What is an electroscope?

Important Questions on Some Natural Phenomena

EASY

8th CBSE

IMPORTANT

Living Science 8>Chapter 14 - Some Natural Phenomena>EXERCISES>Q C

What is earthing?

EASY

8th CBSE

IMPORTANT

Living Science 8>Chapter 14 - Some Natural Phenomena>EXERCISES>Q D

Explain why, when two bodies, charged by rubbing them together, acquire equal and opposite charge.

EASY

8th CBSE

IMPORTANT

Living Science 8>Chapter 14 - Some Natural Phenomena>EXERCISES>Q D

What is the difference between static and current electricity?

EASY

8th CBSE

IMPORTANT

Living Science 8>Chapter 14 - Some Natural Phenomena>EXERCISES>Q D

What is an electric discharge? Under what conditions does it occur?

EASY

8th CBSE

IMPORTANT

Living Science 8>Chapter 14 - Some Natural Phenomena>EXERCISES>Q D

In what situation can lightning be dangerous? How can the danger to tall buildings be reduced?

EASY

8th CBSE

IMPORTANT

Living Science 8>Chapter 14 - Some Natural Phenomena>EXERCISES>Q D

How does a lightning conductor works?

EASY

8th CBSE

IMPORTANT

Living Science 8>Chapter 14 - Some Natural Phenomena>EXERCISES>Q D

List four precautions you will take to save yourself from a lightning strike during a thunderstorm.

MEDIUM

8th CBSE

IMPORTANT

Living Science 8>Chapter 14 - Some Natural Phenomena>EXERCISES>Q D

What is the Richter scale? Why do we say that it is not a linear scale?