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Ch 1 Latitude and Longitude

Ch 1 Latitude and Longitude. pp. 2 - 17. Relative Location – general location of a place described in terms of distance and direction from another place. Absolute Location – the exact location of a point on the earth’s surface identified by coordinates (latitude, longitude).

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Ch 1 Latitude and Longitude

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  1. Ch 1 Latitude and Longitude pp. 2 - 17

  2. Relative Location – general location of a place described in terms of distance and direction from another place. • Absolute Location – the exact location of a point on the earth’s surface identified by coordinates (latitude, longitude). • Global Positioning System – technology that uses satellite to give precise location of any place on earth’s surface. Vocabulary

  3. Cultural features – feature on earth caused by human activity – city, roads, bridges, etc. • Physical features – feature on earth caused by natural forces – river, oceans, sand dunes, forests. • Topographic map – map which shows surface features of a region, both cultural and physical. Vocabulary

  4. Small-scale map – map showing a small amount of detail – provincial road map. • Large-scale map – map that shows a large amount of detail – city road map. Vocabulary

  5. Lines of latitude and longitude are a universal language of location. We can use these lines to pinpoint a specific location on the earth’s surface. Ch 1 Latitude and Longitude

  6. Lines of latitude are drawn east – west, circling the globe, to show distances north or south of the equator. The equator has a latitude of 0o. The greatest distances are the North pole, 90oN, or the South pole, 90o S. Ch 1 Latitude and Longitude

  7. Lines of longitude run north – south pole to pole. They are used to measure distances east and west of the Prime Meridian. The Prime Meridian passes through Greenwich, England. It measures 0o longitude. Ch 1 Latitude and Longitude

  8. latitude and longitude Ch 1 Latitude and Longitude

  9. In the past, latitude was calculated by measuring in degrees, the height of the North Star above the horizon. Longitude was calculated by finding out the local time, using the position of the sun, and then comparing it with the local time in Greenwich, England. Greenwich time was recorded on a timepiece called a chronometer which they carried with them. Ch 1 GPS

  10. How GPS Works • Today we use GPS, or Global Positioning System. • GPS consists of a fleet of satellites that orbit the earth twice a day to give the precise time and location of any place on the earth. The GPS receiver gets a signal from at least 3 satellites. The receiver calculates the distance to each satellite, and then can determine the absolute location. Ch 1 GPS

  11. Uses: • Tracking wildlife • Weather patterns • Navigation • Military • Vehicle tracking • Emergencies – fire, police, ambulance • Child find • Monitor criminals Ch 1 GPS

  12. Latitude and Longitude (Fig. 1.1 p.2 of text) • Latitude • 1) What city is located below 450N? • 2) What city is located above 450N? • 3) What city is located 470 30'N? • 4) What city is located just north of 500N? • 5) Philadelphia is located on what degree of latitude? Questions p. 2

  13. Longitude • 1) What city is located at 750W? • 2) What city is located at 740W? • 3) What bay is located west of 750W? • Longitude and Latitude • 1) 470 30'N, 530 30'W • 2) 500 30'N, 50W • 3) 410N, 740W? • 4) Name a sea north of 500N and west of 100E? Questions p. 2

  14. Use map of Maritimes pg. 4 • 1) 46010'N, 60010'W  • 2)Name a bay north of 460N and east of 660W • 3) 46030'N, 63020'W • 4) 44045'N, 63030'W • 5) 470N, 640W • 6) The ferry to the Iles de la Magdeline leaves from Souris (Eastern tip of P.E.I) at this absolute location. Give the coordinates. Questions p. 4

  15. 7) 480N, 66020'W • 8) Name a river north of 480N and west of 660W • 9) What is the absolute location of St. Stephen N.B.?  • 10) What is the absolute location of Summerside, P.E.I.? Questions p. 4

  16. Read p. 8 of text, complete physical / cultural features worksheet. • Read pp. 10 & 11, answer 1 & 2 p. 11. • Read p. 12, answer 1-4 p. 13 Topographic Map p. 10

  17. Answers p. 11 • 1) A) 900400 – Covehead Bay • B) 920377 – side of a valley • C) 873405 – peninsula • D) 884413 – island • 2) A) 944399 – hotel • B) 912393 – golf course • C) 904364 – sports track • D) 867388 - campsite Answers

  18. Answers p. 13 • 1) a) 7A • b) east of King’s Rd. southwest of Forest Hill Rd. south of University Ave. • 2) a) University Ave. b) in between c) Carleton Park Answers

  19. 3) a) Lord Beaverbrook Art Gallery b) 17 I • 4) a) Christ Church Cathedral b) 6D c) 7D d) south Answers

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