WorksheetsScience Laboratory Safety
Total questions: 21
Worksheet time: 16mins
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 waste should be
Left at your lab station for the next class.
disposed of according to your instructor’s direction
dumped in the sink.
taken home.
If a lab experiment is not completed, you should
discuss the issue with your instructor
sneak in after school and work alone
come in during lunch and finish while eating lunch
make up some results
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 are heating a piece of glass and now want to pick it up. You should
use a rag or paper towels
pick up the end that looks cooler
use tongs
pour cold water on it
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 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
lubricating the tubing with water or glycerin.
using a towel or cotton gloves for protection.
twisting the tubing and stopper carefully.
all of the above
personal eyeglasses provide as much protection as
a face shield
safety glasses
splash proof chemical googles
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.
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
horseplay or practical jokes in the laboratory are
always against the rule
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 scince instructor
if an acid is splashed on your skin, wash at once with
soap
oil
weak base
plenty of 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 clothes
State your name and group
