Chapter 3 - Models of the Earth
Terms in this set (17)
A two-dimensional, or flat, representation of Earth's surface or a portion of it.
a person who makes maps
A representation of the Earth's rounded surface on a flat piece of paper.
an equal division of Earth's surface into northern and southern halves or eastern and western halves
the imaginary center line of latitude that divides the northern and southern hemispheres.
Imaginary line drawn from the North Pole through Greenwich, England, to the South Pole
distance north or south of the Equator, measured in degrees
Distance east or west of the prime meridian, measured in degrees
A comparison of the distance on a map to the distance in the real world. It helps you find the real distance.
a system that uses reflected radio waves to detect objects and measure their distance and speed
A computer image that assigns distinctive colors to different wavelengths of light reflected from a distant object, delineating surface features; used frequently in satellite images of Earth from space.
A map that shows the surface features of an area.
the arrangement of the natural and artificial physical features of an area.
A line on a topographic map that connects points of equal elevation
the difference in elevation from one contour line to the next.
The steepness of a landscape, calculated as the change in elevation divided by the distance covered.
the angle by which the compass needle varies from true North; magnetic variation
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