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Lab Safety Powerpoint

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A Powerpoint about Lab Safety for our unit on the practice of science.

A Powerpoint about Lab Safety for our unit on the practice of science.

Published in: Technology, Business

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Transcript

  • 1. Wait! Play it Safe! A powerpoint about safety and good sense in the laboratory!
  • 2. Rules in the laboratory  Rules are an important part of any experiment. You should know them because they…  Teach you how to protect yourself, and others from the hazards in the lab  Help you prepare and conduct your experiment in a reliable fashion  Can save your eyesight, spare you from injury, and help you act quickly in an emergency.
  • 3. Before you start…  Look at your lab area before you start working. Make sure it is clean and uncluttered. (stools)  Always wear goggles (Send one person up)  Think ahead! Wear closed toed shoes, bring a hair tie!  Pay attention to signs and labels.  Read and re-read the procedure. Make sure you understand.
  • 4. Working with Chemicals?  WAFT chemicals, never smell them directly.  Make sure you double check the MSDS (Material safety data sheet) on any chemicals you must work with yourself.  Combine only the reagents outlined in the lab proceedure.  If you are combining acid and water, mix ACID with H20, not the other way around!  Consider ALL chemicals dangerous unless you are told otherwise. (even water)  DO NOT dump excess reagents down the sink, unless your instructor tells you to. Never put reagents back in their bottles.
  • 5. During the experiment…  Keep your goggles on at ALL times. Your eyesight is precious and you can’t have it back. (No contact lenses)  Don’t eat or drink.  Only your labsheet or your notebook should be brought to the experiment table. No backpacks  Pick up heated materials using tongs. DO NOT use rubber tongs near open flame.  Keep your goggles on at ALL times. Your eyesight is precious and you can’t have it back. (No contact lenses)  Don’t run, jump or roughhouse!
  • 6. During the experiment, cont’d.  BE CAREFUL with the lab equipment. Don’t put thermometers or glass tools out where they can roll off the table and break.  Pick up heated materials using tongs. DO NOT use rubber tongs near open flame.  Don’t use flammable substances near open flame.  Do not leave burners unattended, and be careful about using too much gas!  Don’t point a test tube at yourself, or a partner.  Record your data immediately. Don’t wait!
  • 7. Emergencies!  Know where the Fire extinguisher is, and how to use it.  Know where the eyewash fountain is, and how to use it!  Know where the emergency shower is, and how to use it!  You MUST tell your instructor in the case of any injury.
  • 8. After the Experiment  Make sure that all substances are properly disposed of.  Clean all your glassware carefully and put it back where you found it.  The last period should put the equipment away.  Clean your work station. Other classes might be using the same things!
  • 9. GUESS THAT THINGY!
  • 10. What’s that?
  • 11. Beaker  Used as a holding receptable for liquids  Used for pouring  Used for heating and mixing reagents.
  • 12. What’s That?
  • 13. Graduated Cylinder  Used for measuring the volume of a liquid.
  • 14. What’s that?
  • 15. Crucible  Used for heating reagents
  • 16. What’s that?
  • 17. Test tubes!  Used for heating samples, mixing, and as a receptacle for liquid!

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