Air – Basic 1 Basic Science Lesson Note (Second Term)

Topic: Existence of Air and Creation of Air

What is Air?

Air is all around us, but we cannot see it. We breathe air to stay alive. Air has no color, no smell, and no taste when it is clean.

How Do We Know Air Exists?

We Can Feel Air:

• When the wind blows on our face

• When a fan is blowing

• When we wave our hands fast
• When we blow air from our mouth

We Can See Air Moving Things:

• Leaves dancing on trees

• Clothes drying on the line

• Flags moving in the breeze

• Papers flying around

Air Makes Sounds:

• Wind blowing through trees

• Air coming out of balloons

• Whistles and flutes work with air
• We can make sounds by blowing air

Why Do We Need Air?

Our Body Needs Air:

• To breathe in and out
• To stay alive and healthy
• To talk and make sounds
• To smell flowers and food

Other Living Things Need Air:

• Animals breathe air like we do
• Plants need air to grow well
• Fish get air from water
• Birds fly in the air

Creation of Air

Where Does Clean Air Come From?

Trees and Plants Make Air:

• Green leaves make fresh air for us
• Big trees give us lots of clean air
• Plants take in bad air and give us good air
• This is why we need many trees around us

God Created Air:

• Air was made for all living things
• The sky holds our air
• Air moves around the whole world
• We must take care of the air God gave us

How Air Gets Dirty

Things That Make Air Bad:

• Smoke from cars and trucks

• Dirty smoke from burning things

• Dust flying around

• Bad smells from garbage

How We Can Keep Air Clean:

• Plant more trees and flowers
• Don’t burn plastic or rubber
• Keep our environment clean
• Use fans instead of making fire

Class Exercise

1. Can we see air? How do we know it is there?
2. What do trees do to help our air?
3. Name two ways we can feel air.
4. Complete: We _____ air to stay alive.