Did You Know?
Air can go through some things but not others!
What is Permeability?
Permeability is how easy gas can pass.
Why is it Important?
It helps us have clean air to breathe.
What barrer Does
It shows how gas flows.
It helps make clean air filters.
It is used in contact lenses.
It helps in making safe drinks.
It keeps our air clean.
It helps in many cool things.
More About barrer
Richard Barrer was a smart man. He helped us learn about gas. He was born in New Zealand. He made big steps in science.
We use what he learned every day. It helps us breathe clean air. It is in our drinks and glasses too.
In the future, we will learn more. We will find new ways to use gas. This will help us stay safe and healthy.





