Cloud and Rain

A cloudy day is cooler than a sunny day. Why?

• No light

• No heat

• Cloud blocks the sun

• No sun in the sky

Amount of water decreases while boiling. Why?

• Water disappears.

• Water changes into water vapour.

• Pot absorbs all the water.

• All of the answers are correct.

When does it rains?

• When it is very cold.

• When it is very hot.

• When wind blows.

• When clouds are seen.

When water evaporates, it forms

• ice

• water vapour

• snow

• liquid

Condensation takes place when

• water is boiled.

• water vapour is cooled.

What is the opposite of evaporation?

• Condensation

• Precipitation

• Collection

• Sublimation

The continuous process of evaporation, condensation and rain is called

• water cycle

• freezing

• cloud formation

• melting

What happens when ice melts?

• changes into water.

• changes into ice.

• changes into water vapour.

• changes into snow.

Snow is the __________ state of water.

• solid

• liquid

• gas

• none

When moist air cools, _______ is formed.

• dew

• rain

• snow

• nothing