Science Lab Safety Quiz

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Lab Safety Quizzes & Trivia

This is a short quiz on lab safety in a high school science class. It is meant to be a practice quiz, but do the best you can!


Questions and Answers
  • 1. 

    Why is it important to know the names and appearance of lab equipment before doing laboratory work?

    • A.

      So you will score higher on the lab test.

    • B.

      So you can quickly obtain your laboratory supplies before lab.

    • C.

      So you can follow the lab instructions clearly.

    • D.

      So you can make sure everything has been cleaned before beginning the lab procedure.

    Correct Answer
    C. So you can follow the lab instructions clearly.
    Explanation
    Knowing the names and appearance of lab equipment before doing laboratory work is important so that you can follow the lab instructions clearly. By familiarizing yourself with the equipment, you will be able to understand the instructions better and perform the experiments accurately. This will help you avoid mistakes and ensure that you are following the correct procedures. Additionally, knowing the equipment beforehand allows you to plan and organize your work efficiently, saving time and minimizing the risk of errors.

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  • 2. 

    What is the correct procedure to follow when smelling the odor of a chemical substance?

    • A.

      Fan your hand over the substance toward your nose which should be directly over the beaker.

    • B.

      Place your nose directly over the substance and take a big whiff.

    • C.

      Fan your hand over the substance toward your nose which should be several centimeters away from the substance.

    • D.

      Place your nose near the opening of the beaker and inhale.

    Correct Answer
    C. Fan your hand over the substance toward your nose which should be several centimeters away from the substance.
  • 3. 

    Which of the following is NOT a safe lab practice?

    • A.

      Keep chemicals, glassware, and other equipment away from the edge of the lab table.

    • B.

      After removing glassware from a heat source touch it right away to see if it is cool.

    • C.

      Report minor accidents to your lab supervisor and/or teacher.

    • D.

      Heat chemicals in a flask without a stopper.

    Correct Answer
    B. After removing glassware from a heat source touch it right away to see if it is cool.
    Explanation
    The correct answer is "After removing glassware from a heat source touch it right away to see if it is cool." This is not a safe lab practice because the glassware may still be hot and can cause burns or injuries if touched immediately after being removed from a heat source. It is important to allow the glassware to cool down before handling it to ensure safety in the laboratory.

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  • 4. 

    Which of the following does NOT help explain why contact lenses should not be worn in lab?

    • A.

      It is difficult to remove lenses after a chemical splash

    • B.

      The lens is permeable to vapors, which cause irritation

    • C.

      Chemicals trapped under lens will cause severe damage

    • D.

      Contact lenses may not provide adequate vision correction.

    Correct Answer
    D. Contact lenses may not provide adequate vision correction.
    Explanation
    Option D is the correct answer because it does not explain why contact lenses should not be worn in a lab. It is unrelated to the safety concerns associated with wearing contact lenses in a lab environment. In fact, contact lenses are often worn for vision correction and can be a valid choice unless other safety considerations are at play. The other options provide valid reasons such as difficulty in removing lenses after a chemical splash, irritation caused by vapors, and the potential for chemicals trapped under the lens to cause severe damage.

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  • 5. 

    Which of the following is considered safety equipment in our classroom?

    • A.

      Sink

    • B.

      First aid kit

    • C.

      Fire extinguisher

    • D.

      All of the above

    • E.

      A and B only

    Correct Answer
    D. All of the above
    Explanation
    The correct answer is "All of the above". This means that all of the options listed (sink, first aid kit, and fire extinguisher) are considered safety equipment in our classroom. A sink can be used for emergencies such as washing off chemicals, a first aid kit is essential for providing medical assistance, and a fire extinguisher is used to control or extinguish fires. Therefore, all three options are important safety equipment in a classroom setting.

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  • 6. 

    What is the correct procedure for students to follow if a chemical is spilled:

    • A.

      Stand back and advise the teacher of the spill.

    • B.

      Run madly about the room.

    • C.

      Splash large amounts of water onto the spill.

    • D.

      Immediately ask to go to the restroom.

    • E.

      Tell everyone that your friend did it and that "Ooooh, they are in BIG trouble!".

    Correct Answer
    A. Stand back and advise the teacher of the spill.
    Explanation
    The correct procedure for students to follow if a chemical is spilled is to stand back and advise the teacher of the spill. This is the most appropriate and responsible action to take in order to ensure the safety of everyone in the classroom. Running madly about the room, splashing water onto the spill, immediately asking to go to the restroom, or blaming someone else are not appropriate or effective responses to a chemical spill.

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  • 7. 

    I can perform an experiment of my own when:

    • A.

      When I am sure it is safe to do so.

    • B.

      Whenever I want to.

    • C.

      Only with permission from the teacher.

    • D.

      Never.

    Correct Answer
    C. Only with permission from the teacher.
    Explanation
    The correct answer is "Only with permission from the teacher." This means that performing an experiment on your own is only allowed if you have the teacher's approval. This is important because experiments can sometimes be dangerous or require specific knowledge and guidance. By seeking permission from the teacher, you ensure that you are following proper protocols and taking necessary precautions to ensure your safety and the success of the experiment.

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  • 8. 

    Keeping the work area neat and clean is important because:

    • A.

      Mrs. Cook is a neat-freak

    • B.

      I won't lose my supplies in the clutter.

    • C.

      It keeps the room from looking messy.

    • D.

      It helps prevent accidents.

    Correct Answer
    D. It helps prevent accidents.
    Explanation
    Keeping the work area neat and clean is important because it helps prevent accidents. A cluttered workspace can lead to tripping hazards or objects falling and causing injuries. By maintaining a tidy environment, the risk of accidents is reduced, ensuring a safer working environment for everyone.

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  • 9. 

    If you are not sure what to do during a lab activity:

    • A.

      Guess.

    • B.

      Change lab partners.

    • C.

      Ask the teacher.

    • D.

      Just sit quietly and do nothing.

    Correct Answer
    C. Ask the teacher.
    Explanation
    During a lab activity, it is important to seek guidance if unsure about what to do. Asking the teacher for clarification or instructions ensures that the activity is carried out correctly and safely. It is a proactive approach that demonstrates responsibility and a desire to learn. Guessing, changing lab partners, or doing nothing may lead to mistakes, confusion, or potential hazards.

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  • 10. 

    Goggles must be worn when using

    • A.

      Fire.

    • B.

      Glassware.

    • C.

      Chemicals.

    • D.

      All of the above.

    • E.

      None of the above.

    Correct Answer
    D. All of the above.
    Explanation
    The correct answer is "All of the above." Goggles must be worn when using fire, glassware, and chemicals because these activities pose potential risks to the eyes. Fire can cause sparks or debris to fly, glassware can shatter and cause injury, and chemicals can splash or emit harmful fumes. Wearing goggles provides protection and reduces the risk of eye damage in these situations.

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  • 11. 

    You should tie back long hair and/or baggy clothes when:

    • A.

      Working near fire.

    • B.

      Using chemicals in the lab.

    • C.

      Trying to impress a friend.

    • D.

      A and B

    • E.

      A and B and C

    Correct Answer
    D. A and B
    Explanation
    When working near fire or using chemicals in the lab, it is important to tie back long hair and/or wear baggy clothes. This is because loose hair or clothing can easily catch fire or come into contact with hazardous chemicals, leading to accidents or injuries. By tying back hair and wearing fitted clothes, the risk of these incidents can be minimized, ensuring safety in the workplace.

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  • 12. 

    You should be sure equipment is clean:

    • A.

      Before you use it.

    • B.

      After you use it.

    • C.

      Cleanliness doesn't matter.

    • D.

      Both A and B.

    • E.

      A, B, and C.

    Correct Answer
    D. Both A and B.
    Explanation
    The correct answer is both A and B. This means that you should ensure equipment is clean both before and after you use it. This is important for maintaining hygiene and preventing the spread of germs or contaminants. Cleaning equipment before use ensures that it is safe and ready for use, while cleaning it after use helps to remove any dirt, residue, or bacteria that may have accumulated during the activity. By following these steps, you can ensure the equipment's cleanliness and promote a safe and healthy environment.

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  • 13. 

    A spill can cause an accident.  Clean up a spill:

    • A.

      When you have time.

    • B.

      After the teacher has told you 3 or more times.

    • C.

      At the end of the lab.

    • D.

      Immediately.

    Correct Answer
    D. Immediately.
    Explanation
    It is important to clean up a spill immediately because it can cause an accident. Delaying the cleanup increases the risk of someone slipping or tripping on the spilled substance, which can result in injuries. Cleaning up the spill immediately helps ensure the safety of everyone in the area and prevents any potential accidents or injuries.

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  • 14. 

    What is the correct answer to the following statement:  You should always pipette by mouth.

    • A.

      Always - it is a fast and efficient method for transferring liquids in the lab.

    • B.

      Only when you can't find a pipette bulb or think it might be dirty.

    • C.

      Only when you are sure that the teacher, your lab partner, and Guttatta, Snapple, and Vincent and VanGogh aren't looking.

    • D.

      Never - and if you thought yes to any of the other choices you should be given only bread and water for a week.

    Correct Answer
    D. Never - and if you thought yes to any of the other choices you should be given only bread and water for a week.
    Explanation
    The correct answer is "Never - and if you thought yes to any of the other choices you should be given only bread and water for a week." This answer emphasizes the importance of not pipetting by mouth in the lab. It also adds a humorous consequence for considering the other choices, highlighting the seriousness of the safety issue.

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  • 15. 

    In the lab sharp object should be carried

    • A.

      With the points facing out to the front.

    • B.

      With the point down and away from the body.

    • C.

      With the point covered up by your hand.

    • D.

      So that the point will give your lab partner a pretty good jab.

    Correct Answer
    B. With the point down and away from the body.
    Explanation
    In a lab, it is important to carry sharp objects with the point down and away from the body to minimize the risk of accidents or injuries. Carrying the sharp object in this manner ensures that if it were to slip or fall, it would not cause harm to the person carrying it or anyone nearby. This position also allows for better control and stability while carrying the object, reducing the chances of accidents occurring.

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  • 16. 

    At the end of the lab you see some leftover chemical that looks just like the stuff you were using.  You should:

    • A.

      Put the chemical back in the jar it came from.

    • B.

      Sweep it into your hand and throw it out.

    • C.

      Tell the teacher so you can dispose of it properly.

    • D.

      Tell your classmates that your lab partner is really messy.

    Correct Answer
    C. Tell the teacher so you can dispose of it properly.
    Explanation
    The correct answer is to tell the teacher so you can dispose of it properly. This is the appropriate action because chemicals should not be handled or disposed of without proper knowledge and training. The teacher will have the necessary expertise to handle and dispose of the chemical safely, ensuring the well-being of everyone in the lab. It is important to prioritize safety and follow proper protocols when dealing with potentially hazardous substances.

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  • 17. 

    If you get chemicals in your eyes, you should flush them with water for:

    • A.

      Less than 10 minutes.

    • B.

      10-15 minutes.

    • C.

      About 15-20 minutes.

    • D.

      More than 25 minutes.

    Correct Answer
    C. About 15-20 minutes.
    Explanation
    When chemicals come into contact with the eyes, it is important to flush them out with water as soon as possible. Flushing the eyes with water helps to dilute and remove the chemicals, reducing the risk of further damage. The recommended time for flushing the eyes is about 15-20 minutes. This duration allows for thorough rinsing and helps ensure that all the chemicals are washed away. Flushing for less than 10 minutes may not be enough to completely remove the chemicals, while flushing for more than 25 minutes may lead to unnecessary discomfort or potential damage to the eyes.

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  • 18. 

    You should wash your hands after

    • A.

      Touching a plant in the classroom.

    • B.

      Handling one of the class pets.

    • C.

      Working with chemicals.

    • D.

      All of the above.

    Correct Answer
    D. All of the above.
    Explanation
    Washing hands is important after touching a plant in the classroom to remove any dirt or potential allergens. Handling class pets can expose hands to bacteria or parasites, so washing hands is necessary. Working with chemicals can lead to skin irritation or absorption, making handwashing crucial. Therefore, all of the given options require handwashing to maintain hygiene and prevent potential health risks.

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  • 19. 

    If you see something in the classroom or laboratory that is dangerous, tell the teacher

    • A.

      When you have time.

    • B.

      At once

    • C.

      After class

    • D.

      After school

    Correct Answer
    B. At once
    Explanation
    If you see something in the classroom or laboratory that is dangerous, it is important to tell the teacher immediately. This is because the safety of everyone in the classroom or laboratory is at risk, and delaying reporting the danger could lead to accidents or injuries. By informing the teacher at once, appropriate actions can be taken to address the danger and ensure the safety of everyone present. Waiting until later, after class, or after school may result in unnecessary risks and potential harm.

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  • 20. 

    When in the lab you should wear

    • A.

      Sandals

    • B.

      Closed-toed shoes.

    • C.

      Open-toed shoes.

    • D.

      No shoes.

    Correct Answer
    B. Closed-toed shoes.
    Explanation
    In the lab, it is important to wear closed-toed shoes for safety reasons. Closed-toed shoes provide protection for your feet from potential hazards such as chemical spills, sharp objects, or falling equipment. Open-toed shoes or sandals do not provide adequate protection and can expose your feet to potential injuries. Not wearing any shoes at all is also unsafe as it leaves your feet vulnerable to accidents and injuries. Therefore, closed-toed shoes are the appropriate choice for lab safety.

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  • 21. 

    To put out a fire in a person's hair or clothes use:

    • A.

      A fire blanket

    • B.

      A handy chemical

    • C.

      The wind from running around the room

    • D.

      A fire extinguisher

    Correct Answer
    A. A fire blanket
    Explanation
    A fire blanket is the correct answer because it is specifically designed to smother fires by cutting off the oxygen supply. When wrapped around a person's hair or clothes that are on fire, it can quickly extinguish the flames and prevent the fire from spreading. Fire blankets are made of fire-resistant materials and are easy to use in emergency situations. They are a safe and effective tool for dealing with small fires on people's bodies.

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  • 22. 

    Helping to clean up the lab or classroom is the job of

    • A.

      Old students.

    • B.

      Transfer students.

    • C.

      Only the teacher.

    • D.

      Each and every student.

    Correct Answer
    D. Each and every student.
    Explanation
    Each and every student is responsible for helping to clean up the lab or classroom. This implies that all students, regardless of their age or when they joined the school, have a duty to assist in maintaining cleanliness in the lab or classroom. The responsibility is not limited to only the teacher or specific groups of students such as old or transfer students.

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  • 23. 

    Disturbing other students in the laboratory with horseplay in the lab is:

    • A.

      Helpful.

    • B.

      Poor manners.

    • C.

      Dangerous.

    • D.

      The quickest way to do a job.

    Correct Answer
    C. Dangerous.
    Explanation
    Disturbing other students in the laboratory with horseplay is dangerous because it can lead to accidents and injuries. Laboratories are typically equipped with delicate equipment, chemicals, and other potentially hazardous materials. Engaging in horseplay can distract others and cause them to mishandle these items, leading to serious consequences. Additionally, horseplay can create an unsafe environment, increasing the risk of accidents and compromising the overall safety of everyone present. Therefore, it is important to avoid such behavior in the laboratory to ensure the well-being of oneself and others.

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  • 24. 

    The most important thing in laboratory experiments is

    • A.

      Getting done first.

    • B.

      Getting the answer right.

    • C.

      Safety.

    • D.

      Penmanship.

    Correct Answer
    C. Safety.
    Explanation
    In laboratory experiments, safety is the most important thing. This is because working with chemicals, equipment, and potentially hazardous substances can pose risks to the experimenter and others in the lab. Prioritizing safety ensures that accidents, injuries, and exposure to harmful substances are minimized. It includes following proper procedures, wearing protective gear, handling materials appropriately, and being aware of potential hazards. While getting the experiment done and getting the answer right are important, they should not be prioritized over safety, as the well-being of individuals involved should always be the top concern. Penmanship, although important for clear documentation, is not as critical as safety in laboratory experiments.

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