Year 7 Laboratory Test - Mr. Hung

20 Questions
Year 7 Laboratory Test - Mr. Hung

Test on What is Science, Laboratory Safety, Equipment (Identification and uses), Bunsen burner (structures and uses), fire triangle, warning signs, correct use of equipment and writing scientific report.

Please wait...
Questions and Answers
  • 1. 
    It is always safe to wear what kind of shoes during an expirment?
    • A. 

      Sandals

    • B. 

      None

    • C. 

      Closed toe shoes

    • D. 

      High heeled shoes

  • 2. 
    Never leave ______ unattended.
    • A. 

      Beaker

    • B. 

      Bunsen burner

    • C. 

      Test tube

    • D. 

      Your friend

  • 3. 
    Which chemical is corrosive?
    • A. 

      Acids

    • B. 

      Milk

    • C. 

      Salt solution

    • D. 

      Sugar soluiton

  • 4. 
    In a lab, which of the following is prohibited?
    • A. 

      Doing your lab work

    • B. 

      Listening to the teacher

    • C. 

      Wearing goggles during heating

    • D. 

      Eating, drinking and playing around

  • 5. 
    If there is an accident what should you do first?
    • A. 

      Try to fix the problem yourself

    • B. 

      Levve it there for someone else to find

    • C. 

      Notify the teacher immediately

    • D. 

      All of the above

  • 6. 
    Why do we wear googles in a lab?
    • A. 

      To look cool

    • B. 

      You don't have to wear googles unless you want to

    • C. 

      To stop smoke go into your eyes

    • D. 

      To protect our eyes from chemicals and other things

  • 7. 
    When working in a lab your hair should always be...
    • A. 

      All over your head

    • B. 

      Tied up

    • C. 

      In your face

    • D. 

      Hide inside the jumper

  • 8. 
    All these items are required to start a fire - Fire Triangle, EXCEPT...
    • A. 

      Heat

    • B. 

      Water

    • C. 

      Fuel

    • D. 

      Oxygen

  • 9. 
    During the heating of a liquid in a test tube, you should
    • A. 

      Point the test tube towards others

    • B. 

      Point the test tube away from any person

    • C. 

      Place the test tube vertically up

    • D. 

      Place the test tube so that you can see its top

  • 10. 
    The branch of Science involves the study of forces and energy is
    • A. 

      Physics

    • B. 

      Chemistry

    • C. 

      Biology

    • D. 

      Geology

  • 11. 
    What is the use of a watch glass?
    • A. 

      For heating chemical

    • B. 

      For measuring small amount of water

    • C. 

      For transferring small amount of solid

    • D. 

      For covering a beaker

  • 12. 
    When writing a scientific report, the results include the following EXCEPT
    • A. 

      Data or measurement

    • B. 

      Table

    • C. 

      Explanation of results

    • D. 

      Any observation

  • 13. 
    Which is the correct sequence to light up a Bunsen burner?
    • A. 

      Light up a match --> light up the gas --> open airhole --> turn gas on --> close airhole

    • B. 

      Turn gas on --> light up the gas --> close airhole --> light up a match --> open airhole

    • C. 

      Turn gas on --> close airhole --> light up a match --> close airhole --> light up the gas

    • D. 

      Close airhole --> light up a match --> turn gas on --> light up the gas --> open airhole

  • 14. 
    A pair of metal tongs be used to
    • A. 

      For holding test tube during heating

    • B. 

      For removing a beaker from the tripod

    • C. 

      For removing hot crucible from the tripod

    • D. 

      For stirring solution

  • 15. 
    The measurement for the thickness of a book is in
    • A. 

      Cm

    • B. 

      Mm

    • C. 

      ML

    • D. 

      Gm

  • 16. 
    The curve surface at the top of water in the measuring cylinder is called
    • A. 

      Surface tension

    • B. 

      Water surface

    • C. 

      Meniscus

    • D. 

      Curvature

  • 17. 
    Opening the airhole of the Bunsen burner give a
    • A. 

      Yellow and safety flame

    • B. 

      Blue and heating flame

    • C. 

      Heating and yellow flame

    • D. 

      Safety and blue flame

  • 18. 
    Which is the hottest part of the Bunsen flame?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 19. 
    • A. 

      Aim --> Discussion --> Method --> Conclusion --> Materials --> Results

    • B. 

      Discussion --> Aim --> Method --> Results --> Materials --> Conclusion

    • C. 

      ConclusionèMaterialsèMethodè Results --> Discussion --> Aim --> Materials --> Method --> Conclusion

    • D. 

      Aim --> Materials --> Method --> Results --> Discussion --> Conclusion

  • 20. 
    Scientific drawing of equipment should be in
    • A. 

      1 dimension

    • B. 

      2 dimensions

    • C. 

      3 dimensions

    • D. 

      4 dimensions