Question

( Answer the following questions in two to three sentences each. )
( 1. What do you understand by the ‘flash point’of a fuel? )
( 2. What are some common uses of fire? )
( 3. What are the three main ways in which a fire can be controlled or put out ? )
( 4. Why does a burning candle go out when you blow on it ?)
( 5. How is fire a good servant ?)
( 6. How have we learnt to control fire ? )​​

Answer 1

Answer:

2. Fire mostly used in cooking food and also in winter season

3. Fire control by fire extinguisher. Water also use to control fire but not in electric.

Answer 2

Answer:

Ans1) A flash point is temperature at which any fuel begins to burn.

Ans2) 1.cooking food

2.modifying wood for tools

3. grease rendering (etc) .

Ans3) 1. take away the fuel .

2.prevent oxygen for reaching it

3.by using fire extinguisher

Ans4) because the air you blow towards it moves faster than the speed of the flame front.

Ans5) Fire is a good servant since when we kept under control fire helps in many things such as to cook our food.

Ans6) earlier evidence of control of fire by Homo range.