Unit 1 Thinking Geographically - Vocabulary 15 - 24
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10 Terms
Census
An official count or survey of a population, typically recording various details about individuals, such as age, sex, and race.
Absolute Location
A precise position on Earth's surface.
Latitude
The (invisible) horizontal lines circling Earth parallel to the equator; latitude is the degree of distance north or south from the equator, which is at 0 degrees.
Longitude
The (invisible) vertical lines on Earth's surface that mark imaginary circles connecting the North Pole with the South Pole.
Prime Meridian
The zero-degree longitude line that runs through Greenwich, England; also known as the Greenwich Meridian.
Global Positioning System (GPS)
A system of 24 satellites that orbit Earth twice daily and transmit radio signals Earthward; the basis for how many map-based apps that provide directions on how to get from one place to another.
Geographic Information System (GIS)
A software application for capturing, storing, checking and displaying data related to positions on Earth's surface; allows the rapid manipulation of geospatial data for problem-solving and research.
Remote Sensing
The scanning of Earth by satellite or high-flying aircraft in order to obtain information about it.
Aerial Photography
Remote-sensing photography that produces fine-grained, high-resolution, highly detailed images.
Satellite Imagery
Images of Earth's surface gathered from sensors mounted on orbiting satellites; these sensors record in both the visible and non-visible portions of the electromagnetic spectrum, allowing humans to view patterns/processes that can be invisible to the naked eye.