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    • Programming Responses: You will see how coding helps the micro:bit decide
                        what to do based on the amount of light it detects, connecting what they

                        learned about light to programming actions.

                     Observations

                     In the Sunlight Sensor activity, You will notice:

                        • When the area around the micro:bit is bright, it shows a smiley face on the
                        screen.

                        • When it gets darker, the micro:bit changes to a sad face.
                        • You will enjoy watching how the micro:bit changes its display based on the

                        light around it.

                     Application

                     Have you ever noticed how street lights turn
                     on automatically when it gets dark. This is due

                     to a light sensor. The light sensor detects the
                     level of sunlight, and when it senses that the
                     surroundings are getting dim, it automatically

                     switches the street lights on. As the sun rises
                     and it gets brighter, the sensor turns the lights off.

                                                           eXERCISE

                     A.  Tick ( ) the correct option.

                         1.  What is a micro:bit?

                              (i)  A tiny robot                            (ii)  A small computer

                             (iii)  A battery                              (iv)  A light bulb

                         2.  What does block-based coding use?

                              (i)  Written text                            (ii)  Puzzle-like blocks

                             (iii)  Music                                  (iv)  Handwritten notes

                         3.  What can you create on a micro:bit display?

                              (i)  Food                                    (ii)  Sounds

                             (iii)  Emojis                                 (iv)  Clothes

                                                                                     Programming with Micro:bit   73

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