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Understanding Geographic Coordinates: Latitude and Longitude

Learn about latitude and longitude, the angular distances north or south of the equator and east or west of the Prime Meridian. Explore how these lines are measured and their significance in locating points on the globe.

amela-hernandez
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Understanding Geographic Coordinates: Latitude and Longitude

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  1. Chapter 3, Section 1

  2. Key Terms Create a flash card for the following key terms (p. 53 in textbook): • Parallel • Latitude • Meridian • longitude If you finish early, study your flash cards!

  3. Latitude • Circles or lines north and south of the equator are called lines of latitude or PARALLELS. • Latitude is the angular distance north or south of the equator.

  4. Measuring Latitude • Latitude is measured in degrees, it is the angular distance North or South of the Equator • Equator is starting point: 0 Degrees • Each line of latitude increases by 15 degrees. • North of the equator = N • South of the equator = S

  5. Measuring Latitude • Each degree of latitude consists of 60 equal parts called MINUTES (‘) • Each Minute is divided into 60 SECONDS (“). • Precise Latitude for Washington D.C. = 38˚53’23” North

  6. Quick Check! • Circles of Latitude are _______ and _______ of the equator. • Latitude is measure in ________, ______, and ________. • Each line of latitude is _____ degrees north or south of the previous line.

  7. Longitude • Longitude shows a location East or West of the PRIME MERIDIAN, 0 degrees. • It is angular distance east or west of the Prime Meridian. • Lines of Longitude are in 15 degree increments and are composed of minutes and seconds.

  8. Longitude • At the equator the distance between each line of longitude is 111 km. • All meridians meet at the poles, so the distance between each line of longitude (meridian) decreases as you move toward the poles.

  9. Animated Latitude and Longitude

  10. Quick Check!! • Lines of longitude are also called ____________. • The ________ __________ is zero degrees longitude. • Distance between meridians _______ as you travel to the poles.

  11. Great Circles • A GREAT CIRCLE is any circle that divides the globe in half. • A GREAT CIRCLE can run in any direction. • A GREAT CIRCLE is the shortest distance between 2 points on a sphere.

  12. Brain Pop- Latitude and Longitude

  13. Assessment Finding Longitude and Latitude Activity Sheet

  14. Daily Quiz

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