2 responsibilities injury While working in the science laboratory, you will have certain important ____________________ that do not apply to other classrooms. You will be working with materials and apparatus which, if handled carelessly or improperly, have the potential to cause __________________ or discomfort to someone else as well as yourself.responsibilitiesinjury
3 A science laboratory can be a safe place in which to work if you, the student, are foresighted, alert, and cautious. Violating any of the following regulations will result in you being _______________ from class or ______________________ from the class. The following practices will be followed:suspendedpermanently removed
4 1. An _________ must be present during the performance of all laboratory work. 2. Report any accident to the __________ immediately, no matter how_________, including reporting any burn, scratch, cut, or corrosive liquid on skin or clothing.3. Prepare for each laboratory activity by ________ all instructions before coming to class. Follow all _________ implicitly and intelligently. Make note of any _________ in procedure given by the instructor.instructorteacherminorreadingdirectionsmodification
5 4. Any science project or individually planned experiment must be __________ by the teacher. approved5. Use only those materials and equipment _________ by the instructor.authorizedimmediately6. Inform the teacher ____________ of any equipment not working properly.7. Clean up any nonhazardous _______ on the floor or workspace ____________.spillimmediately
6 eye protection8. Wear appropriate ______________, as directed by the instructor, whenever you are working in the laboratory. Safety goggles must be worn during hazardous _________ involving caustic/corrosive chemicals, heating of liquids, and other activities that may injure the eyes.activities
8 9. Splashes and fumes from hazardous chemicals present a special danger to wearers of _____________. Therefore, students should preferably wear regular glasses (inside splash -proof goggles, when appropriate) during all class activities or purchase personal splash-proof goggles and wear them whenever exposure to chemicals or chemical fumes is possible.10. Students with _________________ on hands must wear gloves or be excused from the laboratory activity.contact lensesopen skin wounds
9 11. Never _______ hot equipment or dangerous chemicals through a ______ of students. 12. Check ______ and equipment instructions carefully. Be sure correct items are _______ in the proper manner.13. Be aware if the _________ being used are hazardous. Know where the material safety data sheet (_______) is and what it indicates for each of the hazardous chemicals you are using.carrygrouplabelsusedchemicalsMSDS
10 taste14. Never ______ anything or touch chemicals with the hands, unless __________ instructed to do so.specifically15. Test for odor of chemicals only by ______ your hand above the container and sniffing cautiously from a _________.wavingdistance16. Eating or drinking in the ____________ or from laboratory equipment is _____ permitted.laboratorynot
11 17. When heating material in a test tube, do not ______ into the tube or point it in the direction of any person during the process.look18. Never pour _________ back into bottles, exchange stoppers of bottles, or lay stoppers on the table.reagents19. When diluting _____, always pour acids into _______, never the reverse.acidswater
12 20. Wash hands as necessary and wash thoroughly at the __________ of the laboratory period. conclusion21. To treat a burn from an acid or alkali, wash the affected area ___________ with plenty of running water. If the eye is involved, irrigate it at the eyewash station without interruption for ___ minutes. Report the incident to your ___________ ______________.immediately15instructor.immediately
13 22. Know the _________ of the emergency shower, eyewash and facewash station, fire blanket, fire extinguisher, fire alarm box, and exits.23. Know the proper fire and earthquake drill _____________.24. Roll long sleeves above the _______. Long, hanging necklaces, bulky jewelry, and excessive and bulky clothing should not be _____ in the laboratory.25. Confine long hair during a __________ activity.locationprocedureswristwornlaboratory
14 cover26. Wear shoes that ______ the toes, rather than sandals, in the laboratory.clean27. Keep work areas ______. Floors and aisles should be kept ______ of equipment and materials.clearextreme28. Use a burner with __________ caution. Keep your head and clothing away from the flame and turn it _____ when not in use.off
15 29. Use a fire blanket (stop, drop, and roll) to ___________ any flame on a _______ extinguishperson.30. Dispose of laboratory waste as ___________ by the teacher. Use separate, designated containers (not the ___________) for the following:instructedwastebasketMatches, litmus paper, wooden splints, ____________, and so ontoothpicksBrokenglass___________ and waste _____.Rags, paper towels, or other absorbent materials used in the cleanup of ____________ solids or liquidsflammableliquidsHazardous/toxic ________ and solids
16 31. Place books, purses, and such items in the designated storage area 31. Place books, purses, and such items in the designated storage area. Take _____ manuals and notebooks into the ___________ area.onlyworking32. Students are not permitted in laboratory _________ rooms or teachers' workrooms without the approval of the ___________storageteacher.33. Hot and cold glass has the same physical appearance. Determine whether an object is ____ by bringing the _________________ close to the object.hotback of your hand
17 broken34. Remove all ________ glass from the work area or floor as soon as possible. Never handle broken glass with bare hands; use a counter _____ and dustpan.brush35. Report broken glassware, including ___________, to the instructor __________.thermometersimmediately.36. Operate electrical equipment only in a dry area and with _______ hands.dry37. When removing an electrical plug from its socket, pull the _________, not the electrical cord.plug
18 38. Treat all animals in the science laboratory __________; that is, with respect and consideration for their care.humanely39. Always approach laboratory experiences in a _________ and courteous manner.seriousclean40. Always __________ the laboratory area _________ leaving.before
19 caution42. Exercise __________ in using scissors, scalpels, dissecting needles, and other ________________ instruments. Pass them with handles ____________ when handing them to other persons.sharp-edgedextended43. Wash all sharp-edged and pointed instruments __________ from other equipment.separately
20 44. Use great care when working with ether or other volatile liquids 44. Use great care when working with ether or other volatile liquids. Windows and doors should be opened for greatest possible ___________. Be sure that caps or lids of containers used for chemicals are securely __________.ventilationclosed48. Never handle animals in the laboratory unless directed to do so by the ________.instructoranimals49. Never bring __________ or poisonous ________ to school.plantspetri50. Never open _________ dishes containing bacterial or fungal growth unless directed to do so by the instructor.
21 51. Dispose of all discarded bacterial and fungal cultures by ___________ as directed by the instructor.sterilization52. Use the fume hood whenever noxious, corrosive, or toxic _______ are produced or released.fumesclean53. Be sure all glassware is ______ before use. Clean glassware thoroughly ______ use. Residue may cause errors in new experiments or cause a _______ reaction or explosion.afterviolent
22 Lifting pushing Throwing The following actions will result in being dropped from the class: __________ the plastic cover and /or _________ the “Big Red Button” in the front of the classroom.LiftingpushingThrowing_________ or tossing any object or item in the science classroom or laboratory
23 ____________ or causing harm to others. Misuse_________ of safety equipment including, but not limited toeyewash stations___________ showersfire extinguishers_____ blanketemergencyfireRemoval_________ of any materials or equipment from the classroom or laboratoryVandalizingfurniture__________ school equipment or ________.Endangering____________ or causing harm to others.
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