Is GIS the real manifestation of Harry Potter's Marauders Map? Introduce your class to the history of geographic information systems (GIS), the technology that allows for easy use of spatial information, with a resource that teaches...

Introduce your class to map projections and coordinates, the basics for the work done in a GIS, with an activity that uses Google Earth to challenge learners to think about the earth's shape. 

Can you read a map? Scholars use an interactive technology tool to analyze maps of various kinds to gather evidence and data to better understand their meanings and usefulness. Using newly obtained knowledge, they form an interpretation...