Lab Safety

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Across
  1. 3. Proper procedures should be followed when using any heating or flame-producing device, especially gas burners. ______ all flammable materials from the area before lighting a match, candle, or Bunsen burner. Never leave a flame unattended.
  2. 4. Do not return unused ________ to the reagent container. Follow the instructor’s directions for the storage or disposal of these materials.
  3. 7. Eating, drinking, chewing gum, applying cosmetics (including lip balm), touching contact lenses, or other _______ activities are not permitted. Food storage is not allowed in the laboratory.
  4. 9. Know the location of and how to operate all safety equipment in the room. This includes _______ stations, deluge shower, fire extinguishers, fume hood, and the safety blanket. Know the location of emergency master electric and gas shutoffs and exits.
  5. 10. Never enter _______ storage or preparation areas.
  6. 11. Never ____ pipettes by mouth suction; use the suction bulbs or pumps.
  7. 12. Keep hands away from the face at all times. Do not put hands or other objects in or ____ your mouth or eyes.
  8. 16. Never ___ or stand on laboratory elevated platforms (e.g., tables, desks, etc.).
  9. 18. Appropriate eye protection (e.g., safety goggles, safety glasses) is to be worn during setup, hands-on activity or investigation, and take down/cleanup, and until hands can be thoroughly ______ with soap and water.
  10. 19. Always read reagent bottle labels _____ before you use the reagent to be certain you are using the correct chemical. Do not use any chemicals stored in unlabeled bottles and inform your teacher if a label is missing from a reagent bottle.
  11. 20. _________chemicals or equipment from the classroom or laboratory is prohibited unless authorized by the instructor.
  12. 21. Replace the ___ on any reagent bottle immediately after use and return the reagent to the designated location. Follow the teacher’s instructions for carrying chemicals.
  13. 23. To prevent potential cross contamination, backpacks and _____ are to remain in an area designated by the instructor and should not be brought into the laboratory area.
  14. 24. Read all lab and safety operating procedures before conducting an activity and follow all verbal and written ___________ during the activity or investigation.
  15. 25. Glassware is to be washed with hot, _____ water and scrubbed with the appropriate type and size of brush, rinsed, dried, and returned to its original location.
Down
  1. 1. To prevent accidental release, discharge, or injury, handle with _______ caution all projectiles, spring-loaded devices, metersticks or similar levers, and other physical hazards, such as bare wires, blades, and other sharps. Eye protection must be worn.
  2. 2. Do not _______ any materials, equipment, etc., for a lab activity until instructed to do so by the teacher.
  3. 5. Do not enter or work in the laboratory unless an _________ is present
  4. 6. Sinks are to be used for the disposal of _____ and those solutions designated by the instructor. Other solutions must be placed in the designated waste disposal container
  5. 8. Dress appropriately for laboratory work by protecting your body with clothing and ______. Long hair should be tied back collars tucked in. Avoid wearing loose or baggy clothing and dangling jewelry. Acrylic nails are a safety hazard near heat sources and should not be used. Sandals or open-toe shoes are not to be worn during any lab activities. Refer to pre-lab instructions. If in doubt, ask!
  6. 10. Work areas should be kept ____ and neat at all times, and cleaned at the end of each laboratory or activity
  7. 13. All _________, chemical spills, broken glassware, and injuries (including minor burns) must be reported immediately to the instructor, no matter how trivial they may seem at the time. Follow your instructor’s directions for immediate treatment.
  8. 14. Certain classrooms or laboratories may have living organisms including plants and _______ in aquaria or other containers. Students should never handle organisms without approval from your instructor. Wash your hands with soap and water after handling organisms.
  9. 15. In the event of a fire drill, lockdown, or other _________ during an investigation or activity, turn off all gas burners and electrical equipment. During an evacuation emergency, exit the room as directed. During a lockdown, move out of the line of sight from doors and windows as directed. Lights should be turned off.
  10. 17. Conduct yourself in a responsible manner at all times. Inappropriate _______ such as throwing things, and doing unauthorized experiments are prohibited.
  11. 21. Never _____ or smell a chemical solution. When checking for odor, waft by sweeping your hand over the container. Avoid inhaling fumes that may be generated during an activity or investigation
  12. 22. Remember that ___ glass looks the same as cold glass. After heating, glass remains hot for a very long time. Determine if an object is hot by placing your hand close to the object without touching it. After using a hot plate or working with hot glass, warn others of a possible burning hazard by placing a sign nearby indicating that it may be hot.