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Latitude & Longitude

Latitude & Longitude. Measuring Earth Notes Page 10. ©Mark Place, 2009-2010 www.LearnEarthScience.com. Let’s Look at This Question: How is latitude measured?. 180. 150. 120. 90. 60. 30. 0. 30. 60. 90. 120. 150. 180. 165. 135. 105. 75. 45. 15. 15. 45. 75. 105. 135.

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Latitude & Longitude

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  1. Latitude & Longitude Measuring Earth Notes Page 10 ©Mark Place, 2009-2010 www.LearnEarthScience.com

  2. Let’s Look at This Question: How is latitude measured?

  3. 180 150 120 90 60 30 0 30 60 90 120 150 180 165 135 105 75 45 15 15 45 75 105 135 165 90 80 70 E 60 50 40 30 F 20 10 0 10 G 20 30 40 50 60 H 70 80 90 To get to the next line of latitude, you must move in which of two directions? Equator Latitude

  4. 180 150 120 90 60 30 0 30 60 90 120 150 180 165 135 105 75 45 15 15 45 75 105 135 165 90 80 70 E 60 50 40 30 F 20 10 0 10 G 20 30 40 50 60 H 70 80 90 North South

  5. Latitude is measured and from the South North Equator

  6. Let’s Look at This Question: How is longitude measured?

  7. 180 150 120 90 60 30 0 30 60 90 120 150 180 165 135 105 75 45 15 15 45 75 105 135 165 90 80 70 E 60 50 40 30 F 20 10 0 10 G 20 30 40 50 60 H 70 80 90 Longitude To get to the next line of longitude, you must move in which of two directions? Prime Meridian

  8. 180 150 120 90 60 30 0 30 60 90 120 150 180 165 135 105 75 45 15 15 45 75 105 135 165 90 80 70 E 60 50 40 30 F 20 10 0 10 G 20 30 40 50 60 H 70 80 90 East West

  9. Longitude is measured and from the West East Prime Meridian

  10. Let’s do some plotting.

  11. 180 150 120 90 60 30 0 30 60 90 120 150 180 165 135 105 75 45 15 15 45 75 105 135 165 90 80 70 E 60 50 40 30 F 20 10 0 10 G 20 30 40 50 60 H 70 80 90 On the coordinate system, plot the coordinates given in your notes: D A B C

  12. 180 150 120 90 60 30 0 30 60 90 120 150 180 165 135 105 75 45 15 15 45 75 105 135 165 90 80 70 E 60 50 40 30 F 20 10 0 G 10 20 30 40 50 60 H 70 80 90 State the coordinates for each of the letters in the figure above: 20°N, 75°E 65°N, 50°W 70°S, 15°E 10°S, 135°W

  13. PLEASE TURN TO PAGE 11 OF YOUR NOTES

  14. LATITUDE ALTITUDE BASED ON THE ____________ OF _______________ Demo POLARIS

  15. LATITUDE = ALTITUDE

  16. POLARIS CAN ONLY BE SEEN IN THE HEMISPHERE NORTHERN

  17. 25°N, 100°W Altitude of Polaris 25°

  18. 30°S, 100°E Altitude of Polaris Can't be seen!

  19. 80°S, 65°W Altitude of Polaris Can't be seen!

  20. 45°N, 105°E Altitude of Polaris 45°

  21. LONGITUDE BASED ON EARTH’S ROTATION

  22. LONGITUDE EACH HOUR, EARTH ROTATES 15° (360°/24hrs)

  23. HOW MANY TIME ZONES?

  24. HOW MANY TIME ZONES? 24 TIME ZONES 15° APART

  25. People on the same line of longitude have the same Local Time

  26. Example: Two students record a difference in local time of two hours. How many degrees of longitude apart are they? 15° x 2 hours = 30°

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