1. Altitude: the height of an object or point in relation to sea level or ground level
2. Latitude: distance north or south of the equator measured in degrees up to 90 degrees
3. Longitude: distance measured in degrees east or west from an imaginary line (called the prime meridian) that goes from the North Pole to the South Pole and that passes through Greenwich, England
4. Elevation: a place (such as a hill) that is higher than the area around it
5. The Tropics: the part of the world that is near the equator where the weather is very warm
6. Hemisphere: a half of the Earth
7. Cartography: the process or skill of making maps
8. Topography: the art or science of making maps that show the height, shape, etc. , of the land in a particular area
9. GPS: a radio system that uses signals from satellites to tell you where you are and to give you directions to other places
10. Pole: either of the two points at which the axis of a circle cuts the surface of a sphere
11. Analemma: This can be interpreted as how "fast" or "slow" the Sun (or a sundial) is compared to clock time. It also shows how far west or east the Sun is, compared with its mean position.
12. Atlas: a book of maps or charts
13. Map: a diagrammatic representation of an area of land or sea showing physical features, cities, roads, etc.
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