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Human Geography
Chapter 1- Part 7
| Question | Answer |
|---|---|
| What is remote sensing? | A way of gathering data without making physical contact |
| What is Global Positioning System (GPS) | an integrated network of at least 31 satellites in the US system that orbit Earth and transmit location data to handheld receivers |
| What are cartographers? | People who created maps to help explorers follow their routes |
| why are maps important? what do maps show? | they display data in a spatial way. they show spatial data and the distribution |
| absolute distance | distance that can be measured using standard unit of length |
| absolute distance example | the distance from Palatine to Chicago is exactly 28 miles |
| relative distance | measured in terms of other criteria such as time or money |
| relative distance example | it takes approximately 7 hours to fly from New York to Paris, France |
| absolute direction | use to describe direction and location when interpreting maps. cardinal directions |
| absolute direction examples | north, south, east, west |
| relative direction | used to describe directions and locations when interpreting maps, people's perceptions |
| relative direction examples | left, right, up, down, front, behind |
| how are maps an important problem-solving tool | they are the way geographers depict relationships of time, space, and scale |
| large scale map | a map that has lots of details and shows only a small area |
| medium-scale map | a map that doesn't have as many details as a large scale map and shows a larger area than a large scale map |
| small-scale map | a map that shows a very large area and has few details |
| what is a map scale? | the mathematical relationship between the size of a map and the part of the real world it shows |
| what are 3 ways that a map scale can be expressed? | as a representative fraction, a written scale, or geographically |
| why is the scale of a map important | it is an important clue to the level of detail portrayed on the map as well as the purpose of the map |
| what are map projections? | any method used to represent world or part of the world in 2 dismensions |
| mercator advantages | the continents shapes are maintained and direction is displayed accurately |
| mercator limitations | the sizes of the continents are very distorted |
| gall-peters advantages | the relative size of the continent is more easily displayed than other projections |
| gall-peters limitations | the shape of the continents is distorted |
| Robinson advantages | its unique, globe-like appearance makes it useful for many different types of maps |
| robinson disadvantages | the shapes of the continents become more distorted farther away from the equator or the maps central meridian. also, direction is only true along the parallel lines |
| azimuthal advantages | preserves direction, when used from the point of the north pole, no country is seen as a center |
| azimuthal disadvantages | distorts shape and area, only shows one half of the earth |
Created by:
ElizabethC117