Safety Rules Flashcards
Conduct yourself in a ______ manner in the lab
responsible
The # 1 priority for students, teachers, and parents
safety in the science classroom
Never work____
alone
When first entering a science room, do not ______
touch any equipment, chemicals, or other materials
______ eat food, drink beverages, or chew gum
Do not
what about using glassware as containers for food/beverages?
do not
What experiments can you perform?
only those experiments authorized by the instructor
What are dangerous and prohibited?
horseplay, practical jokes, pranks
How can you observe good housekeeping practices?
keep work areas clean and tidy
bring only lab instructions, worksheets, and reports to work area
What do you do with your chair when it is not in use?
Push it under the desk.
What do you need to know about safety equipment such as the first aid kit, eyewash station, safety shower, fire extinguisher, fire alarm, exits, and fire blanket?
their locations
Fume hood and ventilation?
make sure your work area is well ventilated
never place head in fume hood
How should you be in a lab?
alert
What are sinks for?
water, not chemicals unless otherwise stated
What should you read before using things?
labels and equipment instructions
What to do when handling preserved specimens or chemicals?
keep hands away from face, eyes, mouth, and body
What to do after any experiment
wash hands with soap and water
clean work surfaces and apparatus
return all equipment clean and in working order to the proper storage area
Where should you be at all times?
at your assigned monitored lab station
Where are students not permitted unless given permission by instructor?
science storage rooms or preparation areas
What do you need to know how to do?
fire drill
What to do in a fire drill
containers closed
gas valves off
fume hoods turned off
electrical equipment turned off
What to do with living organisms?
handle in a humane manner
treat with respect
dispose of properly
What to do with knives?
carry with tips pointing down and away
how should you cut
away from body
What happens if a sharp object falls?
do not try to grab it
How do you hold a knife
by the handle
What to do if you have a medical condition
consult physician before entering lab
When do you wear goggles?
anytime chemicals, eat, or glassware are used
Contact lenses…
should never be worn in the lab unless you have permission from your instructor
How to dress in a lab
no long hair, dangling jewelry, loose or baggy clothing
shoes must completely cover the foot
When should lab aprons be used?
during lab activities
what happens if an accident such as a spill or breakage or an injury such as a cut or burn occurs?
report to instructor no matter how trivial
What happens if you or your lab partner are hurt?
yell code one code one
What happens if chemical splashes in your eye
immediately flush with running water from the eyewash station or safety shower for at least 20 minutes
What happens if a mercury thermometer is broken?
mercury must not be touched
notify instructor immediately
What not to do with chemicals unless otherwise told
touch, taste, smell
How much chemical should you take?
as much as you need only
What should you do before getting a chemical out
check the label twice
What should you do with unused chemicals
do not return them to their original container
How to and how not to fill a pipet
do not use mouth suction
use a rubber bulb or a pipet pump
What to do when transferring reagents from one container to another
hold containers away from your body
What to do with acids
handle with extreme care
add acid to water
swirl or stir solution
be careful of heat, especially with sulfuric acid
How to handle flammable hazardous liquids
handle over a pan to contain spills
never dispense near open flame or heat source
Where not to take chemicals
out of the lab area
How to carry glass tubing
vertical to avoid breakage
How to handle broken glass
never with bare hands
brush and dustpan to clean up
place in designated glass disposal container
what to do when bending glass
allow time for glass to cool
how to tell if something is hot
bring back of hand near it to feel warmth
What to do with a hot apparatus
do not place directly on desk
use insulating pad
What not to do with a container that is being heated
look into it
What to do with heated metal or glass
proceed with caution
use tongs or heat-protective gloves
What not to do with the open end of a test tube
point at someone
What to do with something burning or heating
do not leave it unattended
turn off when not in use
What to do with flames
pull loose hair, clothes, and hands back
do not put anything into the flame unless told to do so
never reach over flame
light flame only when asked to, especially gas ones
what not to do with hot glassware
immerse in cold water
it may shatter
what to do if you don’t know what to do with a piece of equipment
ask instructor
signs of electrical equipment damage
frayed cords, exposed wires, and loose connections
what to do with damaged electrical equipment
report it
do not use it
What to do with glassware before use
check for chips, cracks, and dirt, in which cases you would not use it
How to remove an electrical plug
grasp plug, not cord
hands dry
What to do with wash bottles
fill only with distilled water and use only as intended
what to do with glassware before attempting to put it in a stopper
lubricate it
cases where you lubricate glassware
tubing, thistle tubes, thermometers
How to protect your hands when inserting glass tubing in a rubber stopper
towels or cotton gloves
what happens if a piece of glassware becomes frozen in a stopper
take it to instructor for removal
