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# Introduction to Longitude & Latitude

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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!

Relative Location: Compass & Cardinal Directions
W E S NE SW NW SE N W E S

N W E S NE SW NW SE Relative Location You are here!

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.

Absolute Location This is earth!
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 Prime Meridian Equator 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 0 degrees

Question 1: Which letter represents the EQUATOR
Question 2: Which letter represents the PRIME MERIDIAN Question 3: Lines of Latitude are the color Green. Which letter represents 30 degrees North and 30 degrees South? Question 4: Lines of Longitude are the color blue. Which letter represents 30 degrees East and 30 degrees West?

Finding Places Using Longitude and Latitude
TLW locate places using Longitude and Latitude

Recall: Grid Horizontal Lines = Latitude Vertical Lines = Longitude

40°N Latitude, 105° W Longitude
Finding Places 41°N 40°N 39°N 38°N 37°N 109°W 108°W 107°W 106°W 105°W 104°W 103°W 102°W Grand Junction Delta Durango Pueblo Colorado Springs Pikes Peak Mt. Elbert Boulder Denver 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

Practicing Map Skills Which line of Latitude runs near Pikes Peak?
Grand Junction Delta Durango Pueblo Colorado Springs Pikes Peak Mt. Elbert Boulder Denver 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?

Answers 39°N 105°W 39° N Latitude, 105° W Longitude Delta
Grand Junction Delta Durango Pueblo Colorado Springs Pikes Peak Mt. Elbert Boulder Denver What is the coordinates of the City of Durango? 37½° N Latitude, 108° W Longitude

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