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WorksheetsPUHSD MS Sci Safety Quiz
Total questions: 24
Worksheet time: 12mins
Never leave a lit burner unattended
True
False
It's okay to pick up broken glass work your bare hands as long as the glass is placed in the trash.
True
False
Laboratory aprons should be worn as required.
True
False
During an experiment with plant materials, you should NOT do which of the following:
keep the different plant materials separate from one another.
touch your eyes after handling the material.
wash any skin that comes into contact with the plant materials.
wear gloves when handling the plant materials.
When working with preserved specimens, you should:
always cut away from yourself.
always wear gloves.
dispose of all materials as directed by your teacher.
not cut the specimen while holding it in your hand.
all of these
You are allowed to enter the chemical preparation/storage area any time you need to get an item.
True
False
When you finish working with chemical, biological specimens and other lab substances, always:
treat your hands with skin lotion.
wipe your hands on a towel.
wash your hands thoroughly with soap and water.
wipe your hands on your clothes.
The method for safely determining the odor of a chemical is called:
decanting.
inhaling.
wafting.
stirring.
All unauthorized experiments are prohibited.
True
False
In case of emergency, you should:
not panic.
put out all flames appropriately.
turn off and unplug all equipment.
follow your instructor's directions.
all of these
If any chemical is splashed on your skin, wash at once with:
oil.
weak acid.
weak base.
plenty of water.
Read all procedures thoroughly prior to the lab activity.
True
False
If a piece of equipment is not working properly, stop, turn it off, and tell:
the custodian.
your best friend in the class.
your science instructor.
your lab partner.
After completing an experiment, all chemical waste should be:
left at your lab station for the next class.
dumped in the sink.
disposed of according to your instructor's directions.
taken home.
Chipped or cracked glassware is okay to use.
True
False
Never remove chemicals or other equipment from the laboratory.
True
False
If you do not understand a direction or part of a lab procedure, you should:
ask the instructor before proceeding.
figure it out as you do the lab.
skip it and go on to the next part.
try several methods until something works.
Horseplay or practical jokes in the laboratory is:
not dangerous.
always against the rules.
okay.
okay if you are working alone.
Personal eyeglasses provide as much protection as:
a face shield.
safety glasses.
splash-proof or chemical goggles.
none of these options
The following footwear is best in the laboratory:
open-toed shoes.
closed-toed shoes.
sandals.
shoes appropriate for the weather.
You want to place a piece of glass tubing into a rubber stopper. This is best done by:
lubricating the tubing with water or glycerin.
twisting the tubing and stopper carefully.
using a towel or cotton glove for protection.
all of these
If you wear contact lenses in the school laboratory:
you will always be allowed to wear them.
you do not have to wear protective goggles.
tell your instructor that you wear contact lenses.
keep the information to yourself.
Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present.
True
False
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.
cut short.
held away from the experiment with one hand.
