: FRIEND AND FOE

1. To enable the students to understand the

natural phenomenon ---Fire.

2. To enable the students to understand the use of Simple Present Tense.

3. To increase the vocabulary.

4. To impart the students practical knowledge of putting off Fire.

Aims and Objectives

SUMMARY

Fire is both useful and dangerous.

Early man watched lightning and volcanoes.

Fire is the result of a chemical reaction .

Energy In the form of heat and light is released.

THINGS NEEDED TO MAKE THINGS NEEDED TO MAKE FIREFIRE

A- Fuel [wood, coal, cooking gas]B- Oxygen [present in the air]C-Heat [a lighted match stick]

Flash Point- The temperature at which the

fuel begins to burn is called the “FLASH POINT”.

FIRE AS A GOOD FIRE AS A GOOD SERVANTSERVANT

1-Cooking food.

2-Warming our homes.

3-Generating electricity.

FIRE AS A BAD FIRE AS A BAD MASTERMASTER

1-Damages thousands of homes shops.

2-Damages vast areas of forests.

3-Kills hundreds of people.

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.

CONCLUSICONCLUSIONON

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.

DIFFICULT WORDS AND THEIR MEANINGS

SmoulderingSmouldering

GenerateGenerate

SmotheredSmothered

ExtinguishExtinguish

BandsBands

Burning slowly Burning slowly without flamewithout flame

ProduceProduce SuffocatedSuffocated Put outPut out GroupsGroups

MATCH THE COLOUMN

AA BB 1-fuel - lighted match

stick 2-Oxygen - air 3-Heat - coal - burning coal - wood - smouldering

paper

ASSIGNMENT

WORKING WITH THE TEXT

Q1-What do you understand by the ‘flash point’ of a fuel ?

Q2-What are some common uses of fire ?Q3-In what sense is it a “bad master”?Q4-What are the three ways in which a

fire can be controlled ?

COMPREHENSION CHECK

Question 1.Mark the correct answer in each of the followi

Early man was frightened of lightning and volcanoes.the damage caused by them.fire.  Fire is energy.Fire is heat and light.Fire is the result of a chemical reaction.Answer:Early man was frightened of -(c) fire.(c) Fire is the result of a chemical reaction.Question 2. From the boxes given below choose

the one with correct order of the following sentences

.

COMPREHENSION CHECKThat is fire.

A chemical reaction take place.

Energy in the form of heat and light is released.

Oxygen combines with carbon and hydrogen.

(i) (ii) (iii) (iv) (ii) (iii) (i) (iv)

(iv) (iii) (ii) (i) (iv) (ii) (iii) (i)

Answer: The correct order is : (iv) (ii) (iii) (i)

Oxygen combines with carbon and hydrogen.

A chemical reaction take place.

Energy in the form of heat and light is released.

That is fire.

THANK YOU• Presented by- • Harshit Mishra • Kartikey Gour