If you observe it to detect a particle, a particle it will be. If you seek to observe a wave, a wave it will be. Your choice.
And forget the planetary orbiting pictures from high school physics books, it just isn’t quite that way per Heisenberg.
It is all probabilities.
This stuff is pretty abstract. It is all pure math proven by experiment and inference, and new theories.... etc. Gets more and more obscure every time.
One thing that seems to hold up: the conservation law.
Wonder if we are creating this minute universe out of our own minds? Sort of the Schrödinger model on a large scale.