Ch – 8 Winds, Storms & Cyclones

Important Notes:

Q.1: The moving air is called ___________.

Ans: Wind

Q.2: Orissa was hit by a cyclone with wind speed of 200 km/hr on ______________.

Ans: 18 October 1999

Q.3: Air exerts ____________.

Ans: pressure

Q.4: Increased wind speed is accompanied by a _________ air pressure.

Ans: reduced

Q.5: Air moves from the region of _________ air pressure to the region of ________ air pressure.

Ans: high, low

Q.6: On heating, the air ________ and occupies _______ space.

Ans: expands, more

Q.7: The regions close to the __________ get maximum heat from the Sun.

Ans: equator

Q.8: When the warm air of equator region rises, then the cooler air of regions in the ________ degrees latitude belt on either side of the equator moves in.

Ans: 0-30

Q.9: Most of the times, the temperature of land is ________ than that of water in the ocean.

Ans: higher

Q.10: The word monsoon is derived from the Arabic word ‘__________’.

Ans: mausam

Q.11: The centre of a cyclone is known as ________ of the storm.

Ans: eye

Q.12: The swift movement of the falling water droplets along with the rising air create lightning and sound is known as _____________.

Ans: thunderstorm

Q.13: The diameter of the eye of storm varies from _____ to ______ km.

Ans: 10, 30

Q.14: Thunderstorms develop in ________ areas.

Ans: hot, humid tropical

Q.15: Around the eye of the storm, there is a cloud region of about ______ km in size.

Ans: 150

Q.16: ________ region of the storm is free of clouds and has light winds.

Ans: eye

Q.17: Factors like ___________, ____________, __________ and ___________ contribute to the development of cyclones.

Ans: wind speed, wind direction, humidity, temperature

Q.18: Cyclone is called a ___________ in America.

Ans: Hurricane

Q.19: Cyclone is known as _________ in Japan & Philippines.

Ans: Typhoon

Q.20: A ___________ is a dark funnel shaped cloud that reaches from the sky to the ground.

Ans: tornado

Q.21: A violent tornado can travel at speed of about ________ km/hr.

Ans: 300

Q.22: The _________ of tornado sucks dust, debris and everything near it at the base and throws them out near the top.

Ans: funnel

Q.23: The coastline of ________ India is vulnerable to cyclones.

Ans: east

Q.24: ___________ plays an important role in the formation of storms.

Ans: wind speed

Q.25: The instrument that measures the wind speed is called an _____________.

Ans: anemometer

Q.26: _____________ is issued 48 hours in advance of any expected storm.

Ans: cyclone alert or cyclone watch

Q.27: _____________ is issued 24 hours in advance of any expected storm.

Ans: cyclone warming

Published by Priya Prakash

In the midst of winter, i found there was within me an invincible summer ~ Albert Camus

3 thoughts on “Ch – 8 Winds, Storms & Cyclones

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