On 18^th of August every year, it is organized as "National Science Day", which is considered a national important day of Thai science and astronomy. And to honor His Majesty King Rama IV of the Chakri Dynasty On 18^th August ,1868 King Rama IV saw a total solar eclipse in Prachuap Khiri Khan Province.

Moreover, science plays an important role in human life. It is an important process in the development of ideas. Both ideas are rational creative critical thinking and can bring skills to Solve problems in a systematic way.

Today, Bangkokthonburi Demonstration School has organized the National Science Day of the academic year 2022 with booths showing skills on science experiments in various Science Shows. Which the children of all levels are very interested in including having fun at Soi Dao booth and bingo to answer science questions and win prizes. Finally, the highlight of today's event is a walk in a fashion show in Recycle outfits, which are organized by elementary school, high school junior, and high school seniors. Helping to come up with ideas Recycle unused items into beautiful and handsome outfits.