Potential outline of physics

This post is an attempted outline of the central topics in physics. My goal is to learn about each of these topics and organize the important principles into a clear structure. There are 20 topics listed below.

1. Cosmology
2. Astronomy
3. Particles
4. Elements
5. Molecules
6. Chemical reactions
7. Thermodynamics
8. Classical mechanics
9. Fluid dynamics
10. Special relativity
11. Gravity
12. Optics
13. Sound
14. Electromagnetism
15. Quantum mechanics
16. Strong force
17. Weak force
18. String theory
19. Dark matter
20. Dark energy

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