Show the picture so we can answer
I had put the answer on a ScreenShot, so you can see what part is what.(I hope this helps you! Feel free to message me if you have any further questions :) Have a nice day!!)
Mr. Birkway was not upset with Phoebe because he read her suspicions out to the class in her private journal, he then explained to Phoebe what happened regarding Mrs. Cadaver, Mr.Cadaver, Mrs. Partridge, and himself.
A scene can mean two things. A scene can be the setting of a story, or (what I think you are referring to) it can be a segment of an Act of a play. A scene separation within a play is usually included in order to allow time for a change in setting during the performance. A chapter is a segment of a book. So, to summarize, a scene is a segment of a play and a chapter is a segment of a book.
Answer:
I just sketch it out until it looks right if you have a pencil that is easy to erase just keep on trying until it looks like how you want it