How much gathering time will your students need?
Should this second oportunity give them more time on the source they consulted the day before, or is it time to move on to a different source?
How deep and how broad is the collection of networked information available to your students when they sit down to do their research? Are they limited to the "free Internet?" Or have you purchased additional sources to speed them on their way to good information?
Provide on this page the step-by-step directions to explain optimal use of this second resource.
Try the searches out yourself to make sure you have anticipated all possible problems and frustrations.