MEDIUM
3rd Tamil Nadu Board
IMPORTANT
Earn 100

Mathi and Mozhi practised various exercises like walking, skipping and running. They counted the number of times they breathed in one minute after each exercise and recorded their results in the bar diagram: 

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Which activity do you think exercises the heart muscle the least? 

Important Questions on Air

EASY
3rd Tamil Nadu Board
IMPORTANT

Mathi and Mozhi practised various exercises like walking, skipping and running. They counted the number of times they breathed in one minute after each exercise and recorded their results in the bar diagram: 

Question Image  

They breathed more number of times when they were walking.

EASY
3rd Tamil Nadu Board
IMPORTANT

Mathi and Mozhi practised various exercises like walking, skipping and running. They counted the number of times they breathed in one minute after each exercise and recorded their results in the bar diagram: 

Question Image  

They breathed less number of times when they were sitting.

EASY
3rd Tamil Nadu Board
IMPORTANT

Mathi and Mozhi practised various exercises like walking, skipping and running. They counted the number of times they breathed in one minute after each exercise and recorded their results in the bar diagram: 

Question Image

They took 50 breaths per minute when they were running. 

EASY
3rd Tamil Nadu Board
IMPORTANT

Mathi and Mozhi practised various exercises like walking, skipping and running. They counted the number of times they breathed in one minute after each exercise and recorded their results in the bar diagram: 

Question Image

The more vigorous (active) the exercise, the greater the number of breaths. 

MEDIUM
3rd Tamil Nadu Board
IMPORTANT

Match the following.

a. Breeze              Strong wind
b. Storm Very strong wind
c. Gale Gentle wind
EASY
3rd Tamil Nadu Board
IMPORTANT

Draw the movement of air for land breeze and sea breeze.

Question Image

EASY
3rd Tamil Nadu Board
IMPORTANT
Gentle air is called _____. 
EASY
3rd Tamil Nadu Board
IMPORTANT
We get electricity from wind using _____.