TEKS: Lab Safety Test! Quiz

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TEKS: Lab Safety Test! Quiz - Quiz

TEKS(Texas Essential Knowledge and Skills) is a test conducted in Texas Public Schools from Nursery to 12th. Its detailed syllabus and systematized tests to assess the acquisition of specific knowledge and skills. In schools, a student conducts laboratory investigations but ignores the safety procedures and ethical practices. This quiz will test your intelligence and make you aware of the safety measures.


Questions and Answers
  • 1. 

    While working on a project Erika dropped a glass of water on the floor. The glass broke and the water spilled. Which of the following rules should Erika follow?

    • A.

      Get a mop and clean the water

    • B.

      Tell her teacher about the accident

    • C.

      Pick up the glass carefully

    • D.

      Continue working on her project

    Correct Answer
    B. Tell her teacher about the accident
    Explanation
    Erika should tell her teacher about the accident because it is important to inform someone in authority about any accidents or incidents that occur. This will ensure that appropriate action can be taken to clean up the water and broken glass, and to prevent any potential hazards or injuries to others. Additionally, notifying the teacher shows responsibility and accountability for her actions.

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  • 2. 

    While working in the lab, Joe notices that one of his classmates takes out some candy from his pocket. Why must Joe remind his classmate not to eat anything in the lab?

    • A.

      Eating food in the lab might distract other students from doing their work.

    • B.

      Eating food in the lab is dangerous since there are chemicals and bacteria that might contaminate it.

    • C.

      Eating food in the lab will make other students hungry.

    • D.

      The food might get eaten by the teacher's pets.

    Correct Answer
    B. Eating food in the lab is dangerous since there are chemicals and bacteria that might contaminate it.
    Explanation
    Eating food in the lab is dangerous because there are chemicals and bacteria present that could contaminate the food. This can lead to potential health risks if the contaminated food is consumed. Additionally, it is important to maintain a clean and sterile environment in the lab to ensure accurate and reliable results. Eating in the lab can introduce unwanted substances and compromise the integrity of experiments or research being conducted.

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  • 3. 

    Which of the following rules should NOT be followed in the science lab?

    • A.

      If you break something, you must clean it up.

    • B.

      Always follow the teacher's direction.

    • C.

      If you don't understand what you need to do next, ask questions.

    • D.

      Never play around in the lab.

    Correct Answer
    A. If you break something, you must clean it up.
    Explanation
    It is important to clean up if you break something in the science lab in order to maintain a safe and organized environment.

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  • 4. 

    Joe has been working on an activity in the lab. He follows all the directions on the paper but does not know what to do next. Which of the following would be the best way for Joe to solve his problem?

    • A.

      Joe needs to copy exactly what his friends are doing.

    • B.

      Joe needs to guess what he needs to do next.

    • C.

      Joe needs to start the activity again.

    • D.

      Joe needs to ask the teacher what he needs to do next.

    Correct Answer
    D. Joe needs to ask the teacher what he needs to do next.
    Explanation
    Joe should ask the teacher what he needs to do next because the teacher is the person who can provide guidance and clarification on the activity. Copying what his friends are doing may not be the correct approach as they might also be unsure. Guessing what to do next is not a reliable solution as it may lead to mistakes or wasting time. Starting the activity again without seeking guidance would be unnecessary and may not address the problem. Asking the teacher is the best way for Joe to get the necessary information and continue with the activity.

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  • 5. 

    When entering the science lab which of the following should be done?

    • A.

      You should start working on your experiment

    • B.

      You should touch the equipment to see what it does

    • C.

      You must sit quietly and wait for your teacher to give instructions

    • D.

      You must talk to your classmates to see what you need to do next

    Correct Answer
    C. You must sit quietly and wait for your teacher to give instructions
    Explanation
    When entering a science lab, it is important to sit quietly and wait for the teacher to give instructions. This is because science labs often involve dangerous equipment and chemicals that require specific handling and precautions. By waiting for the teacher's instructions, you ensure that you are aware of the safety protocols and procedures that need to be followed. This helps to minimize the risk of accidents or mishaps in the lab and ensures a safe and productive learning environment for everyone.

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  • 6. 

    During an experiment, you notice a glass of water. Before you drink the water you must do which of the following?

    • A.

      Ask the teacher if you may drink the water

    • B.

      Smell the liquid to see if it's water

    • C.

      Ask your classmates to see if it belongs to anyone else

    • D.

      None of the above. You may not drink anything in the science lab.

    Correct Answer
    D. None of the above. You may not drink anything in the science lab.
    Explanation
    In a science lab, it is important to follow safety rules and regulations. Drinking anything in the lab, including water, is not allowed as it can lead to contamination or ingestion of harmful substances. Therefore, the correct answer is "None of the above. You may not drink anything in the science lab."

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  • 7. 

    The following equipment must be used when:

    • A.

      Working with chemicals.

    • B.

      Working with sharp objects.

    • C.

      When working with sand.

    • D.

      All of the above.

    Correct Answer
    D. All of the above.
    Explanation
    The correct answer is "all of the above" because when working with chemicals, it is important to use equipment such as gloves, goggles, and lab coats to protect oneself from any potential hazards. Similarly, when working with sharp objects, like knives or scissors, it is necessary to use protective gloves or finger guards to prevent any accidental injuries. Lastly, when working with sand, it is recommended to wear protective clothing, such as coveralls or dust masks, to avoid inhaling or getting sand particles in the eyes or skin. Therefore, all three scenarios require the use of specific equipment for safety purposes.

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  • 8. 

    When working in the lab which of the following should NOT be used?

    • A.

      Sandals

    • B.

      Ponytail

    • C.

      Shoes

    • D.

      Pants

    Correct Answer
    A. Sandals
    Explanation
    Sandals should not be used when working in the lab because they do not provide adequate protection for the feet. Lab work often involves handling hazardous chemicals, sharp objects, or potential spills, which can pose a risk of injury. Closed-toe shoes are recommended for lab work as they provide better protection and reduce the risk of accidents.

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  • 9. 

    If your teacher allows you to touch the pets in the lab, which of the following must you do next?

    • A.

      Thank the teacher for allowing you to touch the pets.

    • B.

      Tell your classmates how the pet felt.

    • C.

      Wash your hands.

    • D.

      Work on your experiment.

    Correct Answer
    C. Wash your hands.
    Explanation
    The correct answer is to wash your hands. This is important because touching pets can transfer germs and bacteria to your hands, which can then be easily spread to other surfaces or even to yourself if you touch your face or eat without washing your hands. Washing your hands helps to prevent the spread of germs and keeps you and others safe and healthy.

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