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Worksheets21-22 Lab Safety Assessment
Total questions: 25
Worksheet time: 20mins
Flammable materials, like alcohol, should never be dispensed or used near
an open door
an open flame
another student
a sink
If a laboratory fire erupts, immediately
notify your instructor.
run for the fire extinguisher.
throw water on the fire.
open the windows.
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 are heating a substance in a test tube. Always point the open end of the tube
toward yourself.
toward your lab partner.
toward another classmate.
away from all people
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.
When gathering glassware and equipment for an experiment, you should
read all directions carefully to know what equipment is necessary.
examine all glassware to check for chips or cracks.
clean any glassware that appears dirty.
All of the above.
Personal eyeglasses provide as much protection as
a face shield
safety glasses
splash proof chemical goggles
none of the above
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.
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.
In a laboratory, the following should not be worn.
loose clothing.
dangling jewelry.
sandals.
all of the above.
The following footwear is best in the laboratory.
sandals
open-toed shoes
closed-toed shoes
shoes appropriate for the weather
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
Hot glass looks the same as cold glass
True
False
All chemicals in the lab are to be considered dangerous.
True
False
Return all unused chemicals to their original containers.
True
False
Work areas should be kept clean and tidy.
True
False
Pipets are used to measure and dispense small amounts of liquids. You should draw the liquid into the pipet using your mouth.
True
False
Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present.
True
False
Chipped or cracked glassware is okay to use.
True
False
Never leave a lit burner unattended.
True
False
Laboratory aprons should be worn during all lab activities.
True
False
All unauthorized experiments are prohibited.
True
False
