MEDIUM
8th CBSE
IMPORTANT
Earn 100

Sometimes, a crackling sound is heard while taking off sweater during winter. Explain.

Important Questions on Some Natural Phenomena

EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 13 - Some Natural Phenomena>Some Questions from NCERT>Q 5
Explain why a charged body loses its charge if we touch it with our hand.
MEDIUM
8th CBSE
IMPORTANT
Start Up Science>Chapter 13 - Some Natural Phenomena>Some Questions from NCERT>Q 6
Name the scale on which the destructive energy of an earthquake is measured. An earthquake measures 3 on this scale. Would it be recorded by a seismograph? Is it likely to cause much damage?
MEDIUM
8th CBSE
IMPORTANT
Start Up Science>Chapter 13 - Some Natural Phenomena>Some Questions from NCERT>Q 7

Suggest three measures to protect ourselves from lightning.

MEDIUM
8th CBSE
IMPORTANT
Start Up Science>Chapter 13 - Some Natural Phenomena>Some Questions from NCERT>Q 8
Explain why a charged balloon is repelled by another charged balloon whereas an uncharged balloon is attracted by another charged balloon?
MEDIUM
8th CBSE
IMPORTANT
Start Up Science>Chapter 13 - Some Natural Phenomena>Some Questions from NCERT>Q 9
Describe with the help of a diagram an instrument which can be used to detect a charged body.
EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 13 - Some Natural Phenomena>Some Questions from NCERT>Q 10
List three states in India where earthquakes are more likely to strike.
EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 13 - Some Natural Phenomena>Some Questions from NCERT>Q 11
Suppose you are outside your home and an earthquake strikes. What precaution would you take to protect yourself?
EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 13 - Some Natural Phenomena>Some Questions from NCERT>Q 12
The weather department has predicted that a thunderstorm is likely to occur on a certain day. Suppose you have to go out on that day. Would you carry an umbrella? Explain.