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WorksheetsScience Lab Safety
Total questions: 80
Worksheet time: 53mins
If a piece of equipment is not working properly, stop, turn it off, and tell
your best friend in class.
your lab partner
the teacher.
the principal.
If you do not understand a direction or part of a laboratory procedure, you should
ask the teacher before proceeding.
skip it and go on to the next part.
figure it out as you do the lab.
try several methods until something works.
If a fire erupts, immediately
run for the fire extinguisher
throw water on the fire.
notify the teacher.
open the windows.
When you finish working with chemicals, biological specimens, and other lab substances, always
wipe your hands with a towel.
treat your hands with skin lotion.
wash your hands thoroughly with soap and water.
wipe your hands on your clothes.
It is okay to pick up broken glass with your bare hands as long as the glass is placed in the trash can.
True
False
Horseplay, practical jokes, or pranks in the classroom are
not dangerous.
okay if you are working alone.
always against the rules.
okay.
Before you leave the science room, you should
wash your hands with soap and water.
return all equipmernt to the proper storage area.
clean your work area and equipment.
all of the above.
Do not leave a lit burner unattended.
True
False
The following activity is not permitted in the laboratory:
chewing gum.
eating.
drinking.
all of the above.
Always carry a microscope using both hands.
True
False
Never remove chemicals, specimens, or other equipment from the laboratory.
True
False
Read all procedures thoroughly before performing a laboratory investigation.
True
False
Approved eye protection devices (such as goggles) are worn in the laboratory
only if you do not have corrective glasses.
to avoid eye strain.
to improve vision.
any time chemicals, heat, or glassware are used.
All chemicals in the lab (including foodstuffs and store-bought chemicals) should be treated as if they could be hazardous.
True
False
Long hair in the laboratory must be
held away from the experiment with one hand.
tied back or kept entirely out of the way with a hair band, etc.
cut short
always neatly groomed.
You have been injured in the laboratory (cut, burned, etc.). First you should
visit the school nurse after class.
see a doctor after school.
tell the teacher at once.
apply first aid yourself.
Which of the following should not be worn during a laboratory activity?
sandals
loose clothing
dangling jewelry
all of the above.
When using a razor blade or scalpel, always cut material
in your hand
away from you
toward you
perpendicular.
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 wear 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.
tell your science instructor that you wear contact lenses.
keep that information to yourself.
If you do not understand a direction or part of a lab procedure, you should
skip it and go on to the next part.
ask the instructor before proceeding.
try several methods until something works.
figure it out as you do the lab.
After completing an experiment, all chemical wastes should be
taken home.
dumped in the sink.
disposed of according to your instructor’s directions.
left at your lab station for the next class.
If a lab experiment is not completed, you should
make up some results.
come in during lunch and finish while eating lunch.
sneak in after school and work alone.
discuss the issue with your instructor.
You are heating a substance in a test tube. Always point the open end of the tube
away from all people.
toward another classmate.
toward your lab partner.
toward yourself.
You are heating a piece of glass and now want to pick it up. You should
pour cold water on it.
use tongs.
pick up the end that looks cooler.
use a rag or paper towels.
You have been injured in the laboratory (cut, burn, etc.). First you should
apply first aid yourself.
tell your instructor at once.
see a doctor after school.
visit the school nurse after class.
When gathering glassware and equipment for an experiment, you should
All of the choices
clean any glassware that appears dirty.
examine all glassware to check for chips or cracks.
read all directions carefully to know what equipment is necessary.
Long hair in the laboratory must be
tied back or kept entirely out of the way with a hair band, hairpins, or other confining device.
always neatly groomed.
held away from the experiment with one hand.
cut short.
Which of the following should not be worn in the laboratory?
all of the answers
dangling jewelry
sandals
loose clothing
Which type of footwear is best to wear in the laboratory?
shoes appropriate for the weather
open-toed shoes
closed-toed shoes
sandals
Horseplay or practical jokes in the laboratory are
okay if you are working alone.
not dangerous.
okay.
always against the rules.
If a piece of equipment is not working properly, stop, turn it off, and tell
your instructor.
your best friend in the class.
the custodian.
your lab or table partner.
If an acid is splashed on your skin, wash at once with
weak base.
soap.
plenty of water.
oil.
When you finish working with chemicals, biological specimens, and other lab substances, always
wipe your hands on your clothes.
wipe your hands on a towel.
wash your hands thoroughly with soap and water.
treat your hands with skin lotion.
True or false: Hot glass looks the same as cold glass.
True
False
True or false: Return all unused chemicals to their original containers.
True
False
True or false: All chemicals in the lab are to be considered dangerous.
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: 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 entering the laboratory.
True
False
True or false: All unauthorized experiments are prohibited.
True
False
True or false: Laboratory aprons should be worn during all lab activities.
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
Identify the safety symbol.
Clothing Protection Safety
Disposal Alert
Sharp Object Safety
Thermal Safety
Identify the safety symbol.
Biohazard
Explosion Safety
Radioactive Safety
Thermal Safety
Identify the safety symbol.
Biohazard
Chemical Safety
Poison Safety
Radioactive Safety
Identify the safety symbol.
Chemical Safety
Explosion Safety
Radioactive Safety
Thermal Safety
Identify the safety symbol.
Explosion Safety
Fire Safety
Open Flame Safety
Thermal Safety
Identify the lab equipment.
Beakers
Graduated cylinders
Test tubes
Volumetric flasks
Identify the lab equipment.
Pipettes
Spatulas
Test tubes
Thermometers
Identify the lab equipment.
Beaker
Graduated cylinder
Pipette
Test tube
If someone catches on fire, you should
put them under the safety shower.
spray them with the fire extinguisher.
tell them to stop, drop, and roll.
wrap them in the fire blanket.
We use the acronym PASS to remember how to properly use a fire extinguisher. For what do the letters P-A-S-S stand?
If you get foreign material in your eye during a lab, you should
ask for an e-Hallpass to the nurse.
call 911.
use the eye wash.
use the safety shower.
