mr. villa fall semester.  carelessness  insufficient knowledge  taking unnecessary risks...

Download Mr. Villa Fall Semester.  Carelessness  Insufficient knowledge  Taking unnecessary risks  Being in too great a hurry

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  • Mr. VillaFall Semester

  • Carelessness

    Insufficient knowledge

    Taking unnecessary risks

    Being in too great a hurry

  • Reading all procedures so you know what you are going to do

    Following the procedures as they are written (Do not do extra experiments just for fun. The results may be dangerous or even deadly.)

    Immediately report any accident or injury, no matter how minor, to your teacher

  • Take this seriously

    Fill out the answers to the questions

    Bring back signed by parent tomorrow for a 100%


    Dr. TT Aklinski

  • Dr. TT AklinskiDiborane

  • Material Safety Data SheetOn file for all purchased chemicals.Includes all information shown on a chemical label and more.Different formats are used by different chemical companies.

    Dr. TT Aklinski

  • Dr. TT Aklinski

    Dr. TT Aklinski

  • Follow the teachers directions and do not perform any experiment the teacher has not authorizedRemember that the human body is a conductor of electricityNever use electrical equipment with which you are not familiar or that contains no directions to followHands and work areas, including floors and tables, should be dryNever overload a circuitWatch for exposed wiresMake sure all electrical equipment is properly grounded

  • Never force glass tubing into rubber stoppers

    Never pick up broken glass with your bare hands

    Allow heated glassware to cool before touching it

  • Never taste chemicals as a means of identificationDo not breathe fumes directlyDo not eat or drink in the laboratoryDo not eat or drink from laboratory glasswareNever handle mercuryLabel reagent bottles properlyRead bottle labels carefullyWash hands thoroughly after experimentsIf any chemical comes in contact with your skin, rinse area with plenty of cold water and notify the teacher

  • If any substance, liquid or powdered, splashes or blows into your eyes, wash them out immediately with water and notify your teacherWear safety goggles when necessaryAll laboratories should have an emergency eye-wash station; know its locationWearing contact lenses, even with goggles, is dangerous; fumes from chemicals can get under the lenses, causing eye damage

  • Fire extinguishers and fire blankets should be availableTurn off hot plates or burners when not in useTie back hair and loose clothingUse proper procedures when lighting laboratory burnersIn case of fire, smother flames with a cloth or fire blanketWhen heating the contents of a test tube, point the tube, away from yourself and others

  • Take great care in noting odors or fumes; use a wafting motion of the hand

    Use volatile liquids only in very small quantities and in a well ventilated room

    Do not breathe pure gases such as hydrogen, argon, helium, or nitrogen (high concentrations of CO2 can also be dangerous)

    Turn off gas valves when not in use

  • Confine loose clothing

    Wear laboratory aprons

  • Use safety shields or screens if there is a potential danger of an explosion or implosion of apparatus

    Never use an open flame when working with volatile liquids such as alcohol

  • Always use single-edged razors; double-edged razors are too dangerous

    Handle any sharp instrument with extreme care; never cut any material towards you, always cut away from you

    Notify your teacher immediately if you are cut in the lab

  • Take particular care to handle glassware safely, and never use broken glasswareNever heat glassware that is not thoroughly dry; never pick up any glassware unless you are sure it is not hot; if it is hot, use heat-resistant gloves or beaker tongsAlways clean glassware thoroughly before putting it awayFire polish ends of glass tubing; do not force glass tubing and funnels into rubber stoppers; glass tubing should be wrapped in toweling when being inserted or removed from rubber stoppers; a lubricant (glycerin or stop cock grease) is always used

  • If any substance splashes or blows into your eyes, what should you do?What kinds of safety apparel do you wear in the science laboratory?If your partner wants to perform an experiment that he/she thought up, what should you tell him?Before leaving the laboratory for your next class, what should you do?A chemical solution has spilled on your skin. What is the first thing you need to do?Draw a floor plan of your classroom and identify the location of the eyewash fountain, fire blanket, and fire extinguisher.If your hair is long, what precautions will you take in the laboratory?What does wafting mean?Why is a lubricant used when inserting glass tubing into a rubber stopper?List four main causes of laboratory accidents.

  • RadioactivityGlass SafetyEye SafetyAnimal SafetyLaser SafetyExplosive SafetySharp ObjectsBiohazardPoison SafetyElectrical SafetyHeat SafetyFire Safety

    TT Aklinski*TT Aklinski*TT Aklinski*TT Aklinski*