How is a scale model different from a regular model?

In a heliocentric model the Sun is the center of the universe e.g. planets gravitate around the Sun due to centripetal forces. In contrast, in a geocentric model, everything orbitates around "geo" or...

A scale model is a extact replica of something - usually smaller than the original item. Example: A 1/10 scale model car is 10 times smaller than the original car.

To construct a model to scale, you need to know the measurements of the full size object , and then once you have decided what scale you wish to model at, you create all items for the model to the...

Neils Bohr's model states that electrons orbit in fixed circular orbits around the nucleus. They can jump between orbits, depending on the amount of energy they have. (higher orbits needing more...

Electron cloud- all possible paths Bohrs model-states atomic mass & atomic number