Transcript Safety in the Science Classroom: Steps to Prove You are a

Lab Safety
Milton High School
Steps to Prove You are a Responsible
Science Student





Read lab safety contract
Follow all lab safety procedures
Notify the teacher immediately when a lab
accident occurs
Correct your classmates when they fail to
follow lab procedures
Follow instructions
Where and Why Science
Accidents Occur




Student failure to read and understand
instructions
Failure to enforce safety in the lab
Poorly written lab instructions
Overcrowded science classrooms
Overcrowded Classrooms




Minimize your movement around classroom
Bookbags should be placed out of the way
and not in the aisles
Listen carefully to all instructions
Ask questions when in doubt
When do student’s need to wear
goggles?
Circumstances requiring eyeprotective devices




Anytime a student is engaged in an activity or is
observing the use of hazardous substances likely to
cause injury to the eyes
Working with hot metal
Working with hot liquids or solids or with chemicals
that are flammable, toxic, corrosive to living tissues,
irritating, strongly sensitizing, or that generate
pressure through heat, decomposition, or other
means
Working with materials or equipment under stress,
pressure, or force that might cause fragmentation
Should students wear safety goggles when heating water?
Do you see any safety violations in this picture?
You are working on a lab activity which involves
the use of concentrated hydrochloric acid. You
begin to smell an unusual odor in the classroom.
What actions do you take?
What are the safety precautions necessary for the
dissection of a flower?
A very simple
activity – what
might go
wrong?
Goggles should remain on until all
students have finished cleaning up after
the lab – there is still potential for
chemical splashes and broken glassware
during clean-up
No sandals during lab
Closed-toe
shoes will
be worn
during lab
Do you see anything wrong in this picture?
When do you
add water to
acid?
NEVER ADD
WATER TO ACID
– YOU SHOULD
ADD ACID TO
If a chemical
splashes in your
eye(s) or on your
skin, immediately
flush with running
water for at least
20 minutes and
notify the teacher
immediately
Why are students not allowed in the lab
storage room?
In case of an emergency be sure all
containers are closed and gas valves
and electrical equipment is turned off
No food or drink in
the lab
No horseplay,
practical jokes or
pranks in the lab
Long hair should be tied back
Keep flammable liquids away from
an open flame