Laboratory Safety Rules

1. Laboratory Safety Rules

2. 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. responsibilities injury

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: suspended permanently removed

4. instructor • 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. teacher minor reading directions modification

5. 4. Any science project or individually planned experiment must be __________ by the teacher. approved 5. Use only those materials and equipment _________ by the instructor. authorized immediately 6. Inform the teacher ____________ of any equipment not working properly. spill 7. Clean up any nonhazardous _______ on the floor or workspace ____________. immediately

6. 8. 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. eye protection 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 lenses open skin wounds

9. carry • 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. group labels used chemicals MSDS

10. taste • 14. Never ______ anything or touch chemicals with the hands, unless __________ instructed to do so. specifically 15. Test for odor of chemicals only by ______ your hand above the container and sniffing cautiously from a _________. waving distance laboratory 16. Eating or drinking in the ____________ or from laboratory equipment is _____ permitted. not

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. look reagents 18. Never pour _________ back into bottles, exchange stoppers of bottles, or lay stoppers on the table. 19. When diluting _____, always pour acids into _______, never the reverse. acids water

12. 20. Wash hands as necessary and wash thoroughly at the __________ of the laboratory period. conclusion 21. 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 ___________ ______________. immediately 15 instructor. 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. location procedures wrist worn laboratory

14. cover • 26. Wear shoes that ______ the toes, rather than sandals, in the laboratory. clean 27. Keep work areas ______. Floors and aisles should be kept ______ of equipment and materials. clear extreme 28. 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 _______ extinguish person. 30. Dispose of laboratory waste as ___________ by the teacher. Use separate, designated containers (not the ___________) for the following: instructed wastebasket • Matches, litmus paper, wooden splints, ____________, and so on toothpicks Broken glass • ___________ and waste _____. • Rags, paper towels, or other absorbent materials used in the cleanup of ____________ solids or liquids flammable liquids • Hazardous/toxic ________ and solids

16. 31. Place books, purses, and such items in the designated storage area. Take _____ manuals and notebooks into the ___________ area. only working 32. Students are not permitted in laboratory _________ rooms or teachers' workrooms without the approval of the ___________ storage teacher. 33. Hot and cold glass has the same physical appearance. Determine whether an object is ____ by bringing the _________________ close to the object. hot back of your hand

17. broken • 34. 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. brush 35. Report broken glassware, including ___________, to the instructor __________. thermometers immediately. 36. Operate electrical equipment only in a dry area and with _______ hands. dry 37. 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. humanely 39. Always approach laboratory experiences in a _________ and courteous manner. serious clean 40. Always __________ the laboratory area _________ leaving. before

19. 43. Wash all sharp-edged and pointed instruments __________ from other equipment. caution 42. Exercise __________ in using scissors, scalpels, dissecting needles, and other ________________ instruments. Pass them with handles ____________ when handing them to other persons. sharp-edged extended separately

20. 48. Never handle animals in the laboratory unless directed to do so by the ________. 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 __________. ventilation closed instructor animals 49. Never bring __________ or poisonous ________ to school. plants petri 50. 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. sterilization 52. Use the fume hood whenever noxious, corrosive, or toxic _______ are produced or released. fumes clean 53. Be sure all glassware is ______ before use. Clean glassware thoroughly ______ use. Residue may cause errors in new experiments or cause a _______ reaction or explosion. after violent

22. 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. Lifting pushing Throwing _________ or tossing any object or item in the science classroom or laboratory

23. _________ of safety equipment including, but not limited to • eyewash stations • ___________ showers • fire extinguishers • _____ blanket Misuse emergency fire Removal _________ of any materials or equipment from the classroom or laboratory Vandalizing furniture __________ school equipment or ________. Endangering ____________ or causing harm to others.