3. Sınıf Hayat Bilgisi – Geri Dönüşümün Bize ve Çevremize Katkıları

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

https://youtu.be/vquM5cWJx5c

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

https://youtu.be/Xo-qo008HgI

https://youtu.be/V0nxRwCoU74

https://youtu.be/FLSWaw4glbw