MEDIUM
8th CBSE
IMPORTANT
Earn 100

Draw a well-labelled diagram of a lightning conductor and explain how it protects a building from lightning.

Important Questions on Some Natural Phenomena

MEDIUM
8th CBSE
IMPORTANT
Start Up Science>Chapter 13 - Some Natural Phenomena>EXERCISES>Q 5
Describe the structure of the Earth.
MEDIUM
8th CBSE
IMPORTANT
Start Up Science>Chapter 13 - Some Natural Phenomena>EXERCISES>Q 6
Explain how the movement of tectonic plates causes an earthquake.Give the various causes that results in an earthquake.
MEDIUM
8th CBSE
IMPORTANT
Start Up Science>Chapter 13 - Some Natural Phenomena>EXERCISES>Q 7
Discuss a few steps you should take to protect yourself during an earthquake.
MEDIUM
8th CBSE
IMPORTANT
Start Up Science>Chapter 13 - Some Natural Phenomena>EXERCISES>Q 8
Give four hazards of earthquakes.
EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 13 - Some Natural Phenomena>EXERCISES>Q 2
What happens when you touch the paper clip of a self-made electroscope? What is this process called?
MEDIUM
8th CBSE
IMPORTANT
Start Up Science>Chapter 13 - Some Natural Phenomena>EXERCISES>Q 3
Name the instrument used to measures the seismic waves. Describe its components. 
MEDIUM
8th CBSE
IMPORTANT
Start Up Science>Chapter 13 - Some Natural Phenomena>EXERCISES>Q 4
Give the classification of earthquakes on the basis of the readings on the Richter scale.
EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 13 - Some Natural Phenomena>EXERCISES>Q 1
A person should squat down with his feet together when lightning hits, if he is in the open with no safe place around.