Page 66 - modular4.0
P. 66

Chapter Profile

                  Exercise


                  A.  Tick ( ) the correct option.


                      1.  What is the function of the pen up block in Scratch?
                          a.  Draws a line                                 b.  Stops drawing

                          c.  Changes pen color                            d.  Duplicates the sprite


                      2.  Which block in Scratch allows you to erase all drawings?

                          a.                                               b.



                          c.                                               d.




                      3.  To draw a square in Scratch, how many degrees should the Sprite turn after each side?

                          a.  90 degrees                                   b.  120 degrees

                          c.  72 degrees                                   d.  45 degrees

                      4.  How do you change the pen colour in Scratch?

                          a.  Using the pen up block                       b.  Using the change pen color block

                          c.  Using the stamp block                        d.  Using the erase all block

                  B.  Fill in the blanks using the words given below:


                                                       4,   pen up,   stamp,   360

                      1.  The                     block in Scratch allows the sprite to stop drawing.

                      2.  To draw a square in Scratch, you need to repeat the command                         times.
                      3.  The                     block duplicates the sprite and stamps it on the stage.

                      4.  To draw a polygon, divide                     by the number of sides to get the turn angle.

                  C.  Write the commands of the following polygons:

                      1.  Pentagon:

                      2.  Hexagon:
                      3.  Heptagon:

                      4.  Nonagon:
                      5.  Decagon:







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