Page 109 - TP_Pro_V5.1_Class5
P. 109

Step  3    Click the Motion button to show the Motion blocks.                      move 100    steps

                 Step  4     Drag a Move 10 steps block to the code area and change the
                           value to 100.

                 Step  5    Click the Control Button to show the Control blocks.                      if       then

                 Step  6    Drag an if…then block to the code area.

                 Step  7    Drag  a  touching  mouse-pointer block  from  the Sensing block  and use it
                           with  an  if block.  Click  on the  drop-down arrow present  next  to  touching
                           mouse pointer block and select edge from the list.

                 Step  8     Drag a start sound Meow from the Sound             if
                           blocks and place it inside the if…then block.               touching edge      ?    then

                 Step  9     Click  on Green Flag button  to  see the               start sound  Meow
                           output.





                                Role of Video Sensing extension in Scratch


                                                       Keep on clicking this icon until the
                                                            cat reaches the edge.





























                 Using the Sensing Menu                                            when       clicked
                 Now use the Sensing menu to ask the user for age, user            set  age    to 0

                 types in age, or display the stored answer.                       ask   What’s your age?  and wait
                 Now, create a variable named age.                                    set  age    to answer


                                                                                  say  Join  I Know your age is  answer




                                                                                                  More on Scratch  107
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