Basic HTML Version

|  | Table of Contents |  | View Full Version

Page 59 - CT&AI_CLasa_7_Part_1
P. 59

    What do A and B represent?                           Which  step  is  most  important  to  ensure a
                                                (Pattern Recognition)         scientific approach?       (Decomposition)
                                (a)   A = slow changes, B = fast changes            (a)   Guessing the result before

                                (b)   A = reversible changes,                          experiment.

                                   B = irreversible changes                         (b)   Copying answers from a book.

                                (c)   A = physical changes,                         (c)   Observing carefully and recording
                                   B = chemical changes                                results.

                                (d)   A = man-made changes,                         (d)   Ignoring unusual results.
     computational thinking quest  B = natural changes
                                                                           8.  Earlier, people  used  sundials  to  measure
                      5.  A student records:                                  time.  Later, water clocks  and mechanical
     Tick ( ) the correct option.
                                   Time            Shadow Length              clocks were developed. Today, atomic clocks
       1.  A student says:
                                 Morning                Long                  are used.
          "Science is like solving a mystery puzzle where   Noon  Short       What does this progression show?
     every answer leads to more questions."  Evening    Long                                             (Decomposition)
          Which  concept  from the  chapter  best        What pattern does he observe?    (a)   Time does not change.
     matches this idea?   (Abstract Thinking)   (Pattern Recognition)
                                (a)   Shadows disappear at noon.                    (b)   Science improves accuracy over
       (a)   Science is limited to laboratories.
                                                                                       time.
                                (b)   Shadow length depends on Sun’s
       (b)   Science gives fixed answers.
                                   position.                                        (c)   Sundials are the most accurate to
       (c)   Science is based only on                                                  measure time.
                                (c)   Shadows are constant in length.
     experiments.
                                                                                    (d)   Modern clocks are less useful in
                                (d)   Shadows depend on object 's colour.
       (d)   Science is a never-ending journey.                                        measuring time.
                      6.  A student asks questions like:
       2.  A student says:  •  Why does ice melt?                          9.  A student wants to understand life processes

          "If I stop asking questions, I will stop exploring     •  How does a bulb glow?   in animals. He lists:
     science."                                                               (i)  Digestion
                         •  Why do seasons change?
     Which  reasoning  best  supports  this       What does this behaviour indicate?     (ii)  Breathing
     statement?  (Abstract Thinking)                                        (iii)  Transportation
                                                    (Decomposition)
                                                                            (iv)  Photosynthesis
       (a)   Science depends only on     (a)   Lack of interest

     textbooks.                                                               Which set correctly represents life processes
                                (b)  Carelessness                             in animals?           (Algorithmic Thinking)
       (b)  Science is only about experiments.
                                (c)   Memorisation                                  (a)   (i), (ii), (iii)
       (c)   Questions lead to observation and
                                (d)   Scientific curiosity and thinking
     discovery.                                                                     (b)   (ii), (iii), (iv)
                      7.  A student performs an experiment to classify
       (d)   Answers are more important than   materials  as metals  and non-metals.  He     (c)   (i), (iii), (iv)
     questions.          observes their shine, hardness, and ability to

                         conduct electricity.                                       (d)   (i), (ii), (iii), (iv)

                                                                                  The Ever-Evolving World of Science  57

| 54 55 56 57 58 59 60 61 62 63 64 |