HARD
8th CBSE
IMPORTANT
Earn 100

Draw a labelled diagram of a gold-leaf electroscope. Describe how you will use it to detect a charge, measure a charge and find the nature of the charge.

Important Questions on Some Natural Phenomena

EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 14 - Some Natural Phenomena>EXERCISES>Q E
Explain how lightning occurs between two clouds during a storm.
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 14 - Some Natural Phenomena>EXERCISES>Q E
Explain the process of lightning striking a building or tree.
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 14 - Some Natural Phenomena>EXERCISES>Q E
In what ways is lightning useful?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 14 - Some Natural Phenomena>EXERCISES>Q E
Explain how an earthquake happens.
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 14 - Some Natural Phenomena>EXERCISES>Q E
List three things that you will do during an earthquake. 
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 14 - Some Natural Phenomena>EXERCISES>Q 1
Why are taller buildings in greater danger of being struck by lightning?
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 14 - Some Natural Phenomena>EXERCISES>Q 2
When a positively charged body is brought near an uncharged metal rod, the part of the rod near the charged body acquires a negative charge, and the far side a positive charge. Can you say why this happens? Remember that in a body, negative charges are mobile whereas positive charges are fixed.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 14 - Some Natural Phenomena>EXERCISES>Q 3
If you hold a plastic comb in your hand and rub it in your hair, it will be charged. However, if you do the same with a metal comb it will not get charged. Why? But if the metal comb has a plastic handle and how you hold it from the handle, it will also get charged. Why?