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    2.  Fill in the blanks using the words from the help box.

                                                Size, wait 1 seconds, Say, Four, Sound

                        a.  Scratch has __________________ operators that allow you to do arithmetic calculations.
                        b.   To control sound functions in Scratch, you use __________________ blocks.

                        c.  __________________ block pauses the running of the script for the number of seconds.
                        d.  __________________ block helps you to add a speech bubble to the Sprite.
                        e.  The “change size by” block changes the sprite’s __________________ .

                     3.  Write 'T' for true and 'F' for false.
                        a.  Motion blocks are used to control the movement of a sprite.

                        b.   Looks blocks can only change the size of the sprite.

                        c.  The "when clicked" block starts the script when the green flag is clicked.

                        d.   Sound blocks can be used to record your voice.

                        e.   The ‘repeat 10’ block pauses the script for 10 seconds.

                     4.  Match the following:

                         a. move  10  steps                                   (i)  Starts the script when clicked

                         b.  when    clicked                                  (ii)  Plays a sound

                         c. switch costume to  costume2                       (iii)  Moves the sprite forward

                         d.  play sound  Meow  until done                     (iv)  Changes the sprite’s costume

                     5.  Think and answer.

                        a.  Which block would you use to make a sprite rotate 15 degrees clockwise?
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                        b.  Write the function of "hide" block.
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                        c.  Name any two Operators blocks.
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                        d.   Explain the function of the "forever" block in Scratch.
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                                                                                                     Blocks in Scratch  99

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