Flammable materials, like alcohol, should never be dispensed or used near... -
ANSWER An open flame
If a laboratory fire erupts, immediately... - ANSWER Notify your instructor
Approved eye protection devices (such as goggles) are worn in the laboratory... -
ANSWER Any time chemicals, heat or glassware are used
If you wear contact lenses in the school laboratory - ANSWER Advise your science
instructor that you wear contact lenses
If you do not understand a direction or part of a lab procedure, you should... -
ANSWER Ask the instructor before proceeding
After completing an experiment, all chemical wastes should be... - ANSWER
Disposed of according to your instructor's directions
If a lab experiment is not completed, you should... - ANSWER Discuss the issue with
your instructor
You are heating a substance in a test tube. Always point the open end of the tube -
ANSWER Away from all people
You are heating a piece of glass and now want to pick it up. You should... -
ANSWER Use tongs
You have been injured in the laboratory (cut, burn, etc.) First you should... -
ANSWER Tell the science instructor at once
When gathering glassware and equipment for an experiment, you should... -
ANSWER Real all directions carefully to know what equipment is necessary,
examine all glassware to check for chips or cracks, clean any glassware that
appears dirty
You want to place a piece of glass tubing into a rubber stopper after the tubing has
been fire polished and cooled. This is done by... - ANSWER Lubricating the tubing
with water or glycerin, using a towel or cotton gloves for protection, twisting the
tubing and stopper carefully
Personal eyeglasses provide as much protection as... - ANSWER None of the above
Long hair in the laboratory must be... - ANSWER Tied back or kept entirely out of the
way with a hair band, hairpins, or the other confining device