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

https://youtu.be/vquM5cWJx5c

https://youtu.be/FLSWaw4glbw

https://youtu.be/_-dOHM024rc

https://youtu.be/rlbtf9KacwQ

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

https://youtu.be/TB8RED5ol2k