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8th CBSE
IMPORTANT
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What is the Richter scale? 

Important Questions on Some Natural Phenomena

MEDIUM
8th CBSE
IMPORTANT
Study Mate Science Class 8>Chapter 15 - Some Natural Phenomena>NUT Cracker>Q I

What is the wrong in the following picture and why?

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HARD
8th CBSE
IMPORTANT
Study Mate Science Class 8>Chapter 15 - Some Natural Phenomena>NUT Cracker>Q II

Label the different parts of seismograph shown below.

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8th CBSE
IMPORTANT
Study Mate Science Class 8>Chapter 15 - Some Natural Phenomena>NUT Cracker>Q 1
Why can a crackling sound be heard sometimes while taking off a woollen sweater during winters?
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8th CBSE
IMPORTANT
Study Mate Science Class 8>Chapter 15 - Some Natural Phenomena>NUT Cracker>Q 2
How does lightning occur? 
MEDIUM
8th CBSE
IMPORTANT
Study Mate Science Class 8>Chapter 15 - Some Natural Phenomena>NUT Cracker>Q 3
Why do two charged balloons repel each other, while an uncharged balloon is attracted to a charged balloon?
HARD
8th CBSE
IMPORTANT
Study Mate Science Class 8>Chapter 15 - Some Natural Phenomena>NUT Cracker>Q 4
How does a seismograph work?
EASY
8th CBSE
IMPORTANT
Study Mate Science Class 8>Chapter 15 - Some Natural Phenomena>NaTTY NUT>Q II
Lightning is seen before thunder is heard.
EASY
8th CBSE
IMPORTANT
Study Mate Science Class 8>Chapter 15 - Some Natural Phenomena>NaTTY NUT>Q II
When two bodies are charged by rubbing against each other, they acquire the same charge.