Page 79 - WoW Class 1 Book 2

Air has many uses.

Air fills up empty spaces. It is used to fill balls, tyres of cars and

bicycles and swimming tubes.

What does it do... ENVIRONMENTAL STUDIES
Windmills were traditionally used to grind grain into flour. Nowadays,
it is used to provide electricity.

Wind and Storm

Moving air is called wind. A slow and
gentle wind is called breeze.

A strong wind can cause a storm.

In a dust storm, a lot of dust moves

with the wind.

A storm can uproot trees and
damage crops.

We should not go out during a storm.
an uprooted tree

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