1. Learn
  2. Quick Notes
  3. List
  4. Air

Air

9.2

Air
 
  • Air is the basic need for living things. Hence, it is an important element on earth.
 

Air
 
  • We are surrounded by air. Air also present in water and soil. 
 
  • Air consists of gases such as oxygen and carbon dioxide. 
 
  • The importance of air
 
1.  

Living things need oxygen for breathing. 
     
2.  

Plants need carbon dioxide in order to produce their own food
     
 
 

Moving air 
 
  • Air that moves is called wind.
 
  • The wind can give advantage and disadvantage to human's life. 
 
Advantages of wind:- Disadvantages of wind:-
  • Produce energy (Windmill & sail) 
  • Cools the surrounding temperature
  • Turbulence in the sea 
  • Windstorms 
 
 
 
The views expressed in the notes here are those of the contributor and don’t necessarily represent the views of pandai.
Chapter : Earth
Topic : Air
Year 2 Science
Related notes

Report this note
Homework Help

Get your homework done with live tutors’ help

Learn more
Register for a free Pandai account now

Quiz
View video m
View note m
Account