MCQ Questions

Question No. 1

Name the following.

Answer :

1. gently blowing wind

2. storms which occur along with thunder and lightning

3. the process of water changing to water vapour

4. the process of water vapour changing to water

5. in Nature, the repeated change of water to water vapour and then back to water

Question No. 2

Short-answer type questions:

Answer :

1. What is a land breeze?

2. What is evaporation?

3. What is a sea breeze?

4. What is condensation ?

5. What are clouds made of?

6. When is dew formed?

7. Name some methods to purify water.

Question No. 3

Long-answer type questions:

Answer :

1. Explain the role of the sun in changing the weather.

2. Explain land breeze and sea breeze.

3. Differentiate between evaporation and condensation.

4. What is the water cycle and why is it called so?

5. Explain the process of sedimentation and decantation.

Question No. 4

Write 'T' for a true statement and 'F' for a false one.

Answer :

1. Weather remains the same all through the year.

2. Air contains only water vapour.

3. All snowflakes have six sides but look different from one another.

4. During the day, water gets heated faster than land

5. Fog is seen in the afternoon during winter

Question No. 5

A gentle wind is called

Answer :

breeze

gale

storm

hirrican

Question No. 6

When water is heated, it turns into

Answer :

snow

smoke

water vapour

ice

Question No. 7

The process of changing water vapour into water is known as

Answer :

condensation

freezing

heating

evaporation

Question No. 8

water vapour from the oceans rises and forms

Answer :

clouds

smoke

ice

fog

Question No. 9

water vapour in the air can give rise to

Answer :

rain and snow

only rain

rain and wind

smoke and fog

Question No. 10

a process which is not a method of water purification

Answer :

condensation

boiling

filtration

decantation

Chapter

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