project Scope Management

AssignmentDiscussion Questions
In this weeks course materials we saw that, while no project executes exactly according to plan. Changing the scope of a project needs to be done deliberately. Before we can decide whether to change the projects scope we need to first determine if we need to change project scope.
For this discussion forum, finish this sentence: you know your project scope probably needs to be changed when.
    So, how do we know whether project scope change is really needed?
    What events, activities or other warning signs tell us project scope needs to be re-evaluated?
    Identify one distinct event, activity, or warning sign that indicates a project scope change is probably necessary.

Format: Answer all questions above, 250 Words and Reference.