EASY
8th CBSE
IMPORTANT
Earn 100

Name the instrument for measuring the intensity of an earthquake.

Important Questions on Some Natural Phenomena

EASY
8th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 15 - Some Natural Phenomena>Exercise>Q 3
What do you mean by thunder?
EASY
8th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 15 - Some Natural Phenomena>Exercise>Q 4
Why does a comb rubbed on dry hair attract pieces of paper?
MEDIUM
8th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 15 - Some Natural Phenomena>Exercise>Q 1
What is meant by charging by friction?
MEDIUM
8th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 15 - Some Natural Phenomena>Exercise>Q 2
What is an earthquake? Name the scale which describes the magnitude of an earthquake.
EASY
8th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 15 - Some Natural Phenomena>Exercise>Q 3
What is meant by electrostatic force?
MEDIUM
8th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 15 - Some Natural Phenomena>Exercise>Q 4
Why do we say that repulsion is a sure test of charge on an object?
HARD
8th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 15 - Some Natural Phenomena>Exercise>Q 1
List any three causes and effects of earthquake.
EASY
8th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 15 - Some Natural Phenomena>Exercise>Q 2
What are the harmful effects of lightning?