Safety in the Chemistry
Laboratory
What we have to learn to
do, we learn by doing.
-Aristotle
Lab Expectations
1) Students must be involved in handson, laboratory activities for a
minimum of 20% of the
instructional time
2) Each student is required to
participate in each lab.
Why should safety be a central
focus in our classroom?
1) Protects the
student
2) Protects the
teacher
3) Protects the school
Instruction
Think-Pair-Share (TPS)
1) Think about the video. Identify one safety
precaution that was new to you or one you
have violated in the past.
2) Share your idea with your partner. If it is a
new precaution, explain why it is important. If
it is one you have violated in the past, share
your experience and outcome.
3) Share with the class
Safety Rules
Safety Rules, Cont.
1)Wear safety goggles at all times and a
laboratory apron when necessary.
–
Goggles must be worn per State Law and
because it is a safe practice
–
Students must wear full splash goggles
–
Must be disinfected between uses
Safety Rules, Cont.
2) Conduct only assigned
experiments and only when
teachers is present.
3) Know the locations of all safety
equipment such as the eyewash,
fire extinguisher, emergency
shower, and fire blanket.
4) Know when to use the safety
equipment.
Safety Rules, Cont.
5) Do not chew gum, eat or drink in the lab.
Never taste chemicals.
6) Notify your teacher immediately of any
spills.
7) Report all accidents no matter how slight
to the teacher immediately.
Safety Rules, Cont.
8) Pin or tie back long hair and
roll up loose sleeves when
working in the lab.
9) Do not leave a lit burner
unattended.
10) To avoid contamination, do
not return unused chemicals
to a reagent bottle. Always
discard or pass another
group.
Safety Rules, cont.
11) Do not used chipped or cracked glassware.
Discard it in glass container.
12) When diluting an acid, always pour acid
slowly into water, stirring constantly.
13) When heating a liquid in a test tube, turn
the mouth of a test tube away from
yourself and others.
Safety Rules, cont.
14) Clean up spills and broken glass
immediately. Leave your work area clean
at the end of the lab period.
15) Wash your hands with soap and water
before leaving the lab.
Sketch
1) Draw a picture of the room and place all
safety equipment in their proper locations.
You may only draw or use symbols.
No words.
2) Switch seats with your partner and have
them label your drawing.
3) Check your accuracy
Minor Accidents
Safe Response
Situation
1)
Burns

2)
Fainting


3)
Eye Injury
Immediately flush with cold
water until the burning
sensation subsides.
Move to fresh air. Move
the person so that the head
is lower than the rest of the
body
Immediately flush the eye
with running water for 10
minutes. Remove contact
lenses. Do not rub if
foreign object is present.
Minor Accidents, cont.
Situation
4) Minor Cuts
5) Poisoning
6) Spills on skin
Safe Response
 Allow to bleed
briefly. Wash with
soap and water.
 Note what substance
was responsible.
Alert teacher
immediately.
 Flush with water.
Minor Accidents, cont.
Situation
7) Fire
Safe Response
 Turn off all gas outlets.
Unplug appliances. Use
fire blanket if someone's
clothes are on fire. Set
beaker or watch glass to
cover and smother a
small fire. Use fire
extinguisher to smother
larger fires.
Proper Disposal
1) Make sure chemicals are
disposed of properly. Ask
if you are unsure.
2) No solids in the sink
3) Broken glass and sharp
objects should be placed
in broken glass container.
Safety Contract
1) Safety Contract for All Students
2) Contact Lens Contract
Ticket out the door
List 3 things you learned that were new
to you today.