This artical includes introducing and examining of six popular writings about modern natural science in Mecmû‘a-i Fünûn. It was the first popular scientific monthly magazine published in the Ottoman period from June 1862 to June 1867. 1t was published by an science association called Cemiyet-i İlmiye-i Osmaniye. The most active people in the association was Münif Paşa. First writing bears “Alâ’im-i Semâviye” title penned by Kadri Bey is concerned with meteorological events. “Kuvve-i Elektrikiye” named article of Daniş Bey is about the electrical power. In the third writing called “rzın Hareket-i Yevmiyesinin Mâddet-i İsbâtı” penned by Hacı İskender the author tells us scientific experiment made in 1851 at the Paris Pantheon church. The writing of Münif Paşa titled “Târîh-i Telgraf” is about the telegraphy history. The writing of Safvet Paşa named “Suyun Mâhiyet ve Envâ‘ı ve Havâss-ı Hikemiye ve Kimyeviyesi” is relationship with the physical and chemical properties of water. The last writing bears “İlm-i Hey’et” title penned by Mehmed Şevkî describes the heliocentiric system and comets in astronomy