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    2.   Under which block “clear graphic effects” block available in Scratch?

                     3.   What is the meaning of “set size to…” block?
                     4.   What is the meaning of “when sprite clicked” block?

                     5.   “change color effect by…” block is used for ___________

                                  Activity 8.2

                       1.       Add the sprite in your Project. And change their color effects and its size

                              after every 1 seconds, “when we click on flag”.
                       2.       Write the script for showing cat walk with different sizes. (Hint: change

                              the costume and sizes of cat.)
                       3.     Add any number of sprites of your own choice.

                          Aryan:  Oh  wow!  So  many  colours,  but  the  background  of  the  stage  doesn’t  look  very
                          interesting. I wish there were trees in the pictures, and butterflies flying over the leaves or
                          trees. I wish I could do it also in the scratch, then it will be more interesting and joyful.
                          Gowri: Yes, dear! In scratch it is also possible to change the background. It is also possible
                          that a sprite can fly randomly in scratch.
                          Aryan: Oh wow! That’s very interesting. I want to learn this also. Please tell me the steps to do
                          it.
                          Gowri: Yes, Let’s start with choosing and changing the backgrounds first. Then
                          after that we will learn how a sprite can fly. So, steps to choose a background
                          are: -

                     8.2 CHOOSING THE BACKGROUND

                     Step 1:  Click on the  “Choose  a  Backdrop”
                                icon on the bottom right side of the

                                Scratch  window.  Following window
                                (Choose  a  Backdrop)  will  be  appeared
                                (Fig. 8.2):

                     Step 2:  Total nine  tabs are appearing  in this
                                window  like  (All,  Fantasy,  Music  etc.)
                                which are having so many backgrounds.                             Fig. 8.2

                                Choose the background from the list given in Fig. 8.2, example:- Choose
                                Baseball 2 as background. Stage will be appeared as shown in (Fig. 8.3):

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