Safety in Laboratory

A Match the icons with the type of hazard

1 chemical

2 radioactive

3 fire

4 electrical

5 animal

6 bio

7 sharp instrument

8 glassware

9 eye and face

10 heat

11 explosive

12 laser radiation




B Some rules. Read the rules below and write a number according to the type of safety measure.

1 General and personal safety

2 Electrical safety

3 Chemical safety

4 Laser safety

Treat every chemical as if it were hazardous. ____

If leaving a lab unattended, turn off all ignition sources and lock the doors. ____

NEVER, EVER LOOK INTO ANY LASER BEAM, no matter how low power or "eye safe" you may think it is.
____

Avoid using extension cords whenever possible.  ____

Never eat, drink, or smoke while working in the laboratory. ____

Clothing: When handling dangerous substances, wear gloves, laboratory coats, and safety shield or
glasses. Shorts and sandals should not be worn in the lab at any time.  ____

Never allow a solvent to come in contact with your skin. Always use gloves. ____

Never return chemicals to reagent bottles. ____

Wash hands before leaving the lab and before eating. ___

Never pipette anything by mouth. ____





C Protective equipment

1 shield

2 respirator

3 gown/coat

4 goggles /glasses

5 apron

6 gloves

7 (face) mask



D Grammar point

1 Conditional (I would)

2 Conditional clauses I (real)

A If I _________ (study), I ___________ (pass) the exam.

B If the sun _________ (shine), we ____________ (walk) to the town.

C If you ___________ (push) this button, the analyser __________ (stop).

D If she ___________ (not wear) the coat, she ___________ (be able) to enter the lab.


3 Conditional clauses II (imaginary)

A If you ___________ (come) earlier, I _____________ (prepare) dinner.

B If Susan ___________ (study) harder, she ___________ (be) better at school.

C If we __________ (hurry), we ____________ (spoil) the experiment.

D If you __________ (turn off) the fire, the lab _____________ (explode).