3. Sınıf Hayat Bilgisi – Doğa ve İnsan – Doğal Çevreye Etkilerimiz

https://youtu.be/4wFaMWWstKM

https://youtu.be/_-dOHM024rc

https://www.youtube.com/watch?v=oVveVqy5-js&list=PL3oxhzRdQr1kSALsinwhicfGQc4Zf2rli&index=19

https://youtu.be/umVfapLNeZg

https://youtu.be/YhprbNY4Ceg

https://youtu.be/TB8RED5ol2k