EASY
4th Tamil Nadu Board
IMPORTANT
Earn 100

What is the importance of air in our daily life?

Important Questions on Air We Breathe

EASY
4th Tamil Nadu Board
IMPORTANT
Standard 4 Term III Science>Chapter 3 - Air We Breathe>Activity
You might have seen some huge colourful balloons flying high in malls. Those balloons are filled with nitrogen gas. Write the reason for filling nitrogen gas in balloons.
EASY
4th Tamil Nadu Board
IMPORTANT
Standard 4 Term III Science>Chapter 3 - Air We Breathe>Evaluation>Q 1

Who am I?

I am a mixture of gases.

EASY
4th Tamil Nadu Board
IMPORTANT
Standard 4 Term III Science>Chapter 3 - Air We Breathe>Evaluation>Q 2

Who am I?

I give you oxygen. (It is a three-letter word that starts with the letter 'A')

EASY
4th Tamil Nadu Board
IMPORTANT
Standard 4 Term III Science>Chapter 3 - Air We Breathe>Evaluation>Q 3
The gas used for burning things is Argon.
EASY
4th Tamil Nadu Board
IMPORTANT
Standard 4 Term III Science>Chapter 3 - Air We Breathe>Evaluation>Q 2

What are the components of air? 

MEDIUM
4th Tamil Nadu Board
IMPORTANT
Standard 4 Term III Science>Chapter 3 - Air We Breathe>Evaluation>Q 4

List the uses of oxygen.

MEDIUM
4th Tamil Nadu Board
IMPORTANT
Standard 4 Term III Science>Chapter 3 - Air We Breathe>Evaluation>Q 1

How can we reduce air pollution?

MEDIUM
4th Tamil Nadu Board
IMPORTANT
Standard 4 Term III Science>Chapter 3 - Air We Breathe>Evaluation>Q 3

List out the uses of carbon dioxide.