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Intro to lab safety
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Transcript

  • 1. Mr. Nettles Biology I: Review and Lab Procedures
  • 2. Warm-Up
    • Define Osmosis .
    • How does it differ from diffusion?
    • If a cell is 20% salt solution, and it’s placed in a glass beaker with 50% salt solution, what would happen to the cell?
  • 3. Agenda – Mon., Sept. 19, 2011
    • Warm-Up
    • Review Test/Make-Up
    • Lab Safety Procedures
    • Wrap-Up
    • Worksheet on Lab Safety/Finish Missing Work
  • 4. Top 10 Lab Safety Rules
    • Prepare for Lab.
      • Study the procedure.
          • Read through the lab.
      • Ask questions if you’re confused.
  • 5. Top 10 Lab Safety Rules
    • Follow Directions.
      • Don’t skip steps!!
      • Ask questions if you’re confused.
  • 6. Top 10 Lab Safety Rules
    • Dress for the Lab.
      • Always wear goggles or any other required safety gear.
      • Wear clothing that covers your skin
          • Long pants and long sleeve shirts
          • Hair should be tied back or wear a hairnet.
      • Wear tennis shoes or any other type of closed-toe shoe.
  • 7. Top 10 Lab Safety Rules
    • Always slant the mouth of test tubes away from yourself and others.
      • This prevents spills!!
      • This prevents accidental exposure to chemicals.
  • 8. Top 10 Lab Safety Rules
    • Never eat or drink in the lab.
      • Never inhale (breathe in) chemicals.
      • Never taste anything in the lab.
  • 9. Top 10 Lab Safety Rules
    • Chemicals can burn you, so always wash spills immediately and call your instructor.
      • If a spill occurs, find the nearest source of water and wash thoroughly.
      • Don’t expose any other parts of your body to the chemical!
  • 10. Top 10 Lab Safety Rules
    • Be careful with fire. If you burn yourself apply cold water.
      • Never expose hair to fire in the lab, so again hair should be tied back.
  • 11. Top 10 Lab Safety Rules
    • If you are on fire, Do Not Run, it will make flames bigger
      • Remember: Stop, Drop, and Roll
  • 12. Top 10 Lab Safety Rules
    • Clean up at the end of lab.
      • Chemicals should be exposed of in the waste bucket.
      • Lab areas should be sanitized and safety gear should be put away.
  • 13. Top 10 Lab Safety Rules
    • Report ALL accidents or injuries to your instructor.
      • No Horse-Playing!!
      • Goofing off is the easiest way to cause accidents and injuries in the lab!!
  • 14. Wrap-Up
    • True or False? If you are on fire, you should run until the fire is put out.
    • How should you Prepare for Lab?
    • What is the easiest way that accidents occur during lab?