If a laboratory fire erupts

• Open the window

• Run to the fire extinguisher

• Tell the teacher immediately

• Throw water on the fire

Approved eye protection devices (such as goggles) are

worn in the laboratory

•  to avoid eye strain.

  
  

• to improve your vision.

• only if you don’t have corrective glasses.

• any time chemicals, heat or glassware are used.

If you wear contact lenses in the school laboratory,

• take them out before starting the lab.

• you do not have to wear protective goggles.

• advise your science instructor that you wear

  contact lenses.

• keep the information to yourself.

 If you do not understand a direction or part of a lab

procedure, you should

• figure it out as you do the lab.

• try several methods until something works.

• ask the instructor before proceeding.

• skip it and go on to the next part.

After completing an experiment, all chemical wastes

should be

• left at your lab station for the next class.

• disposed of according to your instructor’s

  directions.

• dumped in the sink.

• taken home.

You have been injured in the laboratory (cut, burn,

etc.). First you should

• visit the school nurse after class.

• see a doctor after school.

• tell the science instructor at once.

• apply first aid yourself.

 Long hair in the laboratory must be

• cut short.

• held away from the experiment with one hand.

• always neatly groomed.

• tied back or kept entirely out of the way with a hair

  band, hairpins, or other confining device.

The following footwear is best in the laboratory.

• sandals

• open-toed shoes

• closed-toed shoes

• shoes appropriate for the weather

17. Horseplay or practical jokes in the laboratory are

• always against the rules.

• okay.

• not dangerous.

• okay if you are working alone.

If a piece of equipment is not working properly, stop,

turn it off, and tell

• the custodian.

• your lab partner.

• your best friend in the class.

• the science instructor.