Some Natural Phenomena

Some natural phenomenon Worksheet-4

11. What is called the sudden shaking or trembling of the earth lasting for a very short time?

(A) Lightning                                 (B) Earthquake

(C) Thunderstorm                        (D) Volcanic eruption

12. What is the reason of earthquake?

(A) Excessive soil pollution        (B) Excessive deforestation

(C) Excessive flood                      (D) Disturbance in the earth’s crust

Some natural phenomenon Worksheet-5

Short Question:

1. What are natural calamities?

2. What is lightning?

3. What is the main cause of lightning?

4. What is amber?

5. What is the function of earthing?

6. What is an electroscope?

7. How lightning occurs in the sky?

8. Which safety measures must be taken at home during lightning?

9. What should be avoided during lightning?

Some natural phenomenon Worksheet-6

True of false:

1. Lightning is an electric spark, but on a small scale.

2. Benjamin Franklin showed that lightning and the spark from clothes are the same phenomena

3. The electrical charges generated by rubbing are in motion.      

4. When charges move, they constitute an electric current.  

5. Electrical charge can be transferred from a charged object to another through a metal insulator.

6. During thunderstorm, the air currents move upward while the water droplets move downward.

7. The process of electric discharge can occur between two or more clouds