Lab Safety "Review"

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 an unexpected 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 you start the lab.
• B. you do not have to wear protective goggles.
• C. advise your science instructor 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 instructor 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 and arrange a time to make it up while the instructor is present
• B. sneak in after school and work alone.
• C. come in during lunch and finish 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. Your lab partner has just had a chemical splashed into their face. You should

• A. use a rag or paper towels.
• B. use the fire extinguisher
• C. guide them carefully to the eye wash station
• 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.