When discussing what the students came up with, point out the historical background regarding the Christian calendar. Present the method of historical inquiry to students. Compare it to the scientific method using a T-chart format. History is what we choose to remember about the past. History involves explaining people and events.
History involves figuring out complicated situations.
History involves making sense out of jumble of facts. This section of the chart can be downloaded as a PowerPoint presentation. Download this adapted version of the PowerPoint presentation and print it in handout form with 3 slides per page. Allow your students to fill in the blanks as you present the information rather than writing down all of the text in the presentation. Observe some aspect of the universe.