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Test: Weather, Water and Air- 2 - Class 4 MCQ


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10 Questions MCQ Test - Test: Weather, Water and Air- 2

Test: Weather, Water and Air- 2 for Class 4 2024 is part of Class 4 preparation. The Test: Weather, Water and Air- 2 questions and answers have been prepared according to the Class 4 exam syllabus.The Test: Weather, Water and Air- 2 MCQs are made for Class 4 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Weather, Water and Air- 2 below.
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Test: Weather, Water and Air- 2 - Question 1

The burning of fire needs

Detailed Solution for Test: Weather, Water and Air- 2 - Question 1

The burning of fire needs oxygen.

The Secret Science of Flames - American Chemical Society

Test: Weather, Water and Air- 2 - Question 2

Asma took two balloons. She blew air with mouth in one balloon and she filled another balloon with the vapours of boiling water. She released the two balloons and observed that the balloon with the hot vapours rose higher than the other balloon. What did she learn from this experiment?

Detailed Solution for Test: Weather, Water and Air- 2 - Question 2

Hot air has less weight.

Does hot air have more mass than cold air? - Quora

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Test: Weather, Water and Air- 2 - Question 3

When Suresh blew air into a balloon it expanded. This shows that

Detailed Solution for Test: Weather, Water and Air- 2 - Question 3

Air occupies space.

Test: Weather, Water and Air- 2 - Question 4

Which of the following does NOT disturb the balance of gases in the air?

Detailed Solution for Test: Weather, Water and Air- 2 - Question 4

Trees and plants maintain the balance of gases in the air.

Test: Weather, Water and Air- 2 - Question 5

When we blow air into a balloon it expands. What is the reason?

Detailed Solution for Test: Weather, Water and Air- 2 - Question 5

Air exerts pressure on the walls of the balloon and it expands.

Test: Weather, Water and Air- 2 - Question 6

Answer questions 10 based on the following figure.

            

Arrow 1 represents

Detailed Solution for Test: Weather, Water and Air- 2 - Question 6

Arrow 1 represents land breeze.

Test: Weather, Water and Air- 2 - Question 7

Germs present in tap water can be killed by

Detailed Solution for Test: Weather, Water and Air- 2 - Question 7

Germs present in tap water can be killed by boiling.

Test: Weather, Water and Air- 2 - Question 8
What is the process called when water vapor turns back into liquid water?
Detailed Solution for Test: Weather, Water and Air- 2 - Question 8
Condensation is the process where water vapor turns back into liquid water, often forming clouds or dew.
Test: Weather, Water and Air- 2 - Question 9
Which gas is most abundant in Earth's atmosphere?
Detailed Solution for Test: Weather, Water and Air- 2 - Question 9
Nitrogen is the most abundant gas in Earth's atmosphere, making up about 78% of it.
Test: Weather, Water and Air- 2 - Question 10
What effect does a sea breeze have on coastal areas during the day?
Detailed Solution for Test: Weather, Water and Air- 2 - Question 10
A sea breeze cools down the land as the cooler air from the sea moves towards the warmer land.
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