Which one of the following places is unlikely to be affected by a cyclone?

1

(a)

Chennai

(b)

Mangaluru (Mangalore)

(c)

Amritsar

(d)

Puri

Which of the statements given below is correct?

1

(a)

In winter, the winds blow from the land to the ocean.

(b)

In summer, the winds blow from the land towards the ocean.

(c)

A cyclone is formed at a very high pressure system with very high speed winds revolving around it.

(d)

The coastline of India is not vulnerable to cyclones.

The winds from oceans which carry water and bring rain are called:

1

(a)

Cyclone

(b)

Typhoon

(c)

Monsoon

(d)

None of these

The atmospheric pressure is measured by:

1

(a)

Anemometer

(b)

Voltmeter

(c)

Barometer

(d)

Thermometer

The lightning conductor used to protect high rise buildings is made of:

1

(a)

Ebonite

(b)

Aluminium

(c)

Steel

(d)

Copper

Near the earth's surface, ______________ air rises up ______________ whereas ___________ air comes down.

1

(a)

warm, cool

Air moves from a region of ___________ pressure to a region of __________ pressure.

1

(a)

high, low

It is _________ row boat in the moving direction of wind

1

(a)

easier

Very low pressure system with very high speed minds revolving around it is called a ______

1

(a)

Cyclone

Air exerts _______

1

(a)

Pressure

The layer of air surrounding the earth is called atmosphere.

1

(a) False

(b) True

Air gets contracted on the heating.

1

(a) True

(b) False

Cyclone develops in the polar region.

1

(a) True

(b) False

Hud-Hud and Katrina are Typhoon.

1

(a) False

(b) True

Tornado is frequently observed in India.

1

(a) True

(b) False

What happens to the shape of the can?

1

(a)

The can gets crushed inwards.

Can you guess why the shape of the can gets distorted?

1

(a)

The pressure air outside the can is stronger than the inside. This imbalance leads tot he distortion.

What is a wind

1

(a)

The moving air is called wind.

What is the meaning of monsoon?

1

(a)

These are the winds from the sea that carry water and cause rain.

When does it rain?

1

(a)

When air gets saturated with water vapour, it rains.