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.