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Questions and Answers
What should you never do when handling sharp objects?
Which type of clothing is inappropriate to wear in a laboratory setting?
What should be done if you have known allergies to certain plants or animals?
What is the appropriate action regarding your work area during experiments?
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What is the first thing you should do before starting an experiment?
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What should you never do in the lab according to safety guidelines?
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What is the first action you should take if a chemical splashes in your eyes?
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If you sustain a cut in the lab, what is the correct response?
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What must you do with lab supplies after completing your experiment?
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What is a critical step to take if you notice broken or chipped equipment in the lab?
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What is the appropriate action to take if you notice a safety hazard during a lab experiment?
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Which items should you make sure are not present before starting a lab experiment?
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What should be done with chemicals that are not being used during an experiment?
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When handling sharp objects in the lab, what is the main guideline to follow?
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What should you do with your hands immediately after handling animals in the lab?
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What should you do immediately after a chemical spill occurs?
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When heating a container with chemicals, how should the container be positioned?
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If a burn occurs, what is the first response you should take?
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What must be done with lab supplies once the experiment is finished?
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How should you respond if a chemical accidentally splashes on your skin?
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Study Notes
Laboratory Safety Rules
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General Lab Safety:
- Know the location of safety and first aid equipment in the lab.
- Always wear appropriate attire for lab work, including a lab gown, gloves, and safety goggles.
- Never run in the lab.
- Wash hands thoroughly with soap and hot water after handling animals, specimens, or chemicals.
- Properly dispose of all waste materials as instructed by the teacher.
- Report any known allergies to plants, animals, or chemicals.
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Before Starting an Experiment:
- Read all instructions carefully before beginning an experiment.
- Ask questions if there are any uncertainties about the procedure.
- Check glassware for cracks and equipment for working condition.
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During an Experiment:
- Do not eat, drink, chew gum, or smell chemicals unless instructed.
- Keep the work area neat and clean.
- Never perform unauthorized experiments.
- Report any unsafe conditions immediately.
- Use gloves, tongs, or test tube holders when handling hot objects.
- Never reach across a flame.
- Report all spills immediately.
- If a chemical splashes in your eyes, rinse with water immediately.
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After an Experiment:
- Unplug, dispose of, and wash lab supplies as instructed.
- Clean up your work area before leaving the lab.
- Wash hands thoroughly after handling any materials.
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First Aid:
- For cuts, apply direct pressure to stop bleeding and cover with a clean dressing.
- For burns, apply cold water and immediately notify the teacher.
- If a chemical has been ingested, note the name of the chemical and report to the teacher immediately.
- If a chemical spills on the skin, wash with plenty of water and call your teacher.
- If a chemical splashes in the eye, flush with water using an eyewash bottle or fountain, and call your teacher immediately.
Hazard Symbols
- Toxic/Poisonous: Substances that are poisonous if swallowed or breathed in. Examples: Chlorine, mercury, cyanide.
- Flammable: Substances that catch fire easily when ignited or exposed to water or air. Examples: Kerosene, gasoline, alcohol.
- Explosive: Substances that are at risk of exploding when heated or struck. Examples: Ammonium nitrate, nitroglycerin, flash powder.
- Corrosive: Substances that can cause skin burns or damage on contact. They can also damage metals. Examples: Hydrochloric acid, sulfuric acid, sodium hydroxide.
- Environmental Hazard: Substances that damage or pollute the environment. Examples: Lead, zinc oxide, pesticides.
- Biohazard: Substances or organisms that may cause infection. Examples: Microorganisms, viral samples, medical wastes such as needles.
Laboratory Rules and Management
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Lab Safety
- Handle living organisms or preserved specimens only when authorized by the teacher carefully and with respect
- Know the location of safety and first aid equipment in the lab
- Protect your eyes, face, hands, and body by wearing proper clothing and using protective equipment
- NEVER RUN
- Treat live animals with respect and care
- Always follow teachers instructions and always wash your hands after handling animals or their cages
- Wash your hands with soap and hot water. Lather both sides of your hands and rinse thoroughly.
- NEVER RUN WITH SHARP OBJECTS!
- Handle sharp objects with care, do not use as toys and play around with them.
- Dispose of all waste carefully.
- Any chemical materials are to be disposed of in the area indicated by the teacher.
- All trash and materials need to be put away at the end of the lab session.
- Read ALL directions before starting an experiment
- Listen to teacher’s instructions and ask questions about the things you do not understand
- NEVER touch, taste, or smell chemicals
- Check the glassware if there are cracks and equipment if they are in good working condition
- Know the emergency exit and the locations of all safety equipments available in the laboratory such as fire extinguisher and first aid kit.
- Report any known allergies to plants, flowers, molds, seeds, animals or any other known allergy.
Before an Experiment
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Safety Rule #1
- Wear appropriate attire such as lab gown, gloves, and safety goggles.
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Safety Rule #2
- Do not wear loose clothing and tie back long hair.
- Never wear open shoes or sandals during labs.
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Safety Rule #3
- Read ALL directions before starting an experiment.
- Listen to teacher’s instructions and ask questions about the things you do not understand.
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Safety Rule #4
- NEVER touch, taste, or smell chemicals.
- Check the glassware if there are cracks and equipment if they are in good working condition.
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Safety Rule # 5
- Report any known allergies to plants, flowers, molds, seeds, animals or any other known allergy.
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Safety Rule # 6
- Know the emergency exit and the locations of all safety equipments available in the laboratory such as fire extinguisher and first aid kit.
During an Experiment
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Safety Rule # 1
- Do not eat, taste, drink, smell, or chew gum during experiments unless instructed.
- KEEP your work area neat and clean ALWAYS
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Safety Rule # 2
- Conduct yourself in a responsible manner during lab experiments.
- No horseplay, practical jokes, or pranks
- Notify the teacher immediately if you see something unsafe
- Conduct yourself in a responsible manner during lab experiments.
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Safety Rule # 3
- NEVER perform unauthorized experiments
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Safety Rule # 4
- Report ALL injuries AS SOON AS POSSIBLE
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Safety Rule # 5
- Never reach across a flame.
- When heating or mixing chemicals, make sure that the container is directed away from you or anyone
- Use gloves, tongs, or test tube holders when holding hot objects.
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Safety Rule # 6
- Report all SPILLS as soon as possible
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Safety Rule # 7
- If a chemical splashes in your eyes, rinse them with water immediately.
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Safety Rule # 8
- Report broken/ chipped equipment immediately.
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Safety Rule # 9
- Use caution when using sharp objects.
After an Experiment
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Safety Rule # 1
- Unplug, dispose, and wash lab supplies as you are instructed.
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Safety Rule # 2
- CLEAN UP YOUR MESS WHEN YOU ARE DONE!
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Safety Rule # 3
- Wash your hands after handling classroom pets.
First Aid
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Cuts
- Apply direct pressure to stop any bleeding.
- Cover with a clean dressing.
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Burns
- Apply cold water and call your teacher right away.
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Ingestion of Chemical
- Note the name of the chemical and report to your teacher right away.
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Chemical Spills on Skin
- Wash with large amount of water.
- Call your teacher immediately.
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Chemical in the Eye
- Flush with plenty of water.
- Use eyewash bottle or fountain.
- Report to your teacher right away.
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You are responsible for your safety and the safety of those around you.
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Failure to act in a safe and responsible manner will result in the removal of all science lab privileges.
Hazard Symbols
-
Toxic/ Poisonous
- Substance that are poisonous if swallowed or breathed in
- Examples: Chlorine, Mercury, cyanide
-
Flammable
- Substance that catch fire easily when ignited or exposed to water or air
- Examples: Kerosene, gasoline, alcohol
-
Explosive
- Substance that are at risk of exploding when heated or struck
- Examples: Ammonium nitrate, nitroglycerin, flash powder
-
Corrosive
- Substance that can cause skin burns or damage on contact and can damage metals
- Examples: Hydrochloric acid, sulfuric acid, sodium hydroxide
-
Environmental Hazard
- Substance that damage or pollute the environment
- Examples: Lead, zinc oxide, pesticides
-
Biohazard
- Substance or organisms that may cause infection
- Examples: Microorganism, viral samples, medical wastes such as needles. etc.
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Description
Test your knowledge on essential laboratory safety rules. This quiz covers general lab safety guidelines, procedures before starting experiments, and safety measures during experimental work. Ensure you follow these rules to maintain a safe and productive environment in the lab.
