Air, Water and Weather

What is the thick envelop of air called?

• Gale

• Hot Air

• Atmosphere

• Atmophere

Answer explanation

We are living under a thick envelop of air called atmosphere.

Air in motion is called (a)  

Answer explanation

Air in motion is called Wind.

Wind affects the climatic condition.

• False

• True

Answer explanation

Wind affects the climatic condition of different places.

When storms occur with dust , these are called ______

• Gale

• Thunderstorms

• Breeze

• None of these

Answer explanation

When storms occur with dust, they are called dust storms.

What is the percentage of Oxygen in air?

• 0.04%

• 21%

• 41%

• All of these

Answer explanation

21% of the Atmosphere is Oxygen.

The heat of the Sun causes _____ and _____ breezes.

• Air and Land

• Sea and Land

• Sea and Water

Answer explanation

The heat of the Sun causes Land and Sea breezes.

Which of the following is an example of universal solvent?

• Water

• Soil

• Air

• Other

Answer explanation

Many substances dissolve in water. So water is known as universal solvent.

Changing of water vapour into water on (a)   is known as condensation.

During the Daytime, the land gets heated up _____.

• Slower

• Faster

Answer explanation

Explanation - During the Daytime, the land gets heated up Faster.

The cool air from Sea blows towards the ______ during ______.

• Sea, Night

• Land, Daytime

• Land, Night

• None of these

• Sea, Daytime

Answer explanation

The cool air from Sea blows towards the Land during the Daytime.