Please look at the resources below, especially the log book that you can print! Log books are the most important part of the project.
Printable Log Book (I know it says 2001, but I like the format!)
http://www.astoriapark.leon.k12.fl.us/documents/forms/2-5%20Science%20Fair%20Log%20Book.pdf
Why have a log book?
http://www.sciencebuddies.org/science-fair-projects/printable_project_logbook.pdf
Display Board
http://www.sciencebuddies.org/blog/2012/03/perfecting-the-project-display-board.php