Question

2. Fill in the blanks :
(1) Winds are generated due to
heating on the earth.
(2) Near
the
air
rises
earth's surface
air comes down.
up
whereas
(3) Air moves from a region of
pressure.
pressure to a region of
(4) Cyclone is called a
in the American continent.
(5)
winds from the oceans carry water vapour and bring rain.
is used for measuring the speed
(6) An instrument called
of wind.
Teacher's suggestion:​

Answer 1

Answer:

Wind is air in motion. It is produced by the uneven heating of the earth's surface by the sun. Since the earth's surface is made of various land and water formations, it absorbs the sun's radiation unevenly. Two factors are necessary to specify wind: speed and direction.

Answer 2

Answer:

(a) Wind is moving air.

(b) Winds are generated due to uneven heating on the earth.

(c) Near the earth’s surface warm air rises up whereas cold air comes down.

(d) Air moves from a region of high pressure to a region of low pressure.