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WorksheetsPVUSD Science Safety Test
Total questions: 35
Worksheet time: 18mins
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, 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 chemiscal 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.
toawrde 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 above.
You want to place a piece of glass tubing into a rubber stopper after the tubing has been fired polished and cooled. This is best done by...
lubricating the tubing with water or glycerin.
using a towel or cotton gloves fro protection.
twisting the tubing and stopper carefully.
All of the above.
Personal eyeglasses provide as much protection as...
a face shield.
safety glasses.
splashproof chemical goggles.
None of the above.
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 the 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 skn, 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
Where is the Fire Extinguisher located in your classroom?
By the door
On the Ceiling
In a locked cabinet
Under the desks
Hot glass looks the same as cold glass.
True
False
All chemicals in the lab are to be considered dangerous.
True
False
Return all unused chemicals to their original containers.
True
False
Work areas should be kept clean and tidy.
True
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
Laboratory work can be started immediately upon entering the laboratory even if the instructor is not present.
True
False
Never remove chemicals or other equipment from the laboratory.
True
False
Chipped or cracked glassware is okay to use.
True
False
Read all procedures thoroughly before entering the laboratory.
True
False
All unauthorized experiments are prohibited.
True
False
You are allowed to enter the chemical preparation/storage area any time you need to get an item.
True
False
Laboratory aprons should be worn during all lab activities.
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
Never leave a lit burner unattended.
True
False
