Lab Safety
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Direction: Choose the best answer for the following questions.
- 1.Flammable materials, like alcohol, should never be dispensed or used near
- A.
An open door
- B.
An open flame
- C.
Another student
- D.
A sink
- 2.If a laboratory fire erupts, immediately
- A.
Notify your instructor
- B.
Run for the fire extinguisher
- C.
Throw water on the fire
- D.
Open the windows
- 3.Approved eye protection devices (such as 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
- 4.If you wear contact lenses in the school laboratory,
- A.
Take them out before starting the lab
- B.
You do no have to wear protective goggles
- C.
Advise your science instructor that you wear contact lenses
- D.
Keep the information to yourself
- 5.If you do not understand a direction or part of a lab procedure, you should
- A.
Figure it out as you do the lab
- B.
Try several methods until something works
- C.
Ask the instructore before proceeding
- D.
Skip it and go on to the next part
- 6.After completing an experiment, all chemical wastes should be
- A.
Left at your lab station for the next class
- B.
Disposed of according to your instructor's directions
- C.
Dumped in the sink
- D.
Taken home
- 7.If a lab experiment is not completed, you should
- A.
Discuss the issue with your instructor
- B.
Sneak in after school and work alone
- C.
Come in during lunch and fnish while eating lunch
- D.
Make up some results
- 8.You are heating a substance in a test tube. Always point the open end of the tube
- A.
Toward yourself
- B.
Toward your lab partner
- C.
Toward another classmate
- D.
Away from all people
- 9.You are heating a piece of glass and now want to pick it up. You should
- A.
Use a rag or paper towels
- B.
Pick up the end that looks cooler
- C.
Use tongs
- D.
Pour cold water on it
- 10.You have been injured in the laboratory (cut, burn, etc.). First you should
- A.
Visit the school nurse after class
- B.
See a doctor after school
- C.
Tell the science instructor at once
- D.
Apply first aid yourself
- 11.When gathering glassware and equipment for an experiment, you should
- A.
Read all directions carefully to know what equipment is necessary
- B.
Examine all glassware to check for chips or cracks
- C.
Clean any glassware that appears dirty
- D.
All the above
- 12.Personal eyeglasses provide as much protection as
- A.
A face shield
- B.
Safety glasses
- C.
Splashproof chemical goggles
- D.
None of the above
- 13.Long hair in the laboratory must be
- A.
Cut short
- B.
Held away from the experiment with one hand
- C.
Always neatly groomed
- D.
Tied back or kept entirely out of the way with a hair band, hairpins, or other confining device
- 14.In a laboratory, the following should not be worn.
- A.
Loose clothing
- B.
Dangling jewelry
- C.
Sandals
- D.
All of the above
- 15.The following footwear is best in the laboratory.
- A.
Sandals
- B.
Open-toed shoes
- C.
Closed-toed shoes
- D.
Shoes appropriate for the weather
- 16.Horseplay or practical jokes in the laboratory are
- A.
Always against the rules
- B.
Okay
- C.
Not dangerous
- D.
Okay if you are working alone
- 17.If a piece of equipment is not working properly, stop, turn it off, and tell
- A.
The custodian
- B.
Your lab partner
- C.
Your best friend in the class
- D.
The science instructor
- 18.If an acid is splashed on your skin, wash at once with
- A.
Soap
- B.
Oil
- C.
A paper towel
- D.
Plenty of water
- 19.When you finish working with chemicals, biological specimens, and other lab substances, always
- A.
Treat your hands with skin lotion
- B.
Wash your hands thoroughly with soap and water
- C.
Wipe your hands on a towel
- D.
Wipe your hands on your clothes
- 20.Hot glass looks the same as cold glass.
- A.
True
- B.
False
- 21.All chemicals in the lab are to be considered dangerous.
- A.
True
- B.
False
- 22.Return all unused chemicals to their original containers.
- A.
True
- B.
False
- 23.Work areas should be kept clean and tidy.
- A.
- 24.Pipets are used to measure and dispense small amounts of liquids. You should draw the liquid into the pipet using your mouth.
- A.
True
- B.
False
- 25.Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present.
- A.
True
- B.
False
- 26.Never remove chemicals or other equipment from the laboratory.
- A.
True
- B.
False
- 27.Chipped or cracked glassware is okay to use.
- A.
True
- B.
False
- 28.Read all procedures thoroughly before entering the laboratory.
- A.
True
- B.
False
- 29.All unauthorized experiments are prohibited.
- A.
True
- B.
False
- 30.You are allowed to enter the chemical preparation/storage area any time you need to get an item.
- A.
True
- B.
False
- 31.Laboratory aprons should be worn during all lab activities.
- A.
True
- B.
False
- 32.It’s okay to pick up broken glass with your bare hands as long as the glass is placed in the trash.
- A.
True
- B.
False
- 33.Never leave a lit burner unattended.
- A.
True
- B.
False
- 34.On your own paper: Draw a diagram of your science room and label the locations of the following: A. Fire BlanketB. Fire Extinguisher(s)C. Exits (all)D. Eyewash StationE. Emergency ShowerF. Google CabinetG. Fume HoodH. Trashcan(s)
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