WorksheetsLab Safety
Total questions: 41
Worksheet time: 25mins
If a laboratory fire erupts, immediately _________.
Run for the fire extinguisher.
Notify your instructor.
Throw water on the fire.
If a lab experiment is not completed you should _______.
Discuss the issue with your teacher.
Sneak in after school and work alone.
Come in during lunch and finish.
You are heating a substance in a test tube. Always point the open end of the test tube ________.
Toward yourself.
Toward your lab partner.
Away from all people.
You are heating a piece of glass/metal and now want to pick it up. You should ________.
Pick up the end that looks cooler.
Use tongs.
Pour cold water on it.
Personal eyeglasses provide as much protection as ________.
Safety goggles/glasses.
Splash proof chemical goggles.
None of these.
The following footwear is required in the lab ________.
Sandals.
Open-toe shoes.
Closed-toe shoes.
True or False:
Return all unused chemicals to their original containers.
True
False
True or False:
Chipped or cracked glassware is ok to use.
True
False
You are required to wear goggles when ________.
chemicals are used.
heated glass is used.
working with fire.
chemicals, heated glass, or fire are being used.
(True or False) Horse playing is allowed in the laboratory
true
false
( Fill in the blank) Long hair should be ____________ in the laboratory.
tied back
cut
down
(True or False) 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
True or False: Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present.
True
False
When is it OK to eat or drink at the lab tables?
Always
Only during group work, not during labs
Never
If you do not understand a direction or part of a laboratory procedure, you should
figure it out as you do the lab
ask the teacher before proceeding
skip it and go on to the next part
If a piece of equipment is not working properly, stop, turn it off, and tell
your lab partner
your best friend in the class
the teacher
The following activity is permitted in the laboratory
chewing gum
eating
drinking
none of the above
Before you leave the science room, you should
clean your work area and equipment
return all equipment to the proper storage area
wash your hands with soap and water
all of the above
Never remove chemicals, specimens, or other equipment from the laboratory.
True
False
You are allowed to enter the chemical preparations/storage area any time you need to get an item.
True
False
Which item is NOT considered a piece of safety equipment?
Helment
Fire Extinguisher
Eye-wash Station
What is this piece of lab equipment called?
Beaker
Graduated cylinder
Test tube
Reaching over a Bunsen burner flame is allowed as long as your are careful.
True
False
The best way to determine if a substance is boiling is by leaning over it and looking closely.
True
False
All chemicals in the lab are to be considered dangerous, and should be handled very carefully.
True
False
A violation of the safety contract that results in unsafe conduct in the lab may result in removal from the lab and receiving a failing grade for that lab.
True
False
when working with your lab group, you should do all of the following except...
work as a team
go sit with another lab group
pay attention to your surroundings
What is used to measure (but not precise), heat, and mix large amounts of liquids?
beaker
flask
graduated cylinder
Which equipment heats objects with an open flame?
hot plate
thermometer
bunsen burner
Used to hold small amounts of liquids and solids
beaker
graduated cylinder
test tube
Used to transfer small amounts of solids
pipette
scoopula
pestle
Used to transfer small amount of liquid
graduated cylinder
scoopula
pipette
