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A list of various sciences by scale
Particle physics (elementary particles)
Nuclear physics (atoms and their constituents)
Chemistry (atoms and molecules)
Quantum physics (atoms/molecules and smaller)
---The line of visibility*---
Microbiology (cells and their constituents)
Biology, Classical physics (everyday stuffs)
Geology, Meteorology (planetary scale processes)
Astrophysics (planets, stars, etc.)
Cosmology (the universe)
*Kinda. There are some ways of "seeing" molecules.
In case you're curious, this is apropos of nothing. It was kinda just a random thought I had.