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WorksheetsTest Review 1 (Lab Safety)
Total questions: 20
Worksheet time: 11mins
Flammable materials, like alcohol, should never be
dispensed or used near
An open flame
Another student
A sink
A open door
In a laboratory, the following should not be worn.
Sandals
Dangling Jewelry
Loose Clothing
All of the above
Personal eyeglasses provide as much protection as
safety glasses
Splash-proof chemical goggles
a face-shield
none of the above
If you do not understand a direction or part of a lab procedure, you should
Skip it and go on to the next part
Try several methods until something works
Figure it out as you do the lab
Ask the instructor before proceeding
You are heating a substance in a test tube. Always
point the open end of the tube
Toward another classmate
Toward yourself
Away from all people
Toward your lab partner
If you wear contact lenses in the school laboratory,
keep the information to yourself.
take them out before starting the lab.
you do not have to wear protective goggles
advise your science instructor that you wear
contact lenses.
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
twisting the tubing and stopper carefully.
using a towel or cotton gloves for protection.
lubricating the tubing with water or glycerin.
all of the above.
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.
If a piece of equipment is not working properly, stop,
turn it off, and tell
the custodian
the science instructor.
your best friend in the class
your lab partner
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.
held away from the experiment with one hand
cut short
always neatly groomed
When gathering glassware and equipment for an
experiment, you should
clean any glassware that appears dirty.
read all directions carefully to know what
equipment is necessary.
examine all glassware to check for chips or cracks
all of the above
You have been injured in the laboratory (cut, burn,
etc.). First you should
tell the science instructor at once.
apply first aid yourself.
visit the school nurse after class.
see a doctor after school.
Approved eye protection devices (such as goggles) are
worn in the laboratory
any time chemicals, heat or glassware are used
only if you don’t have corrective glasses.
to avoid eye strain.
to improve your vision
If a lab experiment is not completed, you should
come in during lunch and finish while eating lunch.
discuss the issue with your instructor.
make up some results.
sneak in after school and work alone.
You are heating a piece of glass and now want to pick
it up. You should
pick up the end that looks cooler
pour cold water on it
use a rag or paper towels
use tongs
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
Hot glass looks the same as cold glass.
true
false
You are allowed to enter the chemical
preparation/storage area any time you need to
get an item.
true
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
