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Lab Safety
| Question | Answer |
|---|---|
| Approved eye protection (such as goggles) are worn in the laboratory | any time chemicals, heat, or glassware are used |
| If you wear contact lenses in the school laboratory, | take them out before starting the lab/tell your teacher |
| If you do not understand a direction or part of a lab procedure, you should | ask the instructor before proceeding |
| After completing an experiment, all chemical wastes should be | disposed of according to you instructor's directions |
| If a lab experiment is not completed, you should | discuss the issue with your instructor |
| You are heating a substance in a test tube. Always point the open end of the tube | away from all people |
| You are heating a piece of glass and now want to pick it up. You should | use tongs |
| You have been injured in the laboratory (cut, burn, etc.). First you should | tell the science instructor at once |
| 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 | 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 |
| 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: | a) lubricating the tubing with water or glycerin b) using a towel or cotton gloves for protection c) twisting the tubing stopper carefully |
| Personal eyeglasses provide as much protection as: a) a face shield b) safety glasses c) splash proof chemical goggles | None of the above |
| Long hair in the laboratory must be | tied back, kept out of the way |
| The following footwear is best in the laboratory | closed-toed shoes |
| In the laboratory, the following should not be worn: | a) loose clothing b) dangling jewelry c) sandals |
| Horseplay or practical jokes in the laboratory are | always against the rules |
| If a piece of equipment is not working properly, stop, turn it off, and tell | the science instructor |
| If an acid is splashed on your skin, wash with | plenty of water |
| When you finish working with chemicals, biological specimens, and other lab substances, always | wash your hands thoroughly with soup and water |
| True or false: Hot glass looks the same as cold glass | true |
| True or false: All chemicals in the lab are to be considered dangerous | true |
| True or false: Return all unused chemicals to their original containers | false |
| True or false: Work areas should be kept clean and tidy | true |
| 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 | false |
| True or false: Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present | false |
| True or false: Never remove chemicals or other lab equipment from the laboratory. | true |
| True or false: Chipped or cracked glassware is okay to use | false |
| True or false: Read all procedures thoroughly before entering the laboratory | true |
| True or false: All unauthorized experiments are prohibited | true |
| True or false: You are allowed to enter the chemical preparation/storage area any time you need to get an item | false |
| True or false: Laboratory aprons should be worn during all lab activities | true |
| True or false: It's okay to pick up broken glass with your bare hands as long as the glass is placed in the trash | false |
| True or false: Never leave a lit burner unattended | true |
Created by:
zedoc43