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Introduction to Longitude & Latitude. Learning about Absolute Location. Relative Location. Where you are in relationship to other things! For example: Direction (North, South, East, or West) Physical (streets or structures) Distance (feet, yards, or miles)
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Introduction to Longitude & Latitude Learning about Absolute Location
Relative Location • Where you are in relationship to other things! • For example: • Direction (North, South, East, or West) • Physical (streets or structures) • Distance (feet, yards, or miles) • You have a flat tire and no spare tire. You need help. • Please tell the tow truck driver how to find you!
N N NW NE E E W W SE SW S S Relative Location: Compass & Cardinal Directions
N NW NE E W You are here! SW SE S Relative Location
Absolute Location • Your boat has ran out of fuel in the middle of the ocean. You need help • Tell the coast guard how to find you. • What do you do if there is nothing available to establish a relationship with.
Prime Meridian Equator Absolute Location • It is an imaginary grid system of lines covering the entire world. • The main two divide the earth into hemispheres (halves) • Equator and Prime Meridian • There are two sets of lines. Lines of Longitude and Latitude This is earth!
Lines of Latitude • Lines of Latitude • Starting Point: Equator • 0 degrees • There are 360 lines (360 degrees in a circle) • Run from Left to Right • However, they measure North and South
Lines of Longitude • Lines of Longitude • Starting point: Prime Meridian • 0 degrees • There are 360 lines (360 degrees in a sphere) • Run from up and down • However, they measure East to West • The starting point is the Prime Meridian, @ 0 degrees
Finding Places Using Longitude and Latitude TLW locate places using Longitude and Latitude
Recall: Grid Horizontal Lines = Latitude Vertical Lines = Longitude
109°W 108°W 107°W 106°W 105°W 104°W 103°W 102°W 41°N Boulder 40°N Denver Mt. Elbert Grand Junction 39°N Delta Pikes Peak Colorado Springs Pueblo 38°N Durango 37°N Finding Places Find 40 ° N Latitude What city is located at this latitude? Boulder What line of Longitude is closest to this city? 105° W Latitude is always written first: How would you write the coordinates correctly for the city of Boulder? N 40°N Latitude, 105° W Longitude
109°W 108°W 107°W 106°W 105°W 104°W 103°W 102°W 41°N Boulder 40°N Denver Mt. Elbert Grand Junction 39°N Delta Pikes Peak Colorado Springs Pueblo 38°N Durango 37°N Practicing Map Skills • Which line of Latitude runs near Pikes Peak? • Which line of Longitude runs near Pikes Peak? • Write the correct location for Pikes Peak using Longitude and Latitude • What city is near 39°N Latitude, 108°W Longitude?
109°W 108°W 107°W 106°W 105°W 104°W 103°W 102°W 41°N Boulder 40°N Denver Mt. Elbert Grand Junction 39°N Delta Pikes Peak Colorado Springs Pueblo 38°N Durango 37°N Answers • 39°N • 105°W • 39° N Latitude, 105° W Longitude • Delta What is the coordinates of the City of Durango? 37½° N Latitude, 108° W Longitude