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Science Exercises For Pmr

5 Questions
Science Quizzes & Trivia

Answer all the 40 questions and choose the best answer.

Questions and Answers
  • 1. 
    The following are the steps to use a Bunsen burner. J - Turn on the glass slowly K - Hold a lighted match or wooden splinter near the mouth of the barrel. L -  Close the air hole completely by turning the collar. M - When the flame is seen, slowly open the air hole by turning the collar.
    • A. 

      J, L, M, K

    • B. 

      L, K, J, M

    • C. 

      K, J, L, M

    • D. 

      M, L, K, J

  • 2. 
    When two objects of different temperatures are brought together,
    • A. 

      The heat in both objects increase.

    • B. 

      Heat is transfered from the warmer object to the cooler object.

    • C. 

      Both objects become cooler.

    • D. 

      The temperature of both objects remains the same.

  • 3. 
    Given the density of iron is 6 000kg m-3 , calculate the mass of an iron box measuring 10m x 2m x 2m.
    • A. 

      8 000kg

    • B. 

      16 000kg

    • C. 

      32 000kg

    • D. 

      240 000kg

  • 4. 
    Which of the following is an example of unicellular organism?
    • A. 

      Mushroom

    • B. 

      Paramecium

    • C. 

      Spirogyra

    • D. 

      Mucor

  • 5. 
    Which  of the following statements are incorrect?
    • A. 

      Heat is how hot an object is

    • B. 

      Heat is measured in joules

    • C. 

      Heat is an energy

    • D. 

      Heat can be transferred