Introduction
Credits
Introduction
• This assignment will familiarize you with the
lab safety required to ensure that you will be
safe and have fun while doing the lab. Please
take everything you learn with the
information seriously.
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Main Menu
Proper
Attire and
Behavior
Hazard
Signs
Handling
Heat and
Fire
Quiz
Handling
Chemicals
Credits
Handling
Glassware
& Electrical
Proper Attire
• Always wear closed-toe shoes.
– Sandals are not allowed.
• Long hair should be tied back, along
with clothes that have baggy sleeves.
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Proper Attire
• Lab coats/aprons and goggles will be
provided if necessary for the
experiment and should be worn at all
times during the experiment.
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Proper Behavior
• Do not push within the lab, or run around
the lab.
• Never play with
lab equipment or materials.
• Always follow instructions (verbal and
written) and wait until you are told to begin
before starting the investigation.
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Proper Behavior
• Only carry out experiments assigned.
• Never eat or taste anything in the
laboratory.
– This includes food, drink, gum, as well as
chemicals found in the lab.
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Proper Behavior
• Keep your work area clean.
– Keep books and other nonessential items away
from the work area.
• Keep all equipment well away from the
edge of the table.
• Dispose of waste materials in the
appropriate containers as directed by the
teacher.
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Proper Behavior
• Be familiar with procedures to be used
in the event of a lab emergency.
– Fire, tornado, etc.
• Turn off all equipment used
during the experiment after
the experiment has
concluded.
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Proper Behavior
• Wash your hands before and after every
experiment, even if you did not handle
chemicals.
• MOST IMPORTANT: Report all
injuries or accidents to your teacher
immediately no matter how small
they seem!
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Handling Chemicals
• When labeling the contents of a container,
label the empty container first; then add
the corresponding material to the labeled
container.
– This procedure avoids the chance of a spill
occuring and/or cross-contamination.
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Handling Chemicals
• When mixing an acid to water, always add
the acid to the water.
• Avoid touching chemicals with your hands.
– If chemicals do come in contact with your
skin, notify your teacher and wash the
affected area immediately.
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Handling Chemicals
• Keep chemical containers firmly
closed when not in use.
• Do not take more chemical than needed
from its container, and do not return
unused chemicals to the stock bottles.
– Dispose of excess chemicals as directed by
the teacher.
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Handling Heat and Fire
• Never heat anything unless
instructed to do so.
– Some chemicals may
explode or catch fire
if heated.
• Never heat a liquid in a closed container.
– Could cause the pressure to become too
great within the container and cause an
explosion.
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Handling Heat and Fire
• Whenever possible, use a hot plate for
heating.
– Use a gas burner only when specifically
told to do so.
• When heating materials, be sure the
containers are made of heat-proof glass.
• Never point a test tube or container at
anyone.
– Be especially careful with heated test tubes.
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Handling Heat and Fire
• Use test tube holders or tongs to
handle hot items.
• Do not put your hands or face over any
substance being heated.
• Never leave anything unattended that is
being heated.
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Handling Glassware
• Do not use cracked or badly chipped
glassware.
– Chemicals could leak or heating
the glass could cause it to shatter.
• If a glass happens to break during the lab,
never handle broken glass with your bare
hands.
– Cleanup broken glass and dispose of it as
directed by your teacher.
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Handling Glassware
• Do not place hot glassware directly on the lab
table. Always use an insulating pad of some
sort.
• Allow plenty of time for hot glass to cool
before touching it.
– Remember, hot glass shows no visible signs of its
temperature and can cause painful burns.
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Handling Electrical Equipment
• Never touch cords or electrical equipment
with wet hands.
• Grasp the plug when disconnecting an
electrical cord from an outlet. Do not pull on
the cord.
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Hazard Signs
Compressed
Gas
When the container is
ruptured, it can
become a projectile
with the potential to
cause significant
damage.
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Combustible
A substance that
can catch fire easily.
Oxidizing
Material
This type of
substance gives
of a large amount
of heat when in
contact with other
substances.
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Hazard Signs
Poison
Radioactive
Corrosive
A substance that is
poisonous if
swallowed or
breathed in. It may
even go through your
skin!
Radiation can
damage cells and
cause cancer.
A substance that
may destroy living
tissue on contact.
It causes a burn.
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Question 1
What does this symbol represent?
A. Corrosive
B. Radioactive
C. Compressed Gas
D. Combustible
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Question?
Question 2
What should you do in case of breaking
glass?
A. Tell the teacher
B. Try to pick it up with bare hands
C. Kick it under the desk
D. Nothing at all
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Question?
Question 3
What is not required to be worn during lab?
A. Goggles
B. Lab coat/apron
C. Closed-toe shoes
D. White socks
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Question?
Question 4
True or False
You should read and listen to all instructions
and follow them all completely
True
False
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Question?
Question 5
What does it mean for combustible
materials?
A. It will poison.
B. It will react with other materials.
C. It will explode if heated.
D. It will explode if ruptured.
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Question 6
What is proper behavior during a lab?
A. Running around the lab
B. Remaining at table and preforming lab
C. Smelling every chemical
D. Mixing chemicals without instruction
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Question?
Question 7
What does this symbol represent?
A. Corrosive
B. Combustible
C. Poison
D. Radioactive
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Again?
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CREDITS
Information
Credits
TEKS
Photo
Credits
TEKS
• The student, for at least 40% of instructional time,
conducts laboratory and field investigations using
safe, environmentally appropriate, and ethical
practices. The student is expected to:
– (A) demonstrate safe practices during laboratory and field
investigations; and
– (B) demonstrate an understanding of the use and conservation
of resources and the proper disposal or recycling of materials.
http://ritter.tea.state.tx.us/rules/tac/chapter112/ch112c.html
•
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§ 112.34.C.1
Photo Credits
• http://www.marcomltd.com/marcomUI/images/TitleIcons/lss/LSS_SafeHa
ndlingOfLabGlass.gif
• http://1.bp.blogspot.com/M7DtqXUrzxo/T7hWgDdnJAI/AAAAAAAAAAg/zRxDLW1n1Ns/s1600/%5D.j
pg
• http://www2.worksafebc.com/i/whmis/Symbols&Labels/SymbolA_sm.gif
• http://www2.worksafebc.com/i/whmis/Symbols&Labels/SymbolB_sm.gif
• http://www.thecompliancecenter.com/store/media/catalog/product/cach
e/1/image/325x/9df78eab33525d08d6e5fb8d27136e95/l/b/lb484_hi_2.gi
f
• http://www.cads.ca/links/sym4.gif
• http://www.wallstickz.com/images/uploads/biohazard.jpg
• http://www.cads.ca/links/sym7.gif
• Clip art
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Information Credit
• Jefferson High School Laboratory:
http://www.jefftwp.org/highschool/lisasweb3
/PDF/lab%20safety%20guidelines.pdf
• Applied Science:
http://www.ngflcymru.org.uk/vtc/ngfl/science/103_new/asc1/
hazardsymbol.htm
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