Flammable materials, like alcohol, should never be
dispensed or used near?
answer
an open flame
question
If a laboratory fire erupts, immediately?
answer
notify your instructor.
question
When are eye protection devices (such as goggles) worn in the laboratory?
answer
any time chemicals, heat or glassware are used.
question
If you wear contact lenses in the school laboratory?
answer
A. take them out before starting the lab.
B. you do not have to wear protective goggles.
C. advise your science instructor that you wear
contact lenses.
D. keep the information to yourself.
(it is best if you can where eye glasses instead of contacts)
question
If you do not understand a direction or part of a lab
procedure, you should?
answer
A. figure it out as you do the lab.
B. try several methods until something works.
C. ask the instructor before proceeding.
D. skip it and go on to the next part.
question
After completing an experiment, all chemical wastes
should be?
answer
A. left at your lab station for the next class.
B. disposed of according to your instructor's directions.
C. dumped in the sink.
D. taken home.
question
If a lab experiment is not completed, you should?
answer
A. discuss the issue with your instructor.
B. sneak in after school and work alone.
C. come in during lunch and finish while eating lunch.
D. make up some results.
question
You are heating a substance in a test tube. Always point the open end of the tube?
answer
A. toward yourself.
B. toward your lab partner.
C. toward another classmate.
D. away from all people.
question
You are heating a piece of glass and now want to pick it up. You should?
answer
A. use a rag or paper towels.
B. pick up the end that looks cooler.
C. use tongs.
D. pour cold water on it.
question
You have been injured in the laboratory (cut, burn,
etc.). First you should?
answer
A. visit the school nurse after class.
B. see a doctor after school.
C. tell the science instructor at once.
D. apply first aid yourself.
question
When gathering glassware and equipment for an
experiment, you should?
answer
A. read all directions carefully to know what
equipment is necessary.
B. examine all glassware to check for chips or cracks.
C. clean any glassware that appears dirty.
D. All of the above.
question
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?
answer
A. lubricating the tubing with water or glycerin.
B. using a towel or cotton gloves for protection.
C. twisting the tubing and stopper carefully.
D. all of the above.
question
Personal eyeglasses provide as much protection as
answer
A. a face shield.
B. safety glasses.
C. splash-proof chemical goggles.
D. none of the above.
question
Long hair in the laboratory must be?
answer
A. cut short.
B. held away from the experiment with one hand.
C. always neatly groomed.
D. tied back or kept entirely out of the way with a
hair band, hairpins, or other confining device.
question
In a laboratory, the following should not be worn?
answer
A. loose clothing.
B. dangling jewelry.
C. sandals.
D. all of the above
question
The following footwear is best in the laboratory?
answer
A. sandals
B. open-toed shoes
C. closed-toed shoes
D. shoes appropriate for the weather
question
Horseplay or practical jokes in the laboratory are?
answer
A. always against the rules.
B. okay.
C. not dangerous.
D. okay if you are working alone.
question
If a piece of equipment is not working properly, stop,
turn it off, and tell?
answer
A. the custodian.
B. your lab partner.
C. your best friend in the class.
D. the science instructor.
question
If an acid is splashed on your skin, wash at once with?
answer
A. soap.
B. oil.
C. weak base.
D. plenty of water.
question
When you finish working with chemicals, biological
specimens, and other lab substances, always?
answer
A. treat your hands with skin lotion.
B. wash your hands thoroughly with soap and
water.
C. wipe your hands on a towel.
D. wipe your hands on your clothes.
question
Draw a diagram of your science room and label the
locations of the following:
answer
Fire Blanket
Fire Extinguisher(s)
Exits
Eyewash Station
Emergency Shower
Closest Fire Alarm Station
Waste Disposal Container(s)
question
Hot glass looks the same as cold glass.
answer
TRUE
question
All chemicals in the lab are to be considered
dangerous.
answer
TRUE
question
Return all unused chemicals to their original
containers.
answer
FALSE
question
Work areas should be kept clean and tidy.
answer
TRUE
question
Pipets are used to measure and dispense small
amounts of liquids. You should draw the liquid
into the pipet using your mouth.
answer
FALSE
question
Laboratory work can be started immediately
upon entering the laboratory even if the
instructor is not yet present.
answer
FALSE
question
Never remove chemicals or other equipment
from the laboratory.
answer
TRUE
question
Chipped or cracked glassware is okay to use.
answer
FALSE
question
Read all procedures thoroughly before entering
the laboratory.
answer
TRUE
question
All unauthorized experiments are prohibited.
answer
TRUE
question
You are allowed to enter the chemical
preparation/storage area any time you need to
get an item.
answer
FALSE
question
Laboratory aprons should be worn during all
lab activities.
answer
TRUE, when available for use
question
It's okay to pick up broken glass with your bare
hands as long as the glass is placed in the trash.
answer
FALSE
question
Never leave a lit burner unattended.
answer
TRUE
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