Challenge: Fiche conceptuelle didactique. La fiche conceptuelle didactique sur les ondes mécaniques est une tentative qui permet de clarifier et d'expliciter ces concepts et son réseau conceptuel. Fiche

Some Happy New Year animations / Quelques images ou animations de bonne année To bring order / Pour mettre de l'ordre Source To think about our beautiful Earth / Pour penser à notre belle Terre Source

SAMI YUSUF SONG : WORDS OF THE SONG: Beyond the lines of no man's land Time stands still My voice is weak, but far away I softly speak in silent words On folded knees With silent words we call the night

source Greetings to all members and friends of our Hive community. It is with pleasure that I want to begin the subject of school violence following, unfortunately, real accidents. Today, in my country,

🌗Introduction My respectful greetings to the HIVE community. I am curious to understand how certain natural phenomena manifest themselves and other phenomena in many other fields. I also love all things

The beauty of nature is reflected in the beauty of its roses and flowers. I share with you in publishing some of my photos of flowers and roses that I took on my phone.😍😍😍😍 Hope you like it

Hi to all members of the Hive community. I am honoured to introduce myself as a new member of the community. Who am I …? My name is Ridha, professor of physical sciences in secondary schools in Tunisia