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LaboratorySafety Rules
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
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
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.
instructor
teacherminor
readingdirections
modification
4. Any science project or individually planned experiment must be __________ by the teacher.
5. Use only those materials and equipment _________ by the instructor.6. Inform the teacher ____________ of any equipment not working properly.
7. Clean up any nonhazardous _______ on the floor or workspace ____________.
approved
authorized immediately
immediately spill
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
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
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.
carrygroup
labels
used
chemicals
MSDS
14. Never ______ anything or touch chemicals with the hands, unless __________ instructed to do so.
taste
specifically
wavingdistance
laboratory not
15. Test for odor of chemicals only by ______ your hand above the container and sniffing cautiously from a _________.
16. Eating or drinking in the ____________ or from laboratory equipment is _____ permitted.
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.
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.
look
reagents
acidswater
20. Wash hands as necessary and wash thoroughly at the __________ of the laboratory period.
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
conclusion
15instructor.
immediately
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
laboratoryworn
26. Wear shoes that ______ the toes, rather than sandals, in the laboratory.
cover
27. Keep work areas ______. Floors and aisles should be kept ______ of equipment and materials.
clean
28. Use a burner with __________ caution. Keep your head and clothing away from the flame and turn it _____ when not in use.
extreme
clear
off
29. Use a fire blanket (stop, drop, and roll) to ___________ any flame on a _______
30. Dispose of laboratory waste as ___________ by the teacher. Use separate, designated containers (not the ___________) for the following:
extinguish
instructed
wastebasketMatches, litmus paper, wooden splints, ____________, and so ontoothpicks___________ and waste _____.BrokenRags, paper towels, or other absorbent materials used in the cleanup of ____________ solids or liquidsflammableHazardous/toxic ________ and solidsliquids
person.
glass
31. Place books, purses, and such items in the designated storage area. Take _____ manuals and notebooks into the ___________ area.
only
working32. 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.
hotback of your hand
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.
broken
brush35. Report broken glassware, including ___________, to the instructor __________.immediately.
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
thermometers
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
40. Always __________ the laboratory area _________ leaving.
cleanbefore
42. Exercise __________ in using scissors, scalpels, dissecting needles, and other ________________ instruments. Pass them with handles ____________ when handing them to other persons.
caution
sharp-edgedextended
43. Wash all sharp-edged and pointed instruments __________ from other equipment.
separately
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
closed48. Never handle animals in the laboratory
unless directed to do so by the ________.instructor
49. Never bring __________ or poisonous ________ to school.plants
animals
50. Never open _________ dishes containing bacterial or fungal growth unless directed to do so by the instructor.
petri
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
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.
cleanafter
violent
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.
Liftingpushing
_________ or tossing any object or item in the science classroom or laboratoryThrowing
_________ of safety equipment including, but not limited to
– eyewash stations– ___________ showers– fire extinguishers– _____ blanket
Misuse
__________ school equipment or ________.Vandalizing
____________ or causing harm to others.Endangering
_________ of any materials or equipment from the classroom or laboratoryRemoval
emergency
fire
furniture