All Flashcards
Compare reference maps and thematic maps.
Reference maps show locations; thematic maps tell a story about a place.
Compare large scale and small scale maps.
Large scale maps show small areas with great detail; small scale maps show large areas with less detail.
What are the causes and effects of map projection distortion?
Cause: Projecting a 3D sphere onto a 2D surface. Effect: Distortion of shape, area, distance, or direction.
What are the causes and effects of using census data?
Cause: Need for population characteristics. Effects: Informing policy decisions, allocating resources, planning for the future.
What are the steps of how GPS works?
Satellites send signals, receivers get signals, trilateration calculates position, location is displayed.
What are the steps of how GIS works?
Data Input, Data Storage, Data Analysis, Data Output.