WorksheetsLab Equipment and Safety
Total questions: 53
Worksheet time: 36mins
Which is an image of a beaker?
Which is an image of a erlenmeyer flask?
Which is an image of a graduated cylinder?
Which is an image of a hot plate?
Which is an image of a bunsen burner?
Which is an image of a digital balance?
Which is an image of a chemical scoop?
Which is an image of a glass stirring rod?
Which is an image of a thermometer?
Which is an image of a ring stand?
Which is an image of a iron ring?
Which is an image of a wire gauze?
Which is an image of a test tube clamp?
Which is an image of a test tube?
Which is an image of a beaker tongs?
Which is an image of a weigh boat?
What do we use to measure the volume of a liquid?
beaker
test tube
graduated cylinder
erlenmeyer flask
What do we use to measure the mass of an object?
hot plate
digital balance
bunsen burner
ruler
When measuring volume we want to measure to the bottom of what in a graduated cylinder?
glass
the line
the meniscus
the pipette
What is pictured here?
meniscus
beaker
the bottom of a graduated cylinder
that one thing
When you are using a hot plate or bunsen burner you should assume all things are _
(a)
Select all that apply:
When you are going to use a piece of glassware what should you do?
Check for chips in the rim
Check for cracks in the rim and walls of the piece
Check for cracks in the bottom of the piece
Make sure it won't electrocute you.
Select all that apply:
When you are going to use a hot plate what should you do?
Check top for any cracks.
Check the cord and make sure there are no melted spots, cuts, or exposed wires.
Check for cracks in the bottom of the piece.
Check for damage to the glass bottom.
You should always put _ up when you are going to heat things up.
(a)
Flammable materials, like alcohol, should never be dispensed or used near
an open door.
an open flame.
another student.
a sink.
Select all that apply:
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 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 chemical 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.
toward 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.
Personal eyeglasses provide as much protection as
a face shield.
safety glasses.
splash proof chemical goggles.
none of the options.
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 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 acid is splashed on your skin, 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.
All chemicals in the lab are to be considered dangerous.
True
False
You should return all unused chemicals to their original containers.
True
False
Your work areas should be kept clean and tidy.
True
False
Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet 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
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
