Short Quiz On Middle School Science Lab Safety

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| By Carolina Safar
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Carolina Safar
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Quizzes Created: 1 | Total Attempts: 329
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Lab Safety Quizzes & Trivia

This is a short quiz on lab safety in a middle school science class. It is meant to be a practice quiz for my students.


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 is important in order to follow the lab instructions clearly. By being familiar with the equipment, one can understand the specific instructions related to each piece of equipment and use them correctly. This knowledge ensures that the experiments are conducted accurately and safely, leading to reliable results.

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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.
    Explanation
    The correct procedure to follow when smelling the odor of a chemical substance is to fan your hand over the substance toward your nose, keeping it several centimeters away from the substance. This allows for a safer approach, reducing the risk of inhaling any potentially harmful fumes directly. By creating a gentle airflow, you can still detect the odor without exposing yourself to any potential dangers.

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  • 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 glassware can remain hot even after it has been removed from a heat source. Touching it immediately without proper protection can result in burns or other injuries. It is important to allow glassware to cool down before handling it to ensure safety in the lab.

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  • 4. 

    If you wear contact lenses, you should not wear them the day of a lab and you should wear glasses instead. Which of the following is NOT a reason 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 are easy to clean

    Correct Answer
    D. Contact lenses are easy to clean
    Explanation
    The correct answer is "Contact lenses are easy to clean" because this statement contradicts the idea that contact lenses should not be worn in the lab. The other options provide valid reasons why contact lenses should not be worn, such as the difficulty of removing lenses after a chemical splash, the permeability of lenses to vapors causing irritation, and the potential for chemicals trapped under the lens to cause severe damage.

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  • 5. 

    Which of the following is equipment for Lab Safety in the lab?

    • A.

      Eyewash station

    • B.

      Shower Station

    • C.

      Goggles

    • 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" because all three options mentioned - eyewash station, shower station, and goggles - are essential equipment for lab safety. An eyewash station is used to flush the eyes in case of chemical splashes or other eye-related emergencies. A shower station is used to quickly rinse off any chemical spills on the body. Goggles protect the eyes from chemical splashes, fumes, or flying debris. Therefore, all three options play a crucial role in maintaining safety in the lab.

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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 safest and most responsible action to take in order to ensure that the spill is handled properly and that no one gets hurt. Running madly about the room, splashing water onto the spill, immediately asking to go to the restroom, or blaming someone else are all inappropriate and potentially dangerous reactions 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 the student should not conduct any experiment without the approval or consent of their teacher. It emphasizes the importance of seeking guidance and supervision from an authority figure to ensure safety and proper procedure. This answer promotes responsible behavior and emphasizes the importance of following instructions and guidelines set by the teacher.

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  • 8. 

    The MOST important reason for keeping a clean and organized workplace in the lab is: 

    • A.

      The teacher 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 a clean and organized workplace in the lab is important because it helps prevent accidents. A cluttered and messy workspace can increase the risk of accidents, such as tripping over objects or knocking over hazardous materials. By maintaining a clean and organized environment, potential hazards can be identified and eliminated, ensuring the safety of everyone in the lab.

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  • 9. 

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

    • A.

      Guess.

    • B.

      Wait quietly until someone checks in on you

    • C.

      Ask the teacher.

    • D.

      Assume your lab partner knows what to do

    Correct Answer
    C. Ask the teacher.
    Explanation
    During a lab activity, it is important to know what to do in order to ensure safety and carry out the experiment correctly. Guessing or assuming that your lab partner knows what to do can lead to mistakes or accidents. Waiting quietly until someone checks in on you may waste time and delay the progress of the activity. Therefore, the best course of action is to ask the teacher for guidance and clarification to ensure that you are following the correct procedure.

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  • 10. 

    Goggle 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
    Goggles must be worn when using fire because it can cause sparks and debris to fly into the eyes. Goggles are also necessary when using glassware to protect against potential breakage or splashing of chemicals. Lastly, goggles are essential when working with chemicals to prevent any accidental splashes or spills from coming into contact with the eyes. Therefore, the correct answer is "All of the above" as wearing goggles is necessary in all these situations to ensure safety.

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  • 11. 

    Why are eating, drinking, and chewing gum NOT allowed in the lab?

    • A.

      Because they're distracting

    • B.

      Because there could be chemicals in the air, on surfaces, or on our hands in the lab and it is not safe to ingest them

    • C.

      Because it is not fair to other students

    • D.

      They are allowed

    Correct Answer
    B. Because there could be chemicals in the air, on surfaces, or on our hands in the lab and it is not safe to ingest them
    Explanation
    Eating, drinking, and chewing gum are not allowed in the lab because there could be chemicals present in the air, on surfaces, or on our hands. Ingesting these chemicals can be unsafe and potentially harmful to our health.

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  • 12. 

    You should tie back your long hair & pull back long sleeves when: 

    • A.

      Working near fire.

    • B.

      Using chemicals in the lab.

    • C.

      Working on a dissection or with any messy materials in the lab

    • D.

      Only A and B

    • E.

      All of the above

    Correct Answer
    E. All of the above
    Explanation
    When working near fire, there is a risk of hair catching fire, so it is important to tie back long hair. Similarly, when using chemicals in the lab, hair can get in the way and potentially come into contact with hazardous substances, so it should be pulled back. Working on a dissection or with messy materials in the lab can also lead to hair getting dirty or contaminated, so it is necessary to tie it back. Therefore, all of the given options (A, B, and C) require tying back long hair and pulling back long sleeves for safety reasons.

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  • 13. 

    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. It is important to ensure that equipment is clean both before and after use. Cleaning equipment before use helps to remove any dirt, debris, or contaminants that may be present, ensuring that it is safe to use. Cleaning equipment after use helps to maintain its longevity and prevent the buildup of dirt and bacteria, ensuring that it remains in good working condition for future use. Therefore, being sure that equipment is clean both before and after use is essential for proper maintenance and safety.

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  • 14. 

    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
    Cleaning up a spill immediately is the correct answer because spills can create hazardous conditions and increase the risk of accidents. Delaying the cleanup can lead to slips, falls, or other accidents, especially if the spill is in a high-traffic area. By cleaning up the spill immediately, potential dangers can be minimized, ensuring a safe environment for everyone.

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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 the lab, it is important to carry sharp objects with the point down and away from the body to ensure safety. This position minimizes the risk of accidentally stabbing oneself or others. Carrying the points facing out to the front or covering the point with the hand can increase the chances of injury. Additionally, intentionally carrying the sharp object in a way that could harm one's lab partner is unsafe and goes against proper lab etiquette.

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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 because leftover chemicals should not be handled or disposed of by students themselves, as they may be hazardous or require specific methods of disposal. It is important to inform the teacher so that they can handle the situation appropriately and ensure the safe disposal of the chemical.

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  • 17. 

    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
    The correct answer is "All of the above" because each of the mentioned activities - touching a plant in the classroom, handling one of the class pets, and working with chemicals - can potentially introduce germs or harmful substances onto your hands. Washing your hands after these activities helps to remove any dirt, bacteria, or chemicals that may be present, reducing the risk of spreading them to yourself or others.

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  • 18. 

    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 to the feet from potential hazards such as falling objects, sharp objects, chemicals, and spills. They also help to prevent accidents like trips and slips. Sandals and open-toed shoes do not provide adequate protection and can expose the feet to potential injuries. Going barefoot is also not recommended as it increases the risk of injury. Therefore, closed-toed shoes are the appropriate choice for lab safety.

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  • 19. 

    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 transfer status, are expected to contribute to maintaining a clean and organized learning environment. The phrase "each and every" emphasizes the inclusivity of this responsibility, suggesting that it applies to every single student in the class. The answer implies that cleaning up is not solely the job of the teacher or limited to specific groups of students, but rather a shared responsibility among all individuals in the class.

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  • 20. 

    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 in a laboratory involves handling potentially dangerous substances and equipment. Safety precautions need to be followed to prevent accidents, injuries, or exposure to harmful substances. This includes wearing appropriate protective gear, following proper procedures, and being aware of potential hazards. Prioritizing safety ensures the well-being of the experimenter and others in the lab, as well as the accuracy and reliability of the results obtained.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 03, 2017
    Quiz Created by
    Carolina Safar
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