A | B |
poles | 90? north or south latitude |
geographic map | a detailed and accurate graphic representation of cultural and natural features on the ground |
compass | a device with magnetic needles used for showing the direction |
index contour line | a heavier line on topographic map showing overall elevation |
contour lines | a line that connect a series of points of equal elevation |
atitude | imaginary lines that are specific distances north/south of the equator |
international date line | an imaginary line that goes north and south through the Pacific Ocean, one day is on the east side of the line and the following day is on the west side |
equator | an imaginary line that runs around the thickest part of the Earth |
prime meridian | an imaginary line that runs from North to South Pole through Greenwich England |
geographic features | natural and man-made components of the Earth |
time zones | series of 40 different zones around the world, ideally each zone is one hour earlier or later than the previous one |
relative sea-level | the average level of the surface of the sea, used as a standard in measuring heights and depths |
longitude | the distance on the Earth's surface between a specific point and the prime meridian |
elevation | the height above the ground or other surface, or a place or position of height |
topographic map | the physical configuration of the earth's surface, depicted on a topographic map by contour lines and spot heights |
map scale | the ratio of a distance on the map to the corresponding distance on the ground |
topography | the study of surface shape and features of the Earth |
direction | the way something is facing or traveling |