Does a science fair project have to be something that is not yet proven?

I am in 10th grade, and will be entering the PJAS fair, the ISEF fair, and the online Google fair. I have been having trouble coming up with a topic and experiment. I am interested in Neuroscience, mainly concussions, CTE, Hemisphere neglect, and human behavior. In other words, can I do a project tha SUPPORTS a... show more I am in 10th grade, and will be entering the PJAS fair, the ISEF fair, and the online Google fair. I have been having trouble coming up with a topic and experiment. I am interested in Neuroscience, mainly concussions, CTE, Hemisphere neglect, and human behavior.

In other words, can I do a project tha SUPPORTS a theory, such as people with concussions have slower reaction times? If you have any ideas, it will be great if you can include them.

Thanks :)
1 answer 1