ArcVoyager requires the prior installation of ArcView GIS, although ESRI made a version—ArcVoyager Special Edition—that can be installed without having ArcView. The major disadvantage of ArcVoyager Special Edition is that it does not permit students to save their work.

Although it is a relatively simple process, program installation has sometimes presented obstacles to the classroom use of ArcVoyager. Both versions of ArcVoyager are installed from ESRI’s GIS for Schools and Libraries CD that also includes extensive links and resources for teachers. Teachers with

FIGURE 8.8 ArcView digitizing. (a) With the image feature turned off, the display shows point, line, and polygon features and the pull-down tool selections from which the appropriate tool was selected to accomplish the digitizing. (b) With the image feature turned on, the graphic shows what the display looks like after a student digitizes point, line, and polygon features.

6. Be Accessible to and Supportive of the Full Range of Learners. GIS use in K–12 education is minimal. However, although the adoption of GIS in schools is in its very early stages, all students—in keeping with the purpose of the No Child Left Behind Act of 2001 (Public Law 107-110)—should have a fair, equal, and significant opportunity to use technology as it becomes available to them.

The general purpose of Public Law 107-110 is “to ensure equal educational opportunity for all children regardless of socioeconomic background and to close the achievement gap between poor and affluent children by providing additional resources for schools serving disadvantaged students” (Public Law 107-110, section 1001). Section 2402 of Public Law 107-110 focuses on improving the academic achievement of differently-abled students through the effective use of technology. The

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