Chapter 1 Lesson 2 Models of Earth
Longitude
The distance in degrees east or west of the prime meridian
Latitude
The distance in degrees north or south of the equator.
Degree
1/360 of the distance around a circle.
Map
A flat model of all or part of Earth's surface.
Map Projection
A framework of lines that helps to transfer points on Earth's three-dimensional surface onto a flat map.
Hemisphere
One half of the sphere that makes up Earth's surface.
Symbol
To stand for features on Earth's surface.
Globe
A sphere that represents Earth's entire surface.
Equator
An imaginary line that circles Earth.
Prime Meridian
An imaginary line that makes a half circle from the North Pole to the South Pole.
Scale
Distance on a map to distance on Earth's surface.
Key
Legend, a list of all the symbols used on the map, with an explanation of their meanings.
