Carousel

[Giel]

Put the child on the carousel, and give them the charged ball or bar magnet, or both. This is then a model for the electron orbiting the nucleus, where if the child is free to move they will also simulate the random movement of the electron in orbit i.e. it does not have a determinate position. The bar magnet simulates the magnetic moment of the spin of the electron, while the charged ball represents the charge of the electron, also creating a magnetic field as it move around the center. The magnetometer can then be used to measure the fields, e.g. to find the field at the nucleus one would measure at the center of the carousel.

[Author]

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