Fire Safety and Emergency Response

Try these questions

5 questions from this lesson’s quiz. Start the lesson to answer them and see the right answers.

1. 1. Which three components must be present together for a fire to start and keep burning (the fire triangle)?

   • A. Fuel, oxygen and heat
   • B. Fuel, water and heat
   • C. Oxygen, carbon dioxide and sand
   • D. Heat, smoke and fuel

2. 2. A computer power pack in the school laboratory catches fire while still connected to the electricity. Which extinguisher is the safest to use?

   • A. Water extinguisher
   • B. Carbon dioxide (CO_2) extinguisher
   • C. Bucket of salty water
   • D. Wet foam extinguisher

3. 3. Which list shows the correct order of the PASS steps for using a fire extinguisher?

   • A. Squeeze the lever, Pull the pin, Aim low, Sweep side to side
   • B. Pull the pin, Aim at the base, Squeeze the lever, Sweep side to side
   • C. Aim at the base, Pull the pin, Sweep side to side, Squeeze the lever
   • D. Pull the pin, Squeeze the lever, Aim at the base, Sweep side to side

4. 4. What word describes putting out a fire by completely cutting off its supply of oxygen, for example with a fire blanket or sand?

   Type your answer in the lesson.

5. 5. A small piece of magnesium is burning on a laboratory bench. Which of these is the safest way to put it out?

   • A. Pour water over it
   • B. Spray it with a CO_2 extinguisher
   • C. Cover it with dry, clean sand
   • D. Blow on it to cool it

More in Laboratory Safety

• ▸Causes of Common Laboratory Accidents
• ▸First Aid Measures Laboratory Burns and Scalds
• ▸First Aid Measures Cuts and Glassware Injuries
• ▸First Aid Ingestion and Inhalation
• ▸Safe Handling and Operation of the Bunsen Burner
• ▸Safe Handling and Care of Laboratory Glassware and Measuring Apparatus
• ▸Safe Handling and Care of Optical Instruments The Microscope
• ▸Electrical Safety and Safe Circuit Assembly

See every Grade 7 Integrated Science lesson →