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Chapter 1 Section 2

TermDefinition
Scale Relative size on a map
Distortion Loss of accuracy
Geographic Information System (GIS) A computer-based system that links information to locations
Projection Method of mapping Earth to a flat surface
Compass Rose A diagram of showing directions
Key (Legend) Explains the symbols and shading on the map
Positives of globes Same shape as Earth; accurate sizes, shapes, distances
Negatives of globes Cannot show much detail; not convenient
Positives of Mercator projection Good for directions; shows correct shapes
Negatives of Mercator projection Does not show correct size or distances; areas near poles are too big
Positives of Equal Area projection Shows correct size of landmasses
Negatives of Equal Area projection Shapes are distorted
Positives of Robinson projection Most sizes, shapes, and distances are accurate
Negatives of Robinson projection Still some distortions, especially around edges
Created by: wcabana