Unit 1 Vocab Flashcards
Cartography
The science of making maps
Culture
The body of customary beliefs material traits, and social forms that together constitutes the distinct tradition
Density
The frequency with which something exists within a given unit of an area
Scale
The relationship between the size of an object on a map and the size of an actual feature on Earths surface.
What kind of scales are there?
Ratio,written, and graphic.
What is a ratio?
A ratio shows the numerical relationship between distances on the map.
What is a written scale?
Describes the relationship between the map and Earth’s distance in words.
What is a graphic scale?
Usually consists of a bar line marked to show distance on Earth’s surface.
What has the smallest scale?
The world
Define projection
The scientific method of transferring locations on Earth’s surface to a flat map.
What two maps are distorted the worst?
Gall-Peters Projection distorts shape and Mercator Projection relative size.
What is remote sensing?
The acquisition of data about Earth’s surface from a satellite orbiting Earth, or from other long distance methods.
What is GIS?
GIS is the analysis of data about Earth through satellite and other electronic technologies.
What is GPS?
GPS is a system that determines the preside position of something on Earth.
What is Mashup?
Mashup is a map that overlays data from one source on top of a map provided by a mapping service, such as Google Maps.