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

https://youtu.be/Xo-qo008HgI

https://youtu.be/H_74PcDMuXA

https://youtu.be/DslcswITM_4

https://youtu.be/YhprbNY4Ceg

https://youtu.be/J_xmaav75NA

https://www.youtube.com/watch?v=MN6wjuLamaE&list=PL3oxhzRdQr1kSALsinwhicfGQc4Zf2rli&index=6