MEDIUM
4th CBSE
IMPORTANT
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Define sea breeze and land breeze with the help of diagrams.

Important Questions on Air and Water

EASY
4th CBSE
IMPORTANT
Science Booster Class 4>Chapter 10 - Air and Water>PRACTICE TIME>Q D
Define evaporation. What are the factors that affect the rate of evaporation?
EASY
4th CBSE
IMPORTANT
Science Booster Class 4>Chapter 10 - Air and Water>PRACTICE TIME>Q D
What are rain, snow and hail?
EASY
4th CBSE
IMPORTANT
Science Booster Class 4>Chapter 10 - Air and Water>PRACTICE TIME>Q D
What is water pollution? How can polluted water be purified for drinking?
MEDIUM
4th CBSE
IMPORTANT
Science Booster Class 4>Chapter 10 - Air and Water>PRACTICE TIME>Q D
Draw water cycle that takes place in nature.
EASY
4th CBSE
IMPORTANT
Science Booster Class 4>Chapter 10 - Air and Water>PRACTICE TIME>Q E
Early morning flights are delayed during winter. Why?
EASY
4th CBSE
IMPORTANT
Science Booster Class 4>Chapter 10 - Air and Water>PRACTICE TIME>Q E
Why does the water table rise during the rainy season?
MEDIUM
4th CBSE
IMPORTANT
Science Booster Class 4>Chapter 10 - Air and Water>PRACTICE TIME>Q F

Solve the puzzle with the help of the given clues.

Down

1. This is the amount of water in the air.

2. This is formed on leaves in winter mornings.

4. This is colourful and forms during rains.

Across

3. This affects the rate of evaporation.

5. Water vapour condenses to form these.

6. This reduces the visibility when it forms.

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EASY
4th CBSE
IMPORTANT
Science Booster Class 4>Chapter 10 - Air and Water>PRACTICE TIME>Q G
Our modern lifestyle is the main cause of polluting water. Discuss.