ESRI - Exploring GIS Maps Questions and Answers 2024/2025

basemap  A map depicting locational reference information, such as landforms, roads, landmarks, and political boundaries. feature  A representation of a real-world object on a map. GIS  Geographic information system. GIS uses interactive maps to analyze data and help answer questions about the world. layer  A collection of related features in a GIS map. The features in a layer usually have the same theme, geometry, and set of attributes. For example, a GIS layer might use lines (geometry) to represent streets (theme) and include the name of each street (attribute). scale  The ratio or relationship between a distance or area on a map and the corresponding distance or area on the ground. Scale is commonly expressed as a fraction or ratio. Example: A scale of 1:1,000,000 means that 1 unit on the map equals 1 million units on the earth. In other words, 1 inch on the map shows 1 million inches on the earth (about 189 miles). 2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel! 1 | P a g e | G r a d e A + | 2 0 24 / 2 0 2 5 spatial analysis  The process of examining the locations, attributes, and relationships of features in spatial data to address a question or gain useful knowledge. Map location  You can use a map to determine where things are in relation to each other. Map quantities  Maps that show quantities can reveal patterns. Example: Imagine a map of counties in the United States where the makers used different colors to show the percentage of women in the population of each county. Map what is inside  GIS allows you to see patterns and relationships in your geographic data. Using GIS for analysis, you can find out why things are where they are and how things are related.