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Latitude and Latitude and LongitudeLongitude

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Grid SystemGrid System

Lines of latitude and longitude cover Lines of latitude and longitude cover the entire Earth, allowing us to find the entire Earth, allowing us to find any location.any location.

The The cardinal directionscardinal directions are North, are North, South, East and West.South, East and West.

Lines of Latitude run East to West

Lines of Longitude run North and South.

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LatitudeLatitude Start at equator (0Start at equator (0ºº))

The Equator runs East & West, dividing the Earth The Equator runs East & West, dividing the Earth into two equal parts.into two equal parts.

Lines of latitude North of the Equator are labeled Lines of latitude North of the Equator are labeled with an “N”, while lines of latitude South of the with an “N”, while lines of latitude South of the Equator are labeled with an “S”.Equator are labeled with an “S”.

Latitude North

Latitude South

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Latitude and LongitudeLatitude and Longitude

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Latitude and LongitudeLatitude and Longitude

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LongitudeLongitude Start at the Prime Meridian, located at Greenwich, Start at the Prime Meridian, located at Greenwich,

England, at 0England, at 0ºº Longitude. Longitude.

Ends on the other side of the Earth at 180Ends on the other side of the Earth at 180ºº Longitude Longitude——the International Date Line.the International Date Line.

The United States is located The United States is located West West of the Prime of the Prime Meridian.Meridian.

Lines of Longitude west of the Prime Meridian are Lines of Longitude west of the Prime Meridian are labeled with a labeled with a ““WW””, while lines of Longitude East of the Prime , while lines of Longitude East of the Prime Meridian are labeled with an Meridian are labeled with an ““EE””..

Longitude West of the Prime Meridian.

Longitude East of the Prime Meridian.

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LongitudeLongitude

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Locating points on the EarthLocating points on the EarthUsing Latitude and LongitudeUsing Latitude and Longitude

Lines of Latitude & Longitude are measured in Lines of Latitude & Longitude are measured in degrees. degrees.

Think back to Global Winds: The Horse Think back to Global Winds: The Horse Latitudes are located at 30ºN & 30º S.Latitudes are located at 30ºN & 30º S.

Coordinates tell the actual location of a place.Coordinates tell the actual location of a place.– Example: 30ºN, 96ºWExample: 30ºN, 96ºW

When giving a location on Earth, list the When giving a location on Earth, list the latitude coordinates 1latitude coordinates 1stst & the longitude & the longitude coordinates 2nd.coordinates 2nd.

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Equator• On your map label the Equator and color it

red.

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Prime Meridian

• Label the Prime Meridian and color it blue.

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Label LatitudeLabel Latitude Label North, South, East, and West—the Label North, South, East, and West—the

cardinal directions.cardinal directions.

Lines of Latitude are shown on the map & they Lines of Latitude are shown on the map & they are spaced 30° apart.are spaced 30° apart.

Label the lines of latitude.Label the lines of latitude.– 30° N 30°S30° N 30°S– 60° N 60° S 60° N 60° S – 90° N 90° S90° N 90° S

Lines of Longitude are shown on the map & they Lines of Longitude are shown on the map & they are spaced 30° apart.are spaced 30° apart.

Label the lines of Longitude.Label the lines of Longitude.– 30°, 60°, 90°, 120°, 150°, 180°30°, 60°, 90°, 120°, 150°, 180°

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180 3060 90120150WEST

EAST

30 °° N

60 °° N

30 °S°S

60°°S

0 °°

90 °° N

90° S90° S

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QuizQuiz1. Lines that run East and West, measured as degrees N & S.1. Lines that run East and West, measured as degrees N & S.

2. Lines that run N & S, measured as degrees E & W.2. Lines that run N & S, measured as degrees E & W.

3. The starting point for latitude.3. The starting point for latitude.

4. The starting point for longitude.4. The starting point for longitude.

5. Lines of latitude and longitude are measured in……5. Lines of latitude and longitude are measured in……

6. When stating the location of a given place which coordinate 6. When stating the location of a given place which coordinate comes first, longitude or latitude?comes first, longitude or latitude?

7. Which coordinate comes second?7. Which coordinate comes second?

8. What are cardinal directions?8. What are cardinal directions?

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AnswersAnswers

1.1. LatitudeLatitude2.2. LongitudeLongitude3.3. The EquatorThe Equator4.4. The Prime MeridianThe Prime Meridian5.5. DegreesDegrees6.6. Latitude comes firstLatitude comes first7.7. Longitude comes secondLongitude comes second8.8. Cardinal Directions are North, South, East Cardinal Directions are North, South, East

and West.and West.