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Lab Safety

This video provides an overview of lab safety rules, tips for handling hazardous chemicals and equipment, and first aid procedures. Learn how to keep yourself and others safe in the science classroom.

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Lab Safety

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  1. Academy of Math and Science Middle School & High School Science Lab Safety http://www.youtube.com/watch?v=cr7roogzM8c&feature=player_detailpage

  2. Reasons for • Science is a hands-on laboratory class. • You will be doing laboratory activities, which require the use of hazardous chemicals and expensive lab equipment. • Safety in the science classroom is the #1 priority. • A signed lab safety contract and a score of 100% or better on the safety test are required to participate in labs.

  3. General Safety Rules • Follow all instructions given by the teacher. Do not touch anything before the instructions are given. • Wear safety goggles to protect your eyes from chemicals, heated materials, or things that might be able to shatter. • Notify your teacher if any spills or accidents occur.

  4. After handling chemicals, always wash your hands with soap and water. • During lab work, keep your hands away from your face. • Tie back long hair.

  5. No loose clothing or opentoed shoes. • Keep your work area neat and clean. 9. Clean up your lab area at the end of the laboratory period.

  6. Never eat or put anything into your mouth during a lab experiment. • Never “horse around” or play practicaljokes in the laboratory.

  7. Glassware Safety • Report chipped or cracked glassware to the teacher. • Broken glassware is thrown away in a special glass disposal container, not the classroom trashcan. • Always keep glassware at least a hands breadth from the edge.

  8. If a piece of glassware gets broken, do not try to clean it up by yourself. Notify the teacher. • Do not place hot glassware in water. Rapid cooling may make it shatter.

  9. If you get a cut: 1. Tell the Teacher. 2. Cover with a clean paper towel and apply pressure. First Aid for Cuts

  10. Chemical Safety • Wear protective goggles and a lab apron whenever using chemicals. • Never mix chemicals together unless you are told to do so. • Never taste any chemicals. All chemicals, including food, in the lab are considered hazardous. • If you need to smell the odor of a chemical, waft the fumes toward your nose with one hand. Never directly inhale the fumes.

  11. Always pour acid into water. Remember alphabetical order, A to Z. • Follow the instructions of your teacher when disposing of all chemicals. • Wash your hands after handling any chemicals. • Never take any chemicals from the lab or store room.

  12. If someone gets poisoned: Stay calm, and tell the teacher. Identify the chemicals that you were using. If someone spills a chemical on them: Tell the teacher. Flush the area with running water. First Aid

  13. Electrical Safety • Lay electrical cords where no one can trip on them or get caught in them. • Be sure your hands and your lab area are dry before using electrical equipment. • Never poke anything into electrical outlets. • Unplug cords by pulling the plug and not the cord. • Unplug all electrical equipment at the end at the end of the labperiod.

  14. If someone gets an electrical shock: Tell the teacher. Shut off the current at the source. Remove wire with rubber gloves. First Aid

  15. Heating Safety • Let burners and hotplates cool down before touching them. • Use tongs and/or protective gloves to handle hot objects. • Never reach across an open flame or burner. • Always point the top ends of test tubes that are being heated away from people.

  16. Only dry glassware should be heated. • Heat glassware by placing it on a wire gauze platform on a ringstand. Do not hold it in your hand. • Hot plates or glassware do NOT turn red when they are hot! • Never leave a burner or hotplate unattended.

  17. If someone gets burned: Tell the teacher. Immediately flush with cold water until burning sensation is lessened. First Aid

  18. If someone faints: Provide fresh air and have the person recline so that their head is lower than the rest of their body. http://videos.howstuffworks.com/r-fainting-farm/5106-fainting-goats-video.htm First Aid

  19. If someone gets something in their eye: Flush eyes immediately with plenty of water for 15 minutes. If a foreign object is lodged in the eye, do not allow the eye to be rubbed. First Aid

  20. In case of an emergency… • Know the locations of: • fire extinguisher • fire blanket • eyewash station • first aid kit

  21. Remember to… • Stay at your work station • Maintain a clean work area • Read and follow all directions • Report any spills, accidents, or injury to the teacher immediately • Clean and put away all equipment at the end of thelab period • Dispose of waste products according to instruction

  22. Any Questions? REMEMBER: • Carefully read through the entire safety contract and sign. • Have your parents read and sign your safety contract. • Study for the safety quiz later this week!

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