Clouds form when water vapor in the air cools and condenses into water droplets or ice crystals, gathering tiny particles like dust. This process typically occurs when warm air rises, cools, and loses its capacity to hold moisture.

MCQs

1. What happens to water vapor as it rises higher in the atmosphere?

A) It gets warmer
B) It turns into snow
C) It cools and condenses into water droplets
D) It disappears

 

2 What do clouds need to form besides water vapor?

A) Leaves
B) Sunlight
C) Dust particles
D) Birds

 

3. Which type of cloud is typically thin and wispy?

A) Cumulus
B) Stratus
C) Cirrus
D) Nimbus

 

4. What is the process called when water vapor turns directly into ice crystals, forming clouds?

A) Melting
B) Freezing
C) Sublimation
D) Condensation

 

5. Which cloud type is known for indicating stormy weather?

A) Cirrus
B) Cumulonimbus
C) Cumulus
D) Stratus

 

Fill in The Blanks

Choose from The Words: cools, clouds, cools.

1. Clouds form when water vapor in the air ____ and condenses into tiny water droplets or ice crystals.

 

2. Water droplets or ice crystals then come together to form ____.

 

3. Clouds can also form when warm air rises and ____ as it reaches higher altitudes.

 

True / False

1. Clouds are made up of water droplets or ice crystals (True / False)

 

2. Clouds form when the air gets warmer (True / False)

 

3. Clouds are always white (True / False)

 

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