4. Complete the following instructions with the correct words.
WHAT TO DO IN CASE OF EMERGENCY
Fire
• keep calm and 1. area • follow 2. plan • if there is smoke, walk towards 3. and bend 4. • cover 5. and nose with piece of 6. • close doors behind you •7. fire alarm • call 8.
Chemicals
Eyes •9. eyes with 10. • have eyes 11. by doctor
Skin •12. chemicals away with water •13. them off and irrigate 14.
Inhaling • move victim out to fresh 15. • call for 16. if 17. difficult
Swallowing • call for medical assistance
Clothes contamination •18. clothes
5. Listen to some rules to prevent fire in a house and complete the sentences. Sometimes more than one word is needed.
• Most fires occur 1. , when people are asleep. Smoke alarms can warn you and 2. . • You should have a 3. in every room, also in the 4. and the attic. • Pay attention to 5. like cats or rabbits because they often 6. electric wires. • Don’t go out of the 7. while cooking. Using a 8. for cooking is safer. • Use a 9. with an automatic shutdown if it falls over. • Teach children that fire is not a game and establish some 10. .
6. Watch a video about the rules to follow when working in a chemistry lab. Write down the rules you hear.aperta
Soluzione suggerita:Wear safety goggles, a lab coat, and gloves; Shoes with an open toe are forbidden; If your hair is long, tie it up in a ponytail; It is forbidden to take food or drinks into a lab; Do not inhale or swallow chemicals; Check labels on chemicals more than once before mixing them.
7. In your own words, explain why the rules mentioned in the video are important for safety.aperta
Soluzione suggerita:1. Safety goggles are important to protect your eyes from chemicals, a lab coat prevents your clothes from being contaminated and gives you extra protection, gloves protect your hands from dangerous exposure to chemicals; 2. Shoes with an open toe do not protect your feet from chemicals completely; 3. Hair can accidentally come into contact with dangerous chemicals if it is loose; 4. Food or drinks may come into contact with poisonous chemicals and you could swallow them; 5. Inhaling can cause irritation to your throat and lungs and it can be dangerous; swallowing is dangerous because chemicals can do serious harm to your body if you swallow them; 6. You must be sure what chemicals you are working with.