1. Write your hypothesis in a testable form. Describe a test you could conduct to find out answers to the given questions. 2. Identify variables that you need to control in order to have a fair test 3. Identify the dependent and independent variables 4. List all the materials you need including the amount 5. Do your investigation using the proper measuring devices. Record your observations and tabulated them. These observations are the evidence from which you can draw your conclusions.​