What is to be written in investigatory project?

After finishing the research and experimentation, you are required to write a (maximum) 250-word, one-page abstract. An abstract includes the a) purpose of the experiment, b) procedures used, c) data and d) conclusions. It also includes any possible research applications. The abstract should focus on work done since the last fair.

Research Paper
A research paper should be prepared and available along with a project data book, and any necessary forms or relevant written materials. A research paper helps organize data as well as thoughts. A good paper includes the following sections:

Title page – title of the project must be brief, simple and catchy
Statement of problems/objectives – the nature & scope of the problem should be presented with clarity. Two types of objectives may stated:
General Objective – this is related to the problem as given in the early part of the section
Specific Objective – this states the purpose of each experiment conducted.
Methodology – provides enough details so that a competent worker can repeat the experiments