Q. What is fire?
Ans. Fire is a chemical reaction that produces heat and light.
Q. Why is fire called a friend?
Ans. Fire helps in cooking, heating and many useful activities.
Q. Why is fire called a foe?
Ans. Fire can cause accidents, injuries and destruction.
Q. What are the three things needed for fire?
Ans. Fuel, oxygen and heat are needed for fire.
Q. What is fuel?
Ans. Any substance that burns and produces heat is called fuel.
Q. Why is oxygen important for fire?
Ans. Fire cannot continue without oxygen.
Q. How can a fire be controlled?
Ans. By removing fuel, oxygen or heat.
Q. What should be done when clothes catch fire?
Ans. Stop, drop and roll on the ground.
Q. Why should water not be used on electrical fires?
Ans. Water conducts electricity and may cause shock.
Q. Which extinguisher is used for electrical fires?
Ans. Carbon dioxide extinguisher is used.
Q. How does carbon dioxide help in controlling fire?
Ans. It cuts off the oxygen supply.
Q. What should be done if there is a fire emergency?
Ans. Call the fire brigade immediately.
Q. What is a fire extinguisher?
Ans. A device used to put out small fires.
Q. Why is fire safety important?
Ans. It protects life and property.
Q. How does sand help in extinguishing fire?
Ans. It blocks oxygen from reaching the fire.
Q. What are inflammable substances?
Ans. Substances that catch fire easily.
Q. Give an example of an inflammable substance.
Ans. Petrol is an inflammable substance.
Q. What precautions should be taken while using gas stoves?
Ans. Check leaks and use safely.
Q. How is fire useful in industries?
Ans. It is used for manufacturing and processing materials.
Q. What lesson does the chapter teach?
Ans. Fire should be used carefully and responsibly.