CBSE Class 7 English Honeycomb Fire A Friend A Foe Notes

CBSE Class 7 English Honeycomb-Fire A Friend, A Foe. Learning the important concepts is very important for every student to get better marks in examinations. The concepts should be clear which will help in faster learning. The attached concepts made as per NCERT and CBSE pattern will help the student to understand the chapter and score better marks in the examinations.

CHAPTER-8

FIRE: A FRIEND, A FOE

Working with the Text Answer the following questions.

1. What do you understand by the ‘flash point’ of a fuel?

Answer- The particular temperature at which the fuel begins to burn is called the 'flash point' of a fuel.

2. (i) What are some common uses of fire?

(ii) In what sense is it a “bad master”?

Answer - (i) The common uses of fire are to cook food, warm our homes in winter, to generate electricity and many more.

(ii) Fire is “bad master” when it gets out of control. It can be dangerous and burn our houses, shops, vast forest areas and many more.

4. What are the three main ways in which a fire can be controlled or put out?

Answer- The three main ways in which a fire can be controlled or put out are :

(i) By taking away the fuel. If the fire has no fuel to feed on, no burning can take place.

(ii) By preventing oxygen from reaching it

(iii) By bringing back the temperature below 'flash point' of the the fuel

6. Why does a burning candle go out when you blow on it?

Answer- When we blow on candle, the hot air around the candle gets removed and it brings down the temperature of candle below the flash point. Thus, a candle goes out because no fuel can burn below its flash point. Working with Language

4. Use the words given in the box to fill in the blanks in the sentences below. across along past through

(i) The cat chased the mouse ........................... the lawn.

(ii) We were not allowed to cross the frontier. So we drove .................it as far as we could and came back happy.

(iii) The horse went ................... the winning post and had to be stopped with difficulty.

(iv) It is not difficult to see ....................your plan. Anyone can see your motive.

(v) Go ...................... the yellow line, then turn left. You will reach the post office in five minutes.

Answer (i) The cat chased the mouse across the lawn.

(ii) We were not allowed to cross the frontier. So we drove along it as far we could an came back happy.

(iii) The horse went past the winning post and had to be stopped with difficulty.

(iv) It is not difficult to see through your plan. Any one can see your motive.

(v) Go along the yellow line, then turn left. You will reach the post office in five minutes

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