Dare To Dash Level 2

17 Questions

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Dare To Dash Level 2 - Quiz

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Questions and Answers
  • 1. 
    Flammable materials, like alcohol, should never be dispensed or used near
    • A. 

      An open door

    • B. 

      An open flame

    • C. 

      Another student

    • D. 

      A sink

  • 2. 
    If a fire erupts in the class during a lab, immediately
    • A. 

      Notify your instructor

    • B. 

      Run for the fire extinguisher

    • C. 

      Throw water on the fire

    • D. 

      Open the windows

  • 3. 
    Approved eye protection devices such as goggles are worn in the laboratory
    • A. 

      To avoid eye strain

    • B. 

      To improve your vision

    • C. 

      Only if you don't have corrective glasses

    • D. 

      Any time chemicals, heat or glassware are used

  • 4. 
    After completing an experiment, all chemical wastes should be
    • A. 

      Left at your lab station for the next class

    • B. 

      Disposed of according to your instructor's direction

    • C. 

      Dumped in the sink

    • D. 

      Taken home

  • 5. 
    You are heating a substance in a test tube.  Always point the open end of the tube
    • A. 

      Toward yourself

    • B. 

      Toward your lab partner

    • C. 

      Toward another classmate

    • D. 

      Away from all people

  • 6. 
    You are heating a piece of glass and now want to pick it up.  You should
    • A. 

      Use a rag or paper towels

    • B. 

      Pick up the end that looks cooler

    • C. 

      Use tongs

    • D. 

      Pour cold water on it

  • 7. 
    You have been injured in the laboratory (cut, burn, etc.).  First you should
    • A. 

      Visit the school nurse after class

    • B. 

      See a doctor after school

    • C. 

      Tell the science instructor at once

    • D. 

      Apply first aid to yourself

  • 8. 
    Personal eyeglasses provides as much protection as
    • A. 

      A face shield

    • B. 

      Safety glasses

    • C. 

      Splashproof chemical googles

    • D. 

      None of the above

  • 9. 
    Long hair in the laboratory must be
    • A. 

      Cut short

    • B. 

      Held away from the experiment with one hand

    • C. 

      Always neatly groomed

    • D. 

      Tied back or kept entirely out of the way by tying it with a hair band.

  • 10. 
    If a piece of equipment is not working properly, stop, turn it off, and tell
    • A. 

      The custodian

    • B. 

      Your lab partner

    • C. 

      Your best friend in the class

    • D. 

      The science teacher

  • 11. 
    When you finish working with chemicals, biological specimens, and other lab substances, always
    • A. 

      Treat your hands with skin lotion

    • B. 

      Wash your hands thoroughly with soap and water

    • C. 

      Wipe your hands on a towel

    • D. 

      Wipe your hands on your clothes

  • 12. 
    Hot glass looks the same as cold glass
    • A. 

      True

    • B. 

      False

  • 13. 
    Never remove chemicals or other equipment from the classroom
    • A. 

      True

    • B. 

      False

  • 14. 
    Crucible is made up from ceramic. Do you know why?
    • A. 

      It has high melting point

    • B. 

      It is good electrical conductor

    • C. 

      It is ductile

    • D. 

      It has various shape

  • 15. 
    Can you help me? I wonder how to carry out combustion reaction safely.
    • A. 

      Switch off the fan

    • B. 

      Wear lab coat

    • C. 

      Use white tile

    • D. 

      Avoid flame

  • 16. 
    In a laboratory, the following should not be worn
    • A. 

      Specticle

    • B. 

      Dangling jewelry

    • C. 

      Sandals

  • 17. 
    The following footwear is best in the laboratory
    • A. 

      Sandals

    • B. 

      Open-toes shoes

    • C. 

      Closed-toed shoes

    • D. 

      Shoes appropriate for the weather

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