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FINDING LOCATIONS ON EARTH: LATITUDE AND LONGITUDE
Transcript of FINDING LOCATIONS ON EARTH: LATITUDE AND LONGITUDE
2.Explain how latitude and longitude can be used to locate places on Earth’s surface.
3.Explain how a magnetic compass can be used to find directions on Earth’s surface.
4. Utilize the e.s.r.t. to locate latitude and longitude
Latitude The points at which Earth’s axis of rotation intersects Earth’s surface are used as reference points for defining direction.
These points are the geographic North Pole and South Pole.
Halfway between the poles, a circle called the equator divides Earth into the North and Southern Hemispheres parallel any circle that runs east and west around Earth and tat is parallel to the equator; a line of latitude
latitude the angular distance north or south from the equator; expressed in degrees
Degrees of Latitude
Latitude is measured in degrees, and the equator is 0° latitude.
The latitude of both the North Pole and the South Pole is 90°.
Longitude East-west locations are established by using meridians.
meridian any semicircle that runs north and south around Earth from the geographic North Pole to the geographic South Pole;
a line of longitudelongitude the angular distance east or west from the prime meridian; expressed in degrees
Degrees of Longitude
The meridian that passes through Greenwich, England is called the prime meridian.
This meridian represents 0° longitude.
The meridian opposite the prime meridian, halfway around the world, is labeled 180°, and is called the International Date Line.
One way to find direction on Earth is to use a magnetic compass.
A magnetic compass can indicate direction because Earth has magnetic properties as if a powerful bar-shaped magnet were buried at Earth’s center at an angle to Earth’s axis of rotation.
TERRESTRIAL COORDINATES ARE ANGLES NOT LINES!!!