Presentation by

V K DwivediTGT English

JNV RAIPUR(CG)

V K DWIVEDI TGT (ENGLISH) JNV RAIPUR CG

Fire :Friend

And FoeV K DWIVEDI TGT (ENGLISH) JNV

RAIPUR CG

We all are familiar with fire. We use it in different ways. Fire may be dangerous. Let’s find out how fire is our friend and foe.

Before we proceed

V K DWIVEDI TGT (ENGLISH) JNV RAIPUR CG

WHAT IS FIRE?

V K DWIVEDI TGT (ENGLISH) JNV RAIPUR CG

THINGS NEEDED TO MAKE FIRE

We need three things to make fire-

1- Fuel [wood, coal, cooking gas] 2- Oxygen [present in the air] 3-Heat [a lighted match stick]

V K DWIVEDI TGT (ENGLISH) JNV RAIPUR CG

Flash PointThe temperature at which a

fuel begins to burn is called

the “flash point” or kindling

temperature.

V K DWIVEDI TGT (ENGLISH) JNV RAIPUR CG

FIRE AS A FRIENDFire is our friend because we

use fire to cook our food, keep ourselves warm in winter and save our life from the wild animals.

V K DWIVEDI TGT (ENGLISH) JNV RAIPUR CG

FIRE AS A FOE

Fire is our enemy because it1-Damages thousands of homes and shops.2-Damages vast areas of forests.3-Kills hundreds of people.

V K DWIVEDI TGT (ENGLISH) JNV RAIPUR CG

Main Ways to Put Out Main Ways to Put Out FireFire

1-Take away the fuel.

2-Remove the heat.

3-Prevent oxygen from reaching the fuel.

V K DWIVEDI TGT (ENGLISH) JNV RAIPUR CG

FIREFIGHTERSThey are highly trained person. They They are highly trained person. They

possess many skills. They perfectly know possess many skills. They perfectly know the ways to prevent fire. They also help the ways to prevent fire. They also help people suffering from burns or from the people suffering from burns or from the effects of smoke.effects of smoke.

V K DWIVEDI TGT (ENGLISH) JNV RAIPUR CG

ConclusionConclusion

* The discovery of fire and its uses helped early man to adopt settled life.

* Fire is worshipped in many parts of the world.

* Fire is indeed a friend.

* It can be dangerous once it gets out of control.

V K DWIVEDI TGT (ENGLISH) JNV RAIPUR CG