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Looks Blocks

            Looks blocks are purple in colour and let you modify the sprite’s costumes and colours. The
            Looks blocks display text within pop-up bubbles.

                       Blocks                                          Functions

               say Hello!  for 2  seconds  This block displays a speech bubble of the sprite for a specified
                                          amount of time.
                      say Hello!          This block displays a speech bubble of the sprite.


              think Hmm...  for 2  seconds  This block gives the sprite a thought bubble with the desired
                                          text which stays for a specified number of seconds.

                    think Hmm...          This block gives the sprite a thought bubble with the desired
                                          text.
               switch costume to  costume2  This block changes the appearance of the sprite by switching its
                                          costume.

                     next costume         This block changes the costume of the sprite to the next costume
                                          in the costume list.

                   change size by  10     This  block changes  the  size  of the  sprite  by  the  desired
                                          proportion.

                   set size by  100 %     This block sets the size of the sprite to a specified percentage of
                                          the original size.

               change color  effect by 25  This block changes the visual effect applied to the sprite by the
                                          specified amount.
                set  color  effect to 0   This block sets the visual effect to a specified number.


                                          If the  block’s sprite  is  hidden,  it  will  show  the  sprite.  If the
                    show  /  hide
                                          block’s sprite is visible, it will hide the sprite. If the sprite is
                                          already visible/hidden, nothing will change.

            Sound Blocks

            Sound blocks are in pink colour. They control sound functions. We can add music to our
            Scratch project by using Sound blocks. You can even record your voice and save it.

                      Blocks             Functions

              play sound Meow  until done  This block plays a sound until the complete sound has been played.

                  start sound Meow       This block starts playing a sound.


                    stop all sounds      This block stops all the sound.

                   clear sound effects   This block clears all the sound effects.



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