9th Grade Lab Safety Quiz: Exam!

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| By Ashleychouinard3
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Ashleychouinard3
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9th Grade Lab Safety Quiz: Exam! - Quiz

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Questions and Answers
  • 1. 

    Which of the following should be worn in the lab?

    • A.

      Loose clothes

    • B.

      Expensive clothes

    • C.

      Neck tie

    • D.

      Apron or lab coat

    • E.

      All of the above

    Correct Answer
    D. Apron or lab coat
    Explanation
    In a laboratory setting, it is essential to prioritize safety. Loose clothes can pose a risk of getting caught in equipment, while expensive clothes may get damaged or stained. Wearing a necktie can also be dangerous as it can easily get caught in machinery. On the other hand, an apron or lab coat provides protection against spills, chemicals, and other potential hazards. Therefore, the correct answer is to wear an apron or lab coat in the lab to ensure personal safety and minimize damage to clothing.

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  • 2. 

    The meaning of the word HAZARDOUS?

    • A.

      Risky

    • B.

      Dangerous

    • C.

      Funny

    • D.

      Scary

    Correct Answer
    B. Dangerous
    Explanation
    answer is B

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  • 3. 

    One of the most imporant safety tool is:

    • A.

      Jacket

    • B.

      Hat

    • C.

      Googles

    • D.

      Socks

    Correct Answer
    C. Googles
    Explanation
    .answer is C

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  • 4. 

    Some of the chemicals can cause:

    • A.

      Blindness

    • B.

      Dizziness

    • C.

      Stomach ache

    Correct Answer
    A. Blindness
    Explanation
    .answer is A

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  • 5. 

    Food is

    • A.

      Allowed in the lab

    • B.

      Prohibited

    • C.

      Sometimes allowed

    Correct Answer
    B. Prohibited
    Explanation
    .answer is C

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  • 6. 

    If a chemical gets in your eyes you should use:

    • A.

      Fire blanket

    • B.

      Fire extinguisher

    • C.

      Eye wash

    Correct Answer
    C. Eye wash
    Explanation
    .answer is C

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  • 7. 

    If a  chemical spills you should:

    • A.

      Ask the teacher

    • B.

      Clean it off

    • C.

      Leave it there

    Correct Answer
    A. Ask the teacher
    Explanation
    .answer is A

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  • 8. 

    In a lab, there should always be:

    • A.

      Fire extinguisher

    • B.

      Shoes

    • C.

      Test tube

    • D.

      Flask

    • E.

      Apple

    Correct Answer
    A. Fire extinguisher
    Explanation
    In a lab, a fire extinguisher is necessary for safety purposes in case of any fire emergencies. It is important to have a fire extinguisher readily available to quickly and effectively extinguish any potential fires that may occur during experiments or other lab activities. This ensures the safety of the lab personnel and helps prevent any serious accidents or damages. The other items listed, such as shoes, test tubes, flask, and apple, may also be present in a lab, but they are not essential for safety as compared to a fire extinguisher.

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  • 9. 

    It is always safe to wear what kind of shoes during an experiment?

    • A.

      Sandals

    • B.

      None

    • C.

      Closed toe shoes

    Correct Answer
    C. Closed toe shoes
    Explanation
    Closed toe shoes are the safest option to wear during an experiment because they provide protection to the feet from any potential hazards or accidents. They cover the entire foot, reducing the risk of injury from falling objects, spills, or chemicals. Closed toe shoes also offer better stability and support, reducing the chance of slips or trips. Sandals and going barefoot leave the feet exposed and vulnerable to injuries, making them unsafe choices for experiments.

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  • 10. 

    It is always good to wash your hands before leaving a lab.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Washing hands before leaving a lab is important because it helps to prevent the spread of germs and contaminants. Labs often contain hazardous materials or biological substances that can be harmful if touched or ingested. By washing hands, any potential pathogens or chemicals that may have been picked up during lab work can be removed, reducing the risk of contamination to oneself or others. Additionally, it promotes good hygiene practices and maintains a clean environment in the lab.

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  • 11. 

    In a lab, which of the following is prohibited?

    • A.

      Doing your lab work

    • B.

      Listening to the teacher

    • C.

      Playing around

    • D.

      Eating,drinking and playing around

    • E.

      Both c & d

    Correct Answer
    E. Both c & d
    Explanation
    Both options C and D are prohibited in a lab. Playing around and eating, drinking, and playing around are not allowed in a lab environment. This is because labs require a focused and controlled atmosphere to ensure safety and accuracy in experiments. Playing around can lead to accidents or damage to equipment, while eating, drinking, and playing around can introduce contaminants or interfere with the experiment. Therefore, both options C and D are not permitted in a lab.

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  • 12. 

    When working in a lab your hair should always be:

    • A.

      All over your head

    • B.

      Tied up

    • C.

      In your face

    Correct Answer
    B. Tied up
    Explanation
    When working in a lab, it is important to tie up your hair. This is because loose hair can be a safety hazard, as it can easily come into contact with chemicals, flames, or equipment, potentially causing accidents or contamination. Tying up your hair helps to keep it away from your face and prevents it from falling into experiments or obstructing your vision, ensuring a safe and clean working environment.

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  • 13. 

    You have accidentally broken a test tube and spilled a chemical on the table. Which of the following best explains what you should do?

    • A.

      Use water and paper towels to clean up the spill; place the broken test tube in the disposal container specified by the teacher for sharp objects.

    • B.

      Throw the glass into the nearest trash bin and let the spill air-dry.

    • C.

      Quickly dispose of the glass, wipe up the spill with the nearest cloth, and hope nobody notices.

    • D.

      Caution your lab partners to avoid the area while you inform the teacher of the small accident.

    Correct Answer
    D. Caution your lab partners to avoid the area while you inform the teacher of the small accident.
    Explanation
    The correct answer emphasizes the importance of safety and responsible behavior in a laboratory setting. By cautioning lab partners to avoid the area, you are ensuring their safety and preventing any potential harm. Informing the teacher about the accident is necessary as they can provide guidance on proper cleanup procedures and ensure that any necessary precautions are taken. This answer promotes responsible behavior and prioritizes safety in the laboratory.

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  • 14. 

    You should wear a safety goggle during every science block.

    • A.

      True. You can never be too safe.

    • B.

      False. You should wear goggles only when working with chemicals or heat.

    Correct Answer
    B. False. You should wear goggles only when working with chemicals or heat.
    Explanation
    Wearing safety goggles only when working with chemicals or heat is the correct answer because goggles are specifically designed to protect the eyes from potential hazards such as chemical splashes or flying debris caused by heat-related processes. Wearing goggles during every science block may be excessive and unnecessary if there are no activities involving chemicals or heat. It is important to prioritize safety, but it is also important to use protective equipment appropriately and in accordance with the specific risks involved.

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  • 15. 

    Right when you get to class, it is important to get started in the lab even if your teacher hasn't given you instructions yet.

    • A.

      True. You don't want to fall behind everyone else.

    • B.

      False. You should always read the directions before you start a lab.

    Correct Answer
    B. False. You should always read the directions before you start a lab.
    Explanation
    It is important to read the directions before starting a lab because they provide important information about the experiment, including safety precautions, materials needed, and the steps to follow. By reading the directions first, you can ensure that you understand the purpose of the lab and how to properly conduct it, reducing the risk of making mistakes or causing accidents. This also allows you to ask any questions or seek clarification from the teacher before starting, ensuring that you have a clear understanding of what needs to be done.

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  • 16. 

    What is important to remember while you are using heat?

    • A.

      Do not heat closed containers.

    • B.

      Point the mouth of the container away from yourself and classmates.

    • C.

      Always use clamps to hold the container.

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    It is important to remember all of the above while using heat. Heating closed containers can cause pressure to build up and result in explosions. Pointing the mouth of the container away from yourself and classmates ensures that any potential splattering or bursting of the container does not cause harm. Using clamps to hold the container securely prevents accidental spills or drops while handling heated substances. Therefore, all of these precautions should be followed to ensure safety while using heat.

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  • 17. 

    Always use water to put out a fire.

    • A.

      True.

    • B.

      False.

    Correct Answer
    B. False.
    Explanation
    Using water to put out a fire is not always the correct approach. While water is effective for extinguishing certain types of fires, such as those involving combustible materials like wood or paper, it can actually make some fires worse. For example, using water on a grease fire can cause the flames to spread and create a more dangerous situation. Additionally, water should not be used on electrical fires as it can conduct electricity and cause electrocution. Therefore, the statement "Always use water to put out a fire" is false.

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  • 18. 

    Long hair, hanging jewelry, and loose clothing can be dangerous in a lab.

    • A.

      True. They can get into chemicals, fire, or knock something over.

    • B.

      False. They are perfectly safe as long as you have read through all of the directions.

    Correct Answer
    A. True. They can get into chemicals, fire, or knock something over.
    Explanation
    Long hair, hanging jewelry, and loose clothing can pose a risk in a lab environment. Long hair can easily get caught in equipment or chemicals, potentially causing harm or accidents. Hanging jewelry can also get caught in equipment or chemicals, leading to injuries or damage. Loose clothing can easily brush against objects or equipment, potentially knocking something over or causing spills. Therefore, it is true that long hair, hanging jewelry, and loose clothing can be dangerous in a lab.

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  • 19. 

    When studying a chemical it is important to touch, taste, and smell it so that you know a lot about it.

    • A.

      True.

    • B.

      False.

    Correct Answer
    B. False.
    Explanation
    The statement is false because it is not safe or advisable to touch, taste, or smell chemicals when studying them. Chemicals can be hazardous and may cause harm or injury if handled improperly. Instead, it is recommended to use proper laboratory techniques and equipment to analyze and study chemicals in a controlled and safe environment.

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  • 20. 

    Before starting a lab you should...

    • A.

      Read all directions

    • B.

      Clear off your table of books, food, and drinks.

    • C.

      Ask the teacher about any questions you have.

    • D.

      All of the above.

    Correct Answer
    D. All of the above.
    Explanation
    The correct answer is "All of the above" because before starting a lab, it is important to read all the directions to understand the experiment properly. Clearing off the table of any distractions like books, food, and drinks ensures a clean and organized workspace. Asking the teacher about any questions or doubts helps in clarifying any uncertainties and ensures that the lab is conducted correctly. Therefore, all the given options are necessary steps to be taken before starting a lab.

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