Before Watching
Have students locate Buenos Aires and Santiago on a map of South America and trace Stardust's route between them over the Andes range. How high is the range in that area? What considerations would there be in placing an airport so close to the mountains? As students watch, have them chart information about each piece of evidence and possible conclusions.
After Watching
In the program, investigators originally had one idea of what might have occurred and then modified that idea as new evidence was found. Ask students for an example of a time when their initial conclusions about something changed based on their being open to new facts or more logical reasoning. Have them consider situations such as when they met a new person who seemed unfriendly, but turned out just to be shy. Or an experiment they may have done recently in which their conclusions changed based on their results.
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