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Lab Safety

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modified for 5th grade slideshow

modified for 5th grade slideshow

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Transcript

  • 1. Lab Safety
  • 2. Why is Lab Safety Important?
    • Lab safety is a major aspect of every lab based science class.
    • Lab safety rules and symbols are needed so that students do not injure themselves or their classmates.
  • 3. Lab Safety Rules
    • 1. Always follow the teacher’s directions and only do lab work when a teacher is present. You MUST get permission from the teacher before beginning ANY activity or using any tools.
    • 2 . Do not touch any equipment, chemicals, or other materials until told to do so.
    • 3 . Do not eat food, drink beverages, or chew gum in the lab. Do not use lab glassware as food or beverage containers
    • 4 . Report ALL accidents to your teacher immediately, even if you think it is minor.
  • 4. Also:
    • Use care when handling sharp objects
    • Prevent burns by using mitts or tongs with hot materials.
    • Prevent fires by never leaving a heat source unattended.
  • 5. Prepare yourself by:
    • Washing hands
    • Knowing how a heat source works before using it
    • Knowing how to dispose of each type of waste properly
    • Following directions
    • Knowing the location of all safety equipment.
  • 6. Clothing
    • Wear:
      • Goggles/safety glasses
      • Closed-toed shoes
      • Clothing made of natural based fiber such as cotton
      • Tie back long hair
    • Do NOT Wear:
      • Sandals
      • Jewelry
      • Loose or Baggy clothing
  • 7. Lab Safety Equipment
    • Safety Goggles
    Eye Wash
  • 8. Lab Safety Equipment
    • Fire
    • Extinguisher
    • Fire Blanket
  • 9. Lab Safety Symbols
    • Glassware
    • Heat
    • Eye and Face
    • Sharps
    • Electrical
    • Animal
    • Chemical
    • Fire
  • 10. Other Chemical Hazards and Symbols
    • Flammable
    • Explosive
    • Toxic/Poison
    • Irritant
    • Corrosive
    • Environmental
  • 11. Chemical Hazard Symbols and Definitions
    • Flammable – Any substance that will burn if exposed to an open flame.
    • Explosive – A substance that may explode if exposed to heat or flame.
  • 12. Chemical Hazard Symbols and Definitions
    • Toxic/Poison – A substance that can lead to death if inhaled, ingested, or absorbed by the skin.
    • Corrosive – A substance that can destroy or burn living tissue and can eat away at other materials.
  • 13. Chemical Hazard Symbols and Definitions
    • Irritant - A substance that causes inflammation upon contact with skin or mucous membranes.
    • Environmental - Substances that are harmful to the environment. They must be disposed of properly, not washed down the drain.
  • 14. Accidents and Injuries
    • Report ALL accidents and injuries to your teacher immediately!!!
    • Be aware of safety hazards associated with each chemical you use.
    • Eye accident – Wash the eye with copious amounts of water for at least 15 min.
    • Fire Burns – Stop, Drop, and be covered with a fire blanket or soaked with water. Do not remove clothing stuck to victim. Get medical attention immediately.
  • 15. Waste Disposal
    • First ask your teacher where/how to dispose of waste.
    • Never pour anything down the drain unless you are told to do so.
    • A waste bottle will be supplied for substance that cannot go down the drain
  • 16. Reasons for proper waste disposal
    • Hazardous chemicals down the drain can lead to pollution of ground water, lakes, rivers, etc.
    • Plants and animals will die if they are exposed to hazardous chemical waste.
    • Serious health problems will become present in people if hazardous waste finds its way into drinking water.
  • 17. Teachers & Students should protect their:
    • Nose by smelling substances by wafting
    • Eyes with goggles
    • Hands with gloves
    • Feet with closed shoes
  • 18. Teachers & Students should protect their:
    • Clothes with apron
    • Mouth by NOT tasting
    • Tying back hair
    • Face and skin by NOT touching while handling materials
  • 19.