Physics

Electricity and magnetism  - I watched documentaries about electricity and read about it in my physics books. Additionally i worked with an electrical board, where you can perform experiments with electricity.
Atoms and ionizing radiation. 

My father practiced some real electrical experiments with me

I watched videos about this subject and used my physics book for further study.
kinetics and dynamics of straight movement  - This I learned from my physics book and I did some experiments.
Energy - I gained knowledge of high power energy by visiting my father at work and having him explain the workings to me. Additionally, I followed his recommendations to read some materials about the energy grid and about different types of electrical energy and renewable energies.