Name a good science fair project

1. It needs to be 8th grade level
2. It can't involve bacteria, fire, or human or other vertebrae animals
3. There is a bunch of other limitations but please don't answer this for points, answer this with a good topic idea

Hydrogen has only one electron in its only (and outer) electron shell. if a hydrogen atom were to absorb a small amount of energy, where would bohr say the electron would go? a. fly off the atom b. nowhere, it would just speed up. c. spiral inwards towards the nucleus d. move up to another shell that would form