Here's what it should look like:
Title: (in the form of a question)
Purpose: (reasons for doing this experiment)
Materials: (this should be a list of everything needed to do your experiment)
Procedure: (step-by-step instructions on how to perform your experiment). Number the steps and don't forget any details! Any person should be able to duplicate your experiment by reading your procedure. Also, include a diagram to help with your explanation.
Expected results: (hypothesis and predicted numbers) Make a chart and give reasons for your predictions.