4.Sınıf Fen Bilimleri Kuvvetin Etkileri

https://youtu.be/H7hOB9so-eU

https://youtu.be/p2SRtR2VMj4

https://www.youtube.com/watch?v=webnZvXFN6k&list=PL3oxhzRdQr1kr6jcAWJcT8yQrum_wGYkw&index=7

https://www.youtube.com/watch?v=H5uEvl3sYZE

https://youtu.be/SQ8RWEzNlqQ

https://youtu.be/N_ClGe5Tjlk