Step 1Step 1aStep 1bStep 1cStep 1dStep 2Step 2aStep 2bStep 2cStep 3Step 3aStep 3bStep 3cStep 4Step 5Step 5aStep 5bStep 5cStep 5dStep 5eStep 6Step 6aStep 6bStep 7Step 7aStep 7bStep 7cStep 5dStep 8Step 9Step 10Step 11Step 12

Step 4: Formulate a hypothesis

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.
Click to view/download worksheet