Chemistry | MYP | Year 4

1 lecture 08 Min 35 sec

1 lecture 03 Min 19 sec

2 lectures 10 Min 32 sec

2 lectures 20 Min 49 sec

1 lecture 05 Min 09 sec

2 lectures 09 Min 35 sec

1 lecture 03 Min 53 sec

1 lecture 08 Min 33 sec

3 lectures 14 Min 00 sec