This document provides safety rules and guidelines for a science laboratory. It discusses the importance of knowing safety symbols, exercising caution, wearing proper protective equipment like goggles and closed-toe shoes, handling chemicals and equipment carefully, keeping work areas clean and organized, and reporting any accidents or injuries immediately. Specific guidelines are given for electrical, heating, cutting, chemical, biological, and other hazards that may be present in a lab. Students are instructed to never engage in horseplay, eat or drink in the lab, or remove chemicals from the classroom.
Laboratory safety
Your science laboratory must be a safe place to work and learn in. In doing any science activities, you must take responsibility for your own safety and the safety of others. The following guidelines will help you carry out science activities safely.
Personal Safety
1. Always obtain your teacher’s permission before performing any activity.
2. Always read and understand an activity thoroughly before doing it.
3. Always wear goggles when you see a corrosive symbol at the beginning of the activity.
4. Never run or play in the laboratory room.
5. If you have long hair, always tie it back before performing an experiment.
6. Always know where the following are kept: fire extinguisher, first aid kit, eyewash bath, and shower area. Know where the fire alarm and the nearest telephone are. Learn how to use them.
Safety in Handling Plants
1. Use caution when collecting or handling plants.
2. Do not eat or taste any unfamiliar plants or plant parts.
3. If you are allergic to pollen, do not work with plants or plant parts.
Safety in Handling Animals
1. Handle animals with care. If you are bitten or scratched by an animal, inform your teacher.
2. Do not bring wild animals in the classroom.
3. Do not cause pain, discomfort, or injury to an animal. Be sure that animals kept for observation are given the proper food, water, and living space.
4. Wear gloves when handling live animals. Always wash your hands with soap and water after handling them.
Eye Safety
1. Wear your laboratory safety goggles when you are working with chemicals, open flame, or any substances that may be harmful to your eyes.
2. If chemicals get into your eyes, flush them out with plenty of running water. Inform your teacher immediately.
Safety in Using Flammable and Hot Objects
1. Turn off heat sources when they are not in use.
2. Point test tubes away from yourself and others when heating substances in them
3. Use the proper procedure when lighting an alcohol lamp or Bunsen burner.
4. To avoid burns, do not handle heated glassware or materials directly. Use tongs, test tube holders, or heat-resistant gloves.
Glassware Safety
1. Check glasswares for chips or cracks. Broken, cracked, or chipped glassware should not be used. It should be given to the teacher for proper disposal.
2. Do not force the stopper into a glass tubing. Follow your teacher’s instructions.
3. Clean glasswares and dry them.
Safety in Handling Chemicals
1. Never dispose any solid or liquid chemicals and materials in the sink.
2. Use the proper container or utensils for chemicals. Never handle chemicals with your bare hands.
3. Keep your hands away from your face when working with chemicals. Never taste or put chemicals into your mouth.
4. Always clean up spills immediately. Acid spills may be treated with baking soda. Base spills may be treated with boric acid.
Reference:
Evelyn Castante-Padpad (2015). The New Science Links 6. REX Bookstore, Inc. (RBSI).
Laboratory safety
Your science laboratory must be a safe place to work and learn in. In doing any science activities, you must take responsibility for your own safety and the safety of others. The following guidelines will help you carry out science activities safely.
Personal Safety
1. Always obtain your teacher’s permission before performing any activity.
2. Always read and understand an activity thoroughly before doing it.
3. Always wear goggles when you see a corrosive symbol at the beginning of the activity.
4. Never run or play in the laboratory room.
5. If you have long hair, always tie it back before performing an experiment.
6. Always know where the following are kept: fire extinguisher, first aid kit, eyewash bath, and shower area. Know where the fire alarm and the nearest telephone are. Learn how to use them.
Safety in Handling Plants
1. Use caution when collecting or handling plants.
2. Do not eat or taste any unfamiliar plants or plant parts.
3. If you are allergic to pollen, do not work with plants or plant parts.
Safety in Handling Animals
1. Handle animals with care. If you are bitten or scratched by an animal, inform your teacher.
2. Do not bring wild animals in the classroom.
3. Do not cause pain, discomfort, or injury to an animal. Be sure that animals kept for observation are given the proper food, water, and living space.
4. Wear gloves when handling live animals. Always wash your hands with soap and water after handling them.
Eye Safety
1. Wear your laboratory safety goggles when you are working with chemicals, open flame, or any substances that may be harmful to your eyes.
2. If chemicals get into your eyes, flush them out with plenty of running water. Inform your teacher immediately.
Safety in Using Flammable and Hot Objects
1. Turn off heat sources when they are not in use.
2. Point test tubes away from yourself and others when heating substances in them
3. Use the proper procedure when lighting an alcohol lamp or Bunsen burner.
4. To avoid burns, do not handle heated glassware or materials directly. Use tongs, test tube holders, or heat-resistant gloves.
Glassware Safety
1. Check glasswares for chips or cracks. Broken, cracked, or chipped glassware should not be used. It should be given to the teacher for proper disposal.
2. Do not force the stopper into a glass tubing. Follow your teacher’s instructions.
3. Clean glasswares and dry them.
Safety in Handling Chemicals
1. Never dispose any solid or liquid chemicals and materials in the sink.
2. Use the proper container or utensils for chemicals. Never handle chemicals with your bare hands.
3. Keep your hands away from your face when working with chemicals. Never taste or put chemicals into your mouth.
4. Always clean up spills immediately. Acid spills may be treated with baking soda. Base spills may be treated with boric acid.
Reference:
Evelyn Castante-Padpad (2015). The New Science Links 6. REX Bookstore, Inc. (RBSI).
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Injury, damage and loss by fire can be minimized when laboratory staff:
Understand how fires are caused and spread;
Reduce the risk of fire by following fire safety regulations at all times;
Know what to do if there is a fire in their laboratory;
Know how to use fire fighting equipment;
Know how to apply emergency First Aid, for burns.
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2. Lab Safety Rules
Directions: You may want to number
the top or button and do this like
matching .
•Please read each slide to gather
information then match the symbol with
it’s definition. (You may want to number
them and then cut and glue the correct
information)
•Credit: Part of this PowerPoint has been taken from the power point of….
Tim Baker, Adam Kueltzo, and Todd Katz….former NCHS students
•And from Lyndon B. Johnson High School Science Web Site
3. Safety Symbols
• Know safety symbols
• They appear in your
laboratory activities
• They will alert you
to possible dangers
• They will remind you
to work carefully
4. Use Your Head
• Exercise Caution and
Good Judgment
• Follow all instructions
given by the teacher
• Notify the teacher
immediately regarding
any accident or unsafe
areas
5. Use Your Head
• Read lab instructions ahead of time
• Always follow lab procedures exactly
• Never do an unauthorized experiment
6. Protect Yourself
Eye Safety
• Wear safety goggles when
working with chemicals, flames,
or heating devices
• or if possibility of flying debris
• If you wear contact
lenses let your
teacher know
7. Protect Yourself
Eye Safety• In case of emergency in
which a chemical goes
into one’s eye, use the
eyewash station
• Flush in water for 15
mins. and notify the
teacher
8. CLOTHING/ Protect Yourself
Proper Attire
• Keep all long hair
tied back
• Do not wear loose
clothing that could
catch on fire
• Foot wear that
completely covers the
foot is required
9. Protect Yourself
THERMAL& Hand Safety
• If a chemical spills on your skin, notify the
teacher and rinse with water for 15 minutes
• Wash hands after every lab
• Handle
glassware,
sharp tools
and heated
containers
carefully
13. Electrical Safety
• Only electrical plugs
are to be placed into
an electrical outlet
• Unplug electrical
equipment after use
• Keep all electrical
cords, wires, and
appliances
away from
water
14. Physical Safety
• Handle all equipment carefully
• Do not place a cord where someone can trip
over it
• Push all chairs in out of the way
• Keep books/ bags picked up out
of walking isles
15. OPEN FLAME ALERT
Heating Safety
• Tie back hair and loose
clothes when working
with open flames
• Never look into a
container as you
are heating it
• Never point the end of
a test tube being heated
at yourself or others
• Never heat in a closed container
16. Chemical/ Poison Safety
• Read all labels twice before removing
a chemical from the container
• Only use the type and
amount of chemical
instructed to use
• Never touch, taste, or
smell a chemical unless instructed by the teacher
• Never mix chemicals
unless instructed to do so
17. Chemical/ Poison Safety
• Transfer chemicals carefully!
• Keep lids on chemical containers when not in use
• When diluting an acid, pour the
acid into water
• Consider all chemicals dangerous
25. You Should Never…
• Take any
chemicals from lab
• Touch any
equipment,
chemicals, or other
materials until
instructed to do so
26. You Should Never…
• Eat or drink in the lab
• Use lab glass-ware to
eat or drink out of
27. • Engage in….
– practical jokes
– horse play
– rough house
You Should Never…
28. In case of an emergency…
• Know the locations of:
– fire extinguisher
– fire blanket
– body shower
– eyewash
station
– first aid kit
• If you spill a harmful chemical
on yourself or in your eyes, start
rinsing immediately and send
your partner to get teacher’s help
29. Remember to…
• Stay at your work station
• Maintain a clean work area
• Read and follow all directions
• Report any spills, accidents,
or injury to the teacher immediately
• Clean and put away all equipment at the end of the
lab period
• Dispose of waste products according to instruction
