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Flammable materials, like alcohol, should never be dispensed or used near
an open fire
If a laboratory fire erupts, immediately
notify your instructor
Approved eye protection devices (such as goggles) are worn in the laboratory
any time chemicals, heat or glassware are used
If you wear contact lenses in the school laboratory
advise your science instructor that you wear contact lenses
If you do not understand a direction or part of a lab procedure, you should
ask the instructor before proceeding
After completing an experiment, all chemical wastes should be
disposed of according to your instructor’s directions
If a lab experiment is not completed, you should
discuss the issue with your instructor
You are heating a substance in a test tube. Always point the open end of the tube
away from all people
You are heating a piece of glass and now want to pick it up. You should
use tongs
You have been injured in the laboratory (cut, burn, etc.). First you should
tell the science instructor at once
When gathering glassware and equipment for an experiment, you should
all of the above
You want to place a piece of glass tubing into a rubber stopper after the tubing has been fire-polished and cooled. This is best done by
all of the above
Personal eyeglasses provide as much protection as
none of the above
Long hair in the laboratory must be
tied back or kept entirely out of the way with a hair
band, hairpins, or other confining device
In a laboratory, the following should not be worn
all of the above
The following footwear is best in the laboratory
closed-toed shoes
Horseplay or practical jokes in the laboratory are
always against the rules
If a piece of equipment is not working properly, stop, turn it off, and tell
the science instructor
If an acid is splashed on your skin, wash at once with
plenty of water
When you finish working with chemicals, biological specimens, and other lab substances, always
wash your hands thoroughly with soap and water