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

https://youtu.be/YhprbNY4Ceg

https://youtu.be/H_74PcDMuXA

https://youtu.be/Uo_X8KF4DX8

https://youtu.be/J_xmaav75NA

https://www.youtube.com/watch?v=UK3Bl3163F8&list=PL3oxhzRdQr1kSALsinwhicfGQc4Zf2rli&index=5

https://www.youtube.com/watch?v=f8fM22NkYig&list=PL3oxhzRdQr1kSALsinwhicfGQc4Zf2rli&index=14