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