Page 1 - LESSON NOTES
P. 1
USES OF AIR
TO BREATHE TO DRY CLOTHES
TO MAKE FOOD IN
PLANTS
TO FLY KITES AND BLOW BALLOONS IN HOT AIR BALLOONS
Learning Objective: Students will be able to understand the importance of air in
their lives, air pollution and how to keep air clean.
USES OF AIR
What is air and why do we need it?
• Air is a mixture of gases like Oxygen, Nitrogen and Carbon dioxide.
• It is a natural resource and is available abundantly.
• It is important for all living things for their survival just like water.
• It has no colour /smell.
• It sustains life and growth.
• It helps plants in photosynthesis process.
• It helps in combustion process.
