The purpose of your science fair project is to create a test (an experiment) to find out the answer to a question that interests you. What is the problem or question you have at this point? What do you think is going to be the answer to your question? You are now ready to go to the next section and actually design your experiment.
Write a one-sentence purpose statement and one-sentence hypothesis to get started. Refine.
Formulate a Hypothesis
Need help writing your hypothesis? Try using the hypothesis worksheet to help you.
Step 3C: Research your process 
Step 5: Design an experiment 