Some Natural Phenomena

Some Natural Phenomena Worksheet-1

1. The force present between two charged bodies is:

(a) electrostatic force                  (b) electromagnetic force

(c) gravitational force                 (d) frictional force

2. When two bodies are rubbed against each other:

(a) they acquire equal and similar charges

(b) they acquire equal and opposite charges

(c) they acquire different charges but in different amounts depending upon their masses

(d) they do not acquire any charge

Some Natural Phenomena Worksheet-2

1. How do cyclones decrease the fertility of the soil in the coastal areas?

(a) By flooding the land with saline water

(b) By dissolving soil and rocks

(c) By increasing the water table of the place

(d) By decreasing the water table of the place

2. Which of the following is the first sign of an approaching cyclone?

(a) Rains accompanied by lighting

(b) High temperature and humidity

(c) Cool breeze and rains

(d) Powerful water waves

Some Natural Phenomena Worksheet-3

1. During a cyclone, air moves from:

(a) region of high pressure to low pressure

(b) region of high pressure, to high pressure

(c) region of low velocity to high velocity

(d) region of high pressure to low velocity

2. A typhoon is essentially:

(a) a flood                                       (b) a cyclone

(c) Earthquake                              (d) none of these