Term
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Definition
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Term
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Definition
| the height above sea level of a point on Earth's surface |
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Definition
| the difference in elevation between the highest and lowest points of an area |
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Definition
| a feature of topography, such as a hill or valley, formed by the processes that shape Earth |
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Definition
| a landform made up of nearly flat or gently rolling land with low relief |
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Definition
| a landform with high elevation and high relief |
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Definition
| a group of mountains that are closely related in shape, structure, area, and age |
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Definition
| a landform that has high elevation and a more or less level surface |
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Definition
| a large area of land where the topography is made up mainly of one type of landform |
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Definition
| a sphere that represents Earth's entire surface |
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Definition
| a flat model of all or part of Earth's surface |
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Definition
| a framework of lines that helps to transfer points on Earth's three-dimensional surface onto a flat map |
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Definition
| pictures and shapes used to stand for features |
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Definition
| a list of all the symbols used on a map |
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Definition
| relates distance on a map to distance on Earth's surface |
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Definition
| 1/360 of the distance of a circle |
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Definition
| halfway between the North and South pole; imaginary line circles the Earth |
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Definition
| on half of the sphere that makes up the Earth |
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Term
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Definition
| makes a half circle from North Pole to South Pole |
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Definition
| distance in degrees north or south of the equator |
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Definition
| distance in degrees east or west of the prime meridian |
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Definition
| determining distances and elevations using instruments and the principles of geometry |
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Definition
| the process by which mapmakers convert the location of map points to numbers |
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Definition
| each bit of a digitized image |
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Definition
| a picture taken from the air |
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Definition
| pictures of the Earth taken from a satellite |
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Term
| Global Positioning System |
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Definition
| a navigational system that uses satellites to fix the location of a radio receiver on Earth's surface |
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| Geographic Information System |
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Definition
| a system of hardware and software used to produce interactive maps of many kinds |
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Definition
| a map showing the surface features of an area |
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Definition
| connects points of equal elevation |
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Definition
| the change in elevation from one contour line to the next |
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