7. What is the first step in conducting a scientific investigation? A.Arrive at a conclusion C.Observe and ask questions B.Analyze data D.Test the hypothesis 8.What is the independent variable in the experiment? A.Location of the plants B.Amount of water C.Size of the room D.Plant grow 10.What is fin step of the scientific method? A.Record data B.Communicate results C.Make conclusions D.Recognize a problem