Podcast
Questions and Answers
Which item is NOT allowed in the laboratory?
Which item is NOT allowed in the laboratory?
It is permissible to eat food in the laboratory.
It is permissible to eat food in the laboratory.
False
What should you do if there is an accident in the laboratory?
What should you do if there is an accident in the laboratory?
Report it to the instructor immediately.
All students must wear _____ during laboratory activities.
All students must wear _____ during laboratory activities.
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Match the following actions with their corresponding safety rules:
Match the following actions with their corresponding safety rules:
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What should you do before using laboratory equipment?
What should you do before using laboratory equipment?
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Students may work alone in the lab if they feel confident.
Students may work alone in the lab if they feel confident.
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What type of shoes is prohibited in the laboratory?
What type of shoes is prohibited in the laboratory?
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What should be done with electrical equipment when not in use?
What should be done with electrical equipment when not in use?
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It is safe to return unused chemicals to their original containers.
It is safe to return unused chemicals to their original containers.
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What is the proper technique for wafting chemical vapors?
What is the proper technique for wafting chemical vapors?
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Always keep work areas clean and ______.
Always keep work areas clean and ______.
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Match the following safety practices with their descriptions:
Match the following safety practices with their descriptions:
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Which of the following is a correct way to fill a pipet?
Which of the following is a correct way to fill a pipet?
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All living organisms used in laboratory activities should be treated with respect.
All living organisms used in laboratory activities should be treated with respect.
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What should be checked before removing the contents of a chemical bottle?
What should be checked before removing the contents of a chemical bottle?
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What is the primary purpose of the Student Safety Contract?
What is the primary purpose of the Student Safety Contract?
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Students are allowed to catch falling sharp instruments.
Students are allowed to catch falling sharp instruments.
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What should students know the locations of in the laboratory?
What should students know the locations of in the laboratory?
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Always carry knives and other sharp instruments with tips and points pointing ______ and away.
Always carry knives and other sharp instruments with tips and points pointing ______ and away.
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Match the following safety items with their functions:
Match the following safety items with their functions:
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What must students do if they have a medical condition before working in the lab?
What must students do if they have a medical condition before working in the lab?
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It is safe to place your head into the fume hood while working.
It is safe to place your head into the fume hood while working.
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What should students do in the laboratory to ensure their safety?
What should students do in the laboratory to ensure their safety?
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What is the correct procedure for diluting strong acids?
What is the correct procedure for diluting strong acids?
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It is safe to immerse hot glassware in cold water.
It is safe to immerse hot glassware in cold water.
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What should you do when handling flammable hazardous liquids?
What should you do when handling flammable hazardous liquids?
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Always add acid to ______ to ensure safety.
Always add acid to ______ to ensure safety.
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What action is acceptable when using a gas burner?
What action is acceptable when using a gas burner?
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A violation of safety rules is acceptable if no one gets hurt.
A violation of safety rules is acceptable if no one gets hurt.
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What should you do if you're unsure about a laboratory procedure?
What should you do if you're unsure about a laboratory procedure?
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What should you use when handling heated glassware?
What should you use when handling heated glassware?
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You should always look into a container that is being heated to observe the reaction.
You should always look into a container that is being heated to observe the reaction.
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What type of water should wash bottles be filled with?
What type of water should wash bottles be filled with?
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Always protect your hands with towels or cotton ______ when inserting glass tubing into a rubber stopper.
Always protect your hands with towels or cotton ______ when inserting glass tubing into a rubber stopper.
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Match the following actions with their safety precautions:
Match the following actions with their safety precautions:
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If a piece of glassware becomes ‘frozen’ in a stopper, what should you do?
If a piece of glassware becomes ‘frozen’ in a stopper, what should you do?
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Hot and cold glass have the same visual appearance.
Hot and cold glass have the same visual appearance.
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Who must sign the contract before a student can perform laboratory activities?
Who must sign the contract before a student can perform laboratory activities?
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What should you do before handling electrical equipment in a laboratory?
What should you do before handling electrical equipment in a laboratory?
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It is acceptable to use chipped glassware if it doesn't look dangerous.
It is acceptable to use chipped glassware if it doesn't look dangerous.
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What should be reported immediately in a laboratory setting?
What should be reported immediately in a laboratory setting?
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You should always grasp the _____ when unplugging an electrical device.
You should always grasp the _____ when unplugging an electrical device.
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Which of the following is NOT a safety protocol mentioned?
Which of the following is NOT a safety protocol mentioned?
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It is safe to use water for rinsing glassware in a laboratory.
It is safe to use water for rinsing glassware in a laboratory.
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What should you do if you have specific allergies?
What should you do if you have specific allergies?
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Study Notes
Student Safety Contract
- Purpose: Science is a hands-on lab class requiring hazardous chemicals. Safety is paramount for students, teachers, and parents.
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General Rules:
- Conduct yourself responsibly in the lab.
- Follow all instructions. Ask if unsure.
- Never work alone.
- Don't touch equipment, chemicals, or materials before instructed.
- No food, drinks, or gum in the lab.
- Perform only authorized experiments.
- Be prepared and read procedures thoroughly.
- No fooling around or horseplay.
- Keep the lab clean and tidy.
- Bring only necessary materials.
- Keep aisles clear.
- Safety Equipment: Know locations and operating procedures for safety equipment (first aid, eye wash, safety shower, fire extinguisher, fire blanket). Know fire alarm, exit locations.
- Ventilation: Work in a well-ventilated area. Use fume hoods for volatile substances.
- Caution: Be alert and proceed cautiously. Notify instructor of unsafe conditions.
- Waste Disposal: Dispose of chemical waste properly. Sinks are for water and designated solutions; do not mix chemicals in sinks.
- Labels and Equipment: Read labels and instructions before use. Set up and use equipment as directed.
- Personal Protection: Keep hands away from face, eyes, mouth, and body during chemical or specimen use.
- Hand Washing: Wash hands after every experiment.
- Monitoring: Experiments must be monitored.
- No unauthorized access: Students aren't allowed in storage rooms unless given permission.
- Emergencies: Know emergency procedures for fire drills, be aware of steps to take in case of a fire drill, close containers, turn off gas, fume hoods and electric devices.
- Living Organisms: Treat living organisms humanely in lab activities; handle preserved biological materials with respect.
- Sharp Instruments: Always carry sharp instruments with tips/points pointing away from body. Cut away from the body, never catch a falling sharp instrument.
- Disclaimers/Medical Conditions: If you have a medical condition (allergies, pregnancy), inform your physician.
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Clothing:
- Wear lab goggles when chemicals or glassware are used.
- Contact lenses permitted with proper safety goggles for chemical exposure.
- Appropriate clothing (long hair tied back, no dangling jewelry, no baggy clothing, closed-toe shoes).
- Accidents and Injuries: Report all accidents, spills, breakage, injuries (cuts, burns) immediately, no matter how small.
- Spills and Chemical Exposures: If a chemical splashes in eyes or on body: immediately flush with running water (eye wash or safety shower) for 20 minutes. Alert instructor.
- Mercury Thermometers: If broken, do not touch mercury. Alert the instructor immediately.
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Chemicals: Treat all lab chemicals as dangerous. Don't touch, taste, or smell unless instructed. Learn proper wafting technique for chemical vapors.
- Check labels before removing any chemicals, and only take what you need.
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Glassware:
- Carry glass tubing vertically (to minimize breakage/injury).
- Never handle broken glass with bare hands. Use a brush and dustpan to clean up broken glass. Dispose of broken glassware into the proper container.
- Lubricate glassware before inserting it in a stopper.
- Examine glassware before each use, never use chipped/cracked or dirty glassware.
- Electrical Equipment: Report damaged electrical equipment immediately. Don't use damaged electrical equipment.
- Heating Substances: Exercise caution when using gas burners. Never put substances into the flame unless instructed. Turn off burners/hot plates when not in use.
- Hot Substances: Allow plenty of time for hot objects/apparatus to cool before touching them, use insulated pads. Do not immerse hot glassware in cold water (may shatter).
- Acid Handling: Handle acids with extreme care. Add acid to water, and swirl. Be careful of heat, especially with sulfuric acid.
- Flammable Substances: Handle flammables over a pan containing spills; keep away from open flames or heat sources, and never remove chemicals from the laboratory area.
- Transportation: Carefully transport chemicals from one area to another.
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Description
This quiz covers the essential safety rules and guidelines for conducting experiments in a science lab. It emphasizes the importance of responsible behavior, knowledge of safety equipment, and proper lab conduct to ensure a safe learning environment. Familiarize yourself with these vital practices to protect yourself and others during hands-on activities.
