Look at how the five children behave when they first go into the chocolate factory and at other points in the film. Who has the best behaviour and is the most grateful for the ticket? Why do you think they behave so differently? Will their behaviour matter? How would you behave if it was you? 

https://www.roalddahl.com/create-and-learn/teach/teach-the-stories/charlie-and-the-chocolate-factory-lessons