MEDIUM
8th CBSE
IMPORTANT
Earn 100

Why are lightning conductors made of metals and not plastics?

Important Questions on Natural Phenomena

EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 20 - Natural Phenomena>EXERCISE>Q 2
 Why do we get a shock when we touch electric switch with wet hands?
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 20 - Natural Phenomena>EXERCISE>Q 3
Why are tall structures such as towers and skyscrapers more susceptible to lightning strikes?
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 20 - Natural Phenomena>EXERCISE>Q 4
There was a heavy thunderstorm and frequent lightning strikes. Shalu wanted to use the landlines to convey it to her sister. Her mother told her not to use the landlines to do so. Why did she say so?
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 20 - Natural Phenomena>EXERCISE>Q 5

Why is earthing provided in buildings?

HARD
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 20 - Natural Phenomena>EXERCISE>DISCUSS
Natural disasters are not under human control but we can be better prepared if we follow the Alert and Warning System for disaster management. How can these alert systems help us?
HARD
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 20 - Natural Phenomena>EXERCISE>FUN ACTIVITIES

Write C for conductors and I for insulators.

Question Image

HARD
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 20 - Natural Phenomena>EXERCISE>Q 1
To do or not to do!
Choose the things which you will do or not do during the mentioned natural disaster.
HARD
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 20 - Natural Phenomena>EXERCISE>Q 2
With the recent increase in the number of earthquakes recently, you are concerned about the people of your community and want to invite them to attend a safety mock drill which you are hosting. Create a plan to drive out awareness of the ways to be safe during an earthquake and inviting them to your mock drill event. Who are the people who will be involved?