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WorksheetsLab Safety and Equipment
Total questions: 43
Worksheet time: 2hrs 20mins
Goggles are worn in the laboratory
A. to avoid eye strain.
B. to improve your vision
C. only if you don’t have corrective glasses.
D. 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 you have been injured in a laboratory by a cut or burn, first you should—
Visit the school nurse after class
See a doctor after school
Tell the science teacher at once
Apply first aid to yourself
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
Which of the following may be worn in a laboratory while completing a lab assignment
loose clothing
dangling jewelry
sandals
contact Lenses
horseplay and practical jokes in the laboratory are
always against the rules
okay
not dangerous
okay if you are working alone
When you finish working with chemicals, biological specimens, and other lab substances, always
treat your hands with skin lotion
wipe your hands on your pants
wash your hands thoroughly with soap and water
none of the above
In the classroom you should stack your bags and books in the aisles.
True
False
What is Lindsey doing wrong?
not paying attention
not wearing goggles
long loose hair
all of these
If a laboratory fire erupts, immediately _________.
Run for the fire extinguisher.
Notify your instructor.
Throw water on the fire.
Open the windows.
You are heating a substance in a test tube. Always point the open end of the test tube ________.
Toward yourself.
Toward your lab partner.
Toward another classmate.
Away from all people.
The following footwear is required in the lab ________.
Sandals.
Open-toe shoes.
Closed-toe shoes.
Shoes appropriate for the weather.
True or False:
Return all unused chemicals to their original containers.
True
False
Hot glass looks the same as cold glass.
True
False
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.
Chipped or cracked glassware is okay to use in the laboratory.
True
False
Which glassware is typically used for measuring and transferring small volumes of liquid in a laboratory setting?
Beakers
Erlenmeyer Flask
Graduated Cylinder
Volumetric Flask
What is the primary use of a Test Tube Brush?
To hold test tubes
To clean test tubes
To organize test tubes
To mix chemicals
Which of the following is used to hold multiple test tubes at once?
Test Tube Rack
Test Tube Holder
Test Tube Brush
Test Tube Clamp (Utility Clamp)
Which tool is used to handle hot glassware?
Beaker Tongs
Iron Ring
Crucible Tongs
Clay Triangle
What is the function of an Iron Ring in a laboratory setup?
To measure liquids
To support containers during heating
To ignite burners
To mix chemicals
What is the primary use of safety goggles in a chemistry lab?
To measure temperature
To protect eyes from harmful substances
To transfer liquids
To weigh chemicals
Which piece of equipment is used to transfer solid chemicals in a chemistry lab?
Dropper
Wash Bottle
Scoopula
Thermometer
Which piece of equipment is used to clean lab equipment by rinsing with water?
Safety Goggles
Weigh Boat
Wash Bottle
Spatula
What is the primary function of a Bunsen Burner in a laboratory?
To measure temperature
To heat substances
To mix chemicals
To hold test tubes
Which piece of equipment is used to measure the mass of a substance?
Graduated Cylinder
Balance
Thermometer
Beaker
What is the purpose of a Pipette in a laboratory setting?
To measure temperature
To transfer small volumes of liquid
To hold test tubes
To clean glassware
What is used to measure (but not precise), heat, and mix large amounts of liquids?
beaker
flask
test tube
graduated cylinder
Used to mix different chemicals:
Beaker
Graduated Cylinder
Test Tube
Erlenmeyer Flask
This is a(n)_________.
mortar
pestle
wellplate
evaporating dish
evaporating dish
watch glass
mortar and pestle
funnel
Name this piece of lab equipment.
crucible
pestle
mortar
triangle
Which of the following is a common use for a test tube in a laboratory?
Measuring large volumes of liquid
Holding and heating small amounts of material
Storing solid chemicals
Mixing large quantities of substances
What is the primary use of rubber stoppers?
To heat containers
To close containers to avoid spillage or contamination
To measure liquids
To stir solutions
This is used to safely mix chemicals.
Glass Stirring Rod
Thermometer
Test Tube
Stir thingy
What is the name of this piece of equipment?
beaker
Erlenmeyer Flask
Volumetric Flask
Graduated Cylinder
