Once you have recorded your data than you can make a conclusion of your experiment and hypothesis.
Once you have done the experiment three times record your data from it.
Start the experiment and test your hypothesis. Experiment at least three times
Make a (educated) guess that can be tested multiple times.
Ask a question about what is being tested. It needs to be a testable question in order for it to be understandable. Try to collect as much as you can for your question.