Lab Safety Review What should you do if
Lab Safety Review
What should you do if a fire erupts? Notify your instructor !
Why do we wear approved eye protection devices (such as goggles) in the laboratory? To protect our eyes anytime chemicals, glassware or heat is used!
What should you do if you do not understand a direction or part of a laboratory procedure? Ask the instructor before proceeding!
After completing an experiment, what should you do with all chemical wastes? Exposed it according to the instructor’s directions!
You have been injured in the laboratory (cut, burned, etc. ). What should your first response be? Tell your instructor at once!
If you have long hair, what should you do prior to working in the lab? Tie it back and out of the way!
What should you absolutely not wear during a lab? Loose clothing, sandals, and dangling jewelry
If a piece of equipment is not working properly, stop, or turn it off and tell? Tell the science instructor!
What should you do when you finish working with chemicals, biological specimens, and other lab substances? Wash your hands thoroughly with soap and water!
Horseplay and practical jokes in a lab are…. • Always against the rules!!! • You will see point deductions!
If an acid is splashed on your skin, wash at once with • Plenty of water!
When heating a substance in a test tube, you should always point the open end of the test tube Away from all people!
What type of foot wear is best in a lab? Closed toed shoes!
If your lab experiment is not completed, you should Discuss the issue with your instructor!
If you wear contact lenses in the lab, you should…. Inform the instructor!
Should you wear lab goggles if you wear glasses? YES! Glasses do not provide the same amount of protection!!!
You want to place a piece of glass tubing into a rubber stopper after the tubing has been fire polished and cooled. This is best done by Lubricating the tubing with water or glycerin. Using a towel or cotton gloves for protection. Twisting the tubing and stopper carefully.
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.
You are heating a piece of glass and now want to pick it up. You should Use tongs!
Flammable materials, like alcohol, should never be dispensed or used near An open flame!
True or False • All chemicals in the lab are to be considered dangerous. T • Return all unused chemicals to their original containers. F • Work areas should be kept clean and tidy. T
True or False • Pipets are used to measure and dispense small amounts of liquids. You should draw the liquid into the pipet using your mouth. • Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present. F F
True or False • Read all procedures thoroughly before entering the laboratory. T • All unauthorized experiments are prohibited. • Laboratory aprons should be worn during all lab activities. T F
True or False • Never leave a lit burner unattended. T • It’s okay to pick up broken glass with your bare hands as long as the glass is placed in the trash. F • Chipped or cracked glassware is okay to use. F
True or False • Hot glass looks the same as cold glass. T • You are allowed to enter the chemical preparation/storage area any time you need to get an item. F • Never remove chemicals or other equipment from the laboratory. T
Draw a diagram of your science room and label the locations of the following: ■ Fire Blanket ■ Fire Extinguisher(s) ■ Exits ■ Eyewash Station ■ Emergency Shower ■ Closest Fire Alarm Station ■ Waste Disposal Container(s)
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