How would you explain superposition to a smart twelve year old, no analogies allowed

[BretHart88]

Every explanation of superposition leans on the same tired coin flip or Schrodinger's cat setup, and both analogies actually mislead more than they clarify because they imply the particle has a definite state we just don't know yet, when the actual physics says something stranger, the particle exists in a combination of states until measurement forces one outcome

Try explaining it using only the actual math or the actual experimental behavior, no cats, no coins, no dice

Bonus points if your explanation would survive a physicist reading over your shoulder

[SašaJelenič]

A quantum system's state is a probability distribution across every possible outcome simultaneously, measurement collapses that distribution to a single value, and nothing about the particle was secretly fixed before that collapse happened

[Merchant94]

Skip the state language entirely and just describe the double slit experiment properly, a single particle passing through two slits produces an interference pattern that only makes sense if it went through both at once

[Voyager17]

The math describes amplitudes that add or cancel before measurement, superposition just means the wave function hasn't been forced into a single eigenstate yet

[SockPuppet42]

Twelve year olds understand probability from board games, so frame it as the outcome not existing until the dice actually land, not that it landed somewhere and we just can't see it

[PhotonBurst]

Explain it through polarized light instead, a photon passing through a filter at an angle doesn't pick a side beforehand, the filter itself forces the outcome at the moment of interaction

[DarkSideRichard47]

Any explanation using only words and no math is going to lose something real, the actual content lives in the linear algebra, complex amplitudes and interference terms that words paraphrase badly

[Cameron]

I'd skip explaining the mechanism and instead show the electron double slit video, then just say the pattern only shows up if we stop measuring which path it took, let the kid sit with that discomfort