Font size
WorksheetsLab Safety Quiz
Total questions: 35
Worksheet time: 2hrs 36mins
To extinguish a laboratory fire, you should know
how to operate a fire extinguisher
where extinguishers are
located.
who is responsible for using
the extinguisher.
all of the above
Approved eye protective devices like goggles are used in the laboratory
to avoid eye strain.
to improve your vision.
to wear only if you don’t
have corrective glasses.
to wear at all times for protection when so
instructed by the science teacher.
If a laboratory fire erupts, notify your teacher at once and then
follow the science teacher’s
directions.
run for the fire
extinguisher.
throw water on the fire.
open the windows.
Acid dilutions with few exceptions, should be done by
lab assistants.
students.
science instructors.
school principals.
Flammable materials like alcohol should never be dispensed or used near
an open door.
an open flame.
another student.
a sink.
If you develop a headache in the laboratory, you should
take an aspirin
tell the science instructor.
tell your neighbor.
grin and bear it.
If you wear eye contact lenses in the school laboratory,
take them out before
starting the lab.
you do not have to wear
protective goggles.
advise your science teacher
that you wear contact lenses.
keep the information to
yourself.
Cleaning up the laboratory is the responsibility of
students that will be leaving the
laboratory.
students that are entering the
laboratory.
all students.
the science teacher.
You are aware that you have allergies. You should
always wear gloves in the
laboratory.
discuss the matter with your
science teacher by filling out questionnaire on Lab safety agreement.
let another student handle
the experiment.
say nothing to avoid trouble.
Spilled acid can best be neutralized with
paper towels.
water.
alcohol.
sodium bicarbonate solution (a base).
You are heating a substance in a test tube. Always point the open end of the tube
towards yourself.
towards your lab partner.
towards another classmate.
towards no other person.
You are heating a piece of glass and now want to pick it up. You should
use a rag or paper towels.
use a test tube holder or beaker tongs.
wait until it cools.
pour cold water on it.
You have been injured in the laboratory (cut, burn, etc.). First, you should
ask to see the school nurse.
see a doctor after school.
tell the science teacher at
once.
tell the principal.
A spilled base can be made safe by neutralizing with
diluted acetic acid
solution.
water.
concentrated acid.
alcohol.
Pipets are used to measure and dispense small amounts of liquids. You should draw the liquid into the pipet by using
your mouth.
a rubber suction bulb.
your finger.
your thumb.
You want to place a piece of glass tubing into a rubber stopper after it has been fire polished and cooled. This is best done by
lubricating the tubing with
water or glycerin..
using a towel for
protection.
twisting the tubing and stopper
carefully.
forcing the glass into the stopper
Before you touch an electrical outlet, electrical plug, or electrical switch
ask the school custodian.
your hands must be clean.
your hands must be dry.
ask a fellow student.
Some alcohol has been spilled, what is the best cleanup procedure?
A. let it evaporate.
B. tell the science teacher.
C. clean it up at once.
D. both B. and C.
Eyeglasses provide as much protection as
a face shield.
safety glasses.
splash-proof chemical
goggles.
none of the above.
Paper towels or rags with flammable liquids or solid chemicals on them must be put in
the nearest trash can.
a cardboard box.
a wastepaper basket.
a designated chemical waste
container with a lid.
Long hair in the laboratory must be
cut short.
held away from the
experiment with one hand.
always neatly groomed.
kept entirely out of the way
with a hair band, hairpins, a hairnet, or other confining device.
In a laboratory, you should be cautious of
loose clothing.
dangling jewelry.
flammable clothing.
all of these.
The following footwear is best in the laboratory.
sandals
open toed shoes
closed shoes
shoes appropriate for the
weather
Playing as opposed to working in the laboratory is
always against the rules.
OK.
not dangerous.
OK if you are working at the
same time.
Injuries and accidents may result from spills. Always clean them up
when you have time.
at once.
at the end of class.
during clean up time.
To put out a fire in a person’s hair or clothing, use
a fire blanket.
water from the sink.
a CO2 fire
extinguisher.
anything or any method
possible.
All laboratory floors, aisles, and passageways should be kept clear of
teachers and students.
lab equipment and chemicals and backpacks.
lab equipment only.
chemicals only.
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 teacher.
If an acid is splashed on you or your clothing, wash at once with
soap.
oil.
weak base.
plenty of running water.
When you finish working with chemicals, biological specimens, and other lab substances, always
treat your hands with skin
lotion.
wash your hands thoroughly
with soap and water.
wipe your hands on a towel.
wipe your hands on your lab
apron.
Pipets are used to measure and dispense small amounts of liquids. You should draw the liquid into the pipet by using
your mouth.
a rubber suction bulb.
your finger.
your thumb.
You __________ eat food, drink beverages, or chew gum in the laboratory area. Do not use laboratory glassware as containers for food or beverages.
can
cannot
Never do anything in the laboratory or outside that is not called for in the laboratory procedures or by your instructor. Carefully follow all instructions, both written and oral. Unauthorized experiments are _____________________.
allowed
prohibited
Students are _____________ in the science storage rooms or preparation areas unless given specific permission by their instructor.
allowed
not permitted
Keep hands ___________ face, eyes, mouth and body while using chemicals, preserved specimens, or when working in any body of water, like rivers, lakes, and retention ponds.
toward
away from
