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INTRODUCTION TO                                                                        CHAPTER                            A computer also follows stepwise instructions to complete any task known as a
                                                                                                                                      program. We can define a program as a set of systematic instructions that direct
            SCRATCH PROGRAMMING                                                                      8                                the computer to do specific tasks and get the desired results. Programs are written

                                                                                                                                      in a special language known as a programming language. The person who writes
                                                                                                                                      these programs is known as a programmer.


                                                                                                                                      In  this chapter we will learn  about  Scratch. It is a block-based  programming
                                                                                                                                      language.




                                                                                                                                                WHAT IS SCRATCH?


                                                                                                                                      Scratch is a visual programming language used to create computer
                              Tanush, please go and get                Topics Covered                                                 animation,  games  and stories.  Visual  programming means  that
                              the  notebooks  from the                    What is Scratch?                                            rather than having to type the code (instructions), we use blocks of

                              computer lab.                               Advantages of Scratch
                                                                          Getting Started with Scratch                                code that we put together to create our projects. This makes it easier
                                                                          Components of Scratch Window                                to get started. It enables us to see the results of our work quickly and
                                                                          Coding Blocks                                               even includes graphics and sound to it.
                                                                          Working with Sprite
                                                                          Creating a Scratch Project
            I am  a new student,                                          Saving a Project                                                                                                                                PURE
            Aadya. I do not have                                          Opening an Existing Project                                          Scratch was created by Mitchel Resnick at the MIT Media Lab in 2007.        FACT
            any  idea  where the                                          Exiting Scratch

            computer lab is.
                                                                                                                                                ADVANTAGES OF SCRATCH


            Oh, that’s not a problem at all. Let me give you the directions to                                                        Scratch is simple, easy to understand and learn. It is used more than many other
            reach the computer lab:                                                                                                   programming languages for the following reasons:

            Take a right when you step out of the class and go straight. After                                                            We don’t have to remember or type commands, we can just drag and drop them

            crossing four classes, take a left turn. Keep walking. You will see                                                          as we desire.
            a notice board. From there, take a right turn. After crossing two                                                             Commands fit together like puzzle pieces, so we get clear visual hints about how

            classes, you will reach the computer lab which has a green door.                                                             to combine them.

                                                                                                                                          We can create animations, quizzes and stories.
                                    In our daily lives, we perform many tasks from dawn until

                                    dusk. You may have noticed that in order to complete a                                               We can create and share our Scratch project online on the Scratch website.
                                    certain task, we go step-by-step in a particular sequence.
                                    Let us understand this more clearly.
                                                                                                                                                      In how many languages is Scratch available?







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