Safety rules

Question 1

rule 1

Answer 1

report any incident to the teacher immediately, no matter how minor, including reporting any burn, scratch, cut, or corrosive liquid on skin or clothing.

Question 2

rule 2

Answer 2

Prepare for each laboratory activity by reading all instructions before coming to class. Follow all directions implicitly and intelligently. Make note of any modification in procedure given by the instructor.

Question 3

rule 3

Answer 3

any science project or individually planned experiment must be approved by the teacher.

Question 4

rule 4

Answer 4

use only those materials and equipment authorized by the instructors.

Question 5

rule 5

Answer 5

Inform the teacher immediately of any equipment not working properly

Question 6

rule 6

Answer 6

Clean up any non hazardous spill on the floor or workspace immediately

Question 7

rule 7

Answer 7

Wear appropriate eye protection, as directed by the instructor, whenever you are working in the laboratory. Safety goggles must be worn during hazardous activities involving caustic/corrosive chemicals, heating of liquids, and other activities that may injure the eyes.

Question 8

rule 8

Answer 8

Splashes and fumes from hazardous chemicals present a special danger to wearers of contact lenses. Therefore students should preferably wear regular eyeglasses during all class activities or purchase personal splash proof goggles and wear them whenever exposure to chemicals or chemical fumes is possible.

Question 9

rule 9

Answer 9

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

Question 10

rule 10

Answer 10

Never carry hot equipment or dangerous chemicals through a group of students

Question 11

rule 11

Answer 11

Check labels and equipment instructions carefully. Be sure correct items are used in the proper manner.

Question 12

rule 12

Answer 12

Be aware if the chemicals 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.

Question 13

rule 13

Answer 13

Never taste anything or touch chemicals with the hands, unless specifically instructed to do so.

Question 14

rule 14

Answer 14

test for odor of chemical only by waving your hand above the container and sniffing cautiously from a distance.

Question 15

rule 15

Answer 15

Eating or drinking in the laboratory or from laboratory equipment is not permitted

Question 16

rule 16

Answer 16

use a mechanical pipette filler when measuring or transferring small quantities of liquid with a pipette

Question 17

rule 17

Answer 17

When heating material in a test tube, do not look into the tube or point it in the direction of any person during the process

Question 18

rule 18

Answer 18

never pour reagents back into bottles, exchange stoppers of bottles, or lay stoppers on the table

Question 19

rule 19

Answer 19

when dilutin acids, always pour acids into water, never the reverse. Combine the liquids slowly while stirring to distribute heat builddup throughout the mixture.

Question 20

rule 20

Answer 20

Keeps hands away from face, eyes, and clothes while using solution, specimens, equipment, or materials in the laboratory. Wash hands as necessary and wash thoroughly at the conclusion of the laboratory period.

Question 21

rule 21

Answer 21

To treat a burn from an acid or alkali, wash the affected area immediately with plenty of running water. If the eye is involved, irrigate it at the eyewash station without interruption for 15 minutes. Report the incident to your instructor immediately,

Question 22

rule 22

Answer 22

know the location of the emergency shower, eyewash and face wash station, fire blanket, fire extinguisher, fire alarm box, and exits.

Question 23

rule 23

Answer 23

Know the proper fire and earthquake drill procedures.

Question 24

rule 24

Answer 24

Roll long sleeves above the wrist. Long, hanging necklaces, bulky jewelry, and excessive and bulky clothing should not be worn in the laboratory

Question 25

rule 25

Answer 25

Confine long hair during a laboratory activity

Question 26

rule 26

Answer 26

wear shoes that cover the toes, rather than sandals, in the laboratory

Question 27

rule 27

Answer 27

keep work areas clean, floors and aisles should be kept clear of equipment and material

Question 28

rule 28

Answer 28

Light gas burners only as instructed by the teacher. Be sure no volatile materials are being used near by

Question 29

rule 29

Answer 29

Use a burner with extreme caution. Keep your head and clothing away from the flames and turn it off when not in use

Question 30

rule 30

Answer 30

Use a fire blanket to extinguish any flame on a person

Question 31

rule 31

Answer 31

dispose of laboratory waste as instructed by the teacher. Use seperate, designated containers for the following:
-Matches, litmus paper, wooden splints, tooth picks, etc
-broken and waste glass
-rags, paper towels, or other materials used in the cleanup of flammable solids or liquids
-hazardous/toxic liquids and solids

Question 32

rule 32

Answer 32

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

Question 33

rule 33

Answer 33

Students are not permitted in laboratory storage rooms or teachers’ workrooms without the approval of the teacher.

Question 34

rule 34

Answer 34

To cut small diameter glass tubing, use a file 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.

Question 35

rule 35

Answer 35

When bending glass, allow time for the glass to cool before further handling. Hot and cold glass have the same visual appearance. Determine whether an object is hot by bringing the back of your hand close to the object.

Question 35

rule 36

Answer 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 a towel to protect the hand. Carefully twist glass tubing into stopper holes.

Question 36

rule 37

Answer 36

Remove all broken glass from the work area or floor as soon as possible. Never handle broken glass with bare hands; use a counter brush and dustpan.

Question 37

rule 38

Answer 37

Report broken glassware, including thermometers, to the instructor immediately

Question 38

rule 39

Answer 38

Operate electrical equipment only in dry area with dry hands

Question 39

rule 40

Answer 39

when removing an electrical plug from its socket, pull the plug, not the electrical cord

Question 40

rule 41

Answer 40

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

Question 41

rule 42

Answer 41

Always approach laboratory experiences in a serious and courteous manner.

Question 42

rule 43

Answer 42

Always clean the laboratory area before leaving

Question 43

rule 44

Answer 43

Students and teachers wash hands with soap and water before leaving the laboratory area