a charge?
3. What are the different methods of
charging a body?
4. What causes earthquakes? Which
precautions must be taken during
earthquakes?
5. Describe Benjamin Franklin's experiment
with reference to the lightning.
6. Describe the structure of the Earth.
with the help of a well-labelled diagram.
plzzz write the answer as per a student of class 8.and aslo if u writting any answer of one question plzzz refer that question.​

Answer 1

4. lightning conductor is a metal rod placed on a building and connected with the ground below to protect the building from being damaged by lightning.

5. an electric current is a flow of electric charge in a circuit in other words it is the rate of flow of electric charge through a conductor.

6 precaution must be taken during lightning:

-Avoid water during a thunderstorm .

-Avoid electronic equipment of all type .

-Avoid corded phones .

-Avoid concrete floors and walls .

-Avoid travelling through cars.