Q.1. What does a damp blanket do?
(a) It brings down the temperature
(b) It cuts the supply of oxygen
(c) It cuts the supply of fire extinguisher
(d) It cuts the supply of carbon dioxide
Q.2. Fire is a bad master if it is ________.
(a) made by electricity
(b) made by coal
(c) under control
(d) uncontrolled
Q.3. What are the three things used to make a fire? Answer according to the story Fire- Friend and Foe.
Q.4. What has been the idea of fire from time to time?
Q.5. Read the following passage carefully and answer the questions that follow each of them:
Early man didn’t know what fire was, but he must have seen the damage it could cause. He must have watched lightning and volcanoes long before he began to use fire himself. Fire was powerful and dangerous, and he was frightened.
The fire might have puzzled early man, but we today know that fire is the result of a chemical reaction. When the oxygen in the air combines with carbon and hydrogen in fuel, a chemical reaction takes place. The energy in the form of heat and light is released in this process. This is what we call fire.
(i) How did early man notice the damage caused by fire?
(ii) What three things are needed to make fire?
(iii) Which two elements are present in fuel?
(iv) What happens when oxygen combines with carbon and hydrogen in a fuel?
(v) Find the word from the above passage that means the same as to afraid.
Q.6. What should not be sprayed on an electrical fire or an oil fire to put it off?
(a) Water
(b) Carbon dioxide
(c) Blankets
(d) Sand
Q.7. What should be used to put off an electrical fire?
(a) Carbon dioxide extinguisher
(b) Gas
(c) Ice
(d) Water
Q.8. ________ is a material that is burnt to produce heat or power. (Fire: friend and foe)
(a) Fuel
(b) Fluid
(c) Foam
(d) Foul
Q.9. What are the uses of fire?
Q.10. How do the firefighters put out fires?
You can access the solutions to this worksheet here.
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