Question: Choropleth

Answer: Most common type of thematic map. Chart things that are evenly distributed throughout a set area.

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Question: Proportional Symbol

Answer: Type of thematic map. Data associated with point locations (ex. county or city). Uses proportionally sized symbols/graphics to represent realistic difference.

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Question: Contour/Isoline

Answer: Type of thematic map. Display 3 dimensional values such as elevation, precipitation, etc.

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Question: Dot Map

Answer: Type of thematic map. Uses dots to show occurrence or feature in a spatial pattern. Used by Dr. Snow in cholera map. Dots can be single units or many entities.

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Question: Cartogram

Answer: Type of thematic map. Map whose area is either larger or smaller

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