WorksheetsLab Safety
Total questions: 31
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/liquids, 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.
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 the answers listed.
Personal eyeglasses provide as much protection as
a face shield.
safety glasses.
splashproof chemical goggles.
none of the answers listed.
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 rules.
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 science 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.
True or False: Hot glass looks the same as cold glass.
True
False
True or False: All chemicals in the lab are to be considered dangerous.
True
False
True or False: Return all unused chemicals to their original containers.
True
False
True or False: Work areas should be kept clean and tidy.
True
False
True or 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
True or False: Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present.
True
False
True or False: Never remove chemicals or other equipment from the laboratory.
True
False
True or False: Chipped or cracked glassware is okay to use.
True
False
True or False: Read all procedures thoroughly before completing the lab assignment.
True
False
True or False: You are allowed to enter the chemical preparation/storage area any time you need to get an item.
True
False
True or False: It’s okay to pick up broken glass with your bare hands as long as the glass is placed in the trash.
True
False
True or False: Never leave a lit burner unattended.
True
False
