Safety Regulations For Science Students

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.

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 suspended from class or permanently removed from the class.  The following practices will be followed:


1.      An _____________________________ must be present during the performance of all laboratory work.

2.      Report any accident to _____________ 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.

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 ____________________.

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.

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.  Students with open skin wounds on hands must wear gloves or be excused from the laboratory activity.

10.  Never ______________ hot equipment or dangerous chemicals through a _________________of students.

11.  Check ________________ and equipment instructions carefully. Be sure correct items are ______________ in the proper manner.

12.  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.

13.  Never __________ anything or touch chemicals with the hands, unless _____________ instructed to do so.

14.  Test for odor of chemicals only by ____________________ your hand above the container and sniffing cautiously from a ____________________.

15.  Eating or drinking ______  the laboratory or from laboratory equipment is _________  permitted.

16.  Use a ____________________  pipette filler (never the mouth) when measuring or transferring small quantities of liquid with a pipette.

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. Combine the liquids slowly while stirring to distribute heat buildup throughout the mixture.

20.  Keep ____________________ away from face, eyes, and clothes while using solutions, specimens, equipment, or materials in the laboratory. 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 instructor 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.

26.  Wear shoes that ____________________ the toes, rather than sandals, in the laboratory.

27.  Keep work areas ____________________. Floors and aisles should be kept ____________________ of equipment and materials.

28.  Light gas ____________________ only as instructed by the teacher. Be sure no ____________________ materials (such as alcohol or acetone) are being used nearby.  Use a burner with ____________________ caution. Keep your head and clothing away from the flame and turn it off when not in use.

29.  Use a fire blanket (stop, drop, and roll) to ____________________ any flame on a person.

30.  Dispose of laboratory waste as ____________________ by the teacher. Use separate, designated containers (not the ____________________ ) for the following:

·  Matches, litmus paper, wooden splints, ____________________, and so on

·  ____________________ and waste glass

·  Rags, paper towels, or other absorbent materials used in the cleanup of ________________ solids or liquids

·  Hazardous/toxic ____________________ and solids

31.  Place books, purses, and such items in the designated storage area. Take ____________________ laboratory manuals and notebooks into the ____________________ area.

32.  Students are not permitted in laboratory ____________________ rooms or teachers' workrooms without the approval of the ____________________.

33.  To cut small diameter glass tubing, use a ____________________ or tubing cutter to make a deep scratch. Wrap the tubing in a paper towel before breaking the glass away from you with your thumbs. Fire polish all ends.

34.  Hot and cold glass has the same ____________________ appearance. Determine whether an object is hot by bringing the back of your hand close to the object.

35.  Match hole sizes and tubing when inserting glass tubing into a stopper. If necessary, expand the hole first by using an appropriate size cork borer. Lubricate the stopper hole and glass tubing with water or glycerin to

ease insertion, using towels to ____________________ the hand. Carefully twist (never push) glass tubing into stopper holes.

36.  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.

37.  Report broken glassware, including thermometers, to the instructor ____________________.

38.  Operate electrical equipment only in a dry area and with ____________________ hands.

39.  When removing an electrical plug from its socket, pull the ____________________, not the electrical cord.

40.  Treat all animals in the science laboratory ____________________ ; that is, with respect and consideration for their care.

41.  Always approach laboratory experiences in a ____________________ and courteous manner.

42.  Always ____________________ the laboratory area ____________________ leaving.

43.  Students and teacher wash hands with ____________________ and water before leaving the laboratory area.

44.  When heating volatile or flammable materials, use a water bath; that is, heat the materials in or over heated water, using a hot plate to heat the water. ____________________ all open flames.

45.  Exercise ____________________ in using scissors, scalpels, dissecting needles, and other sharp‑edged instruments. Pass them with handles extended when handing them to other persons.

46.  Wash all sharp‑edged and pointed instruments ____________________ from other equipment.

47.  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 ____________________.

48.  Rinse ____________________ specimens occasionally or whenever fumes or chemicals are released in the dissection process.

49.  Never handle animals in the laboratory unless directed to do so by the ____________________.

50.  Never insert your fingers or objects through the wire mesh of animal ____________________ to pet or tease the animals.

51.  Notify the instructor ____________________ if an animal bites you.

52.  Never bring animals or poisonous ____________________ to school.

53.  Never open ____________________ dishes containing bacterial or fungal growth unless directed to do so by the instructor.

54.  Dispose of all discarded bacterial and fungal cultures by ____________________ as directed by the instructor.

55.  Inform the teacher ____________________ of any equipment not working properly.

56.  When ____________________ with lasers or apparatus that produce X rays, microwaves, or ultraviolet rays, make certain that proper shielding and other precautions are used.

57.  Use the fume hood whenever noxious, corrosive, or toxic ____________________ are produced or released.

58.  Be sure all glassware is ____________________ before use. Clean glassware thoroughly _______________ use. Residue may cause errors in new experiments or cause a ___________________reaction or explosion.


The following actions will result in both immediate removal from class as well as being dropped from the class:

____________________ the plastic cover and /or ____________________ the “Big Red Button” in the front of the classroom.

____________________ of safety equipment including, but not limited to

eyewash stations

emergency showers

fire extinguishers

fire blanket

____________________ of any materials or equipment from the classroom or laboratory

____________________ school equipment or furniture.

____________________ or causing harm to others.


Note: Persistent or willful violation of the regulations will result in the loss of laboratory privileges and possible dismissal from the class.