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Chapter 2

Chapter 2. Latitude and Longitude. Main Idea. Lines of latitude and longitude are used to locate places on Earth (grid network). Latitude……. The distance in degrees north or south of the equator..... Max. = 90 degrees (north & south poles) Min. = 0 degrees (equator)

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Chapter 2

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  1. Chapter 2 Latitude and Longitude

  2. Main Idea • Lines of latitude and longitude are used to locate places on Earth (grid network).

  3. Latitude……. • The distance in degrees north or south of the equator..... • Max. = 90 degrees (north & south poles) • Min. = 0 degrees (equator) • Parallels – lines that connect areas of equal latitude.

  4. Longitude… • Meridians – lines that connect areas of equal longitude. • The distance in degrees east or west of the prime meridian. • Max. = 180 degrees (international date line) • Min. = 0 degrees (prime meridian)

  5. Coordinates • Both latitude and longitude are needed to locate positions on Earth precisely. • Latitude is always first.. • Longitude is always second… • Example: 350 N, 800 E

  6. Sub Co-ordinates…… • 10 of Latitude (70 miles) = 60’ (minutes) • 1’ (1.16 miles) = 60” (seconds) • 1” ( apx. 100 feet) The exact latitude and longitude for Cary Grove is: 420 13’ 17” N, 880 14’ 30” W

  7. Timezones • In most cases, each of Earth’s 24 time zones corresponds roughly to a line of longitude and represents a different hour. However, there are some exceptions.

  8. International Date Line • The International Date Line, 180 meridian, serves as the transition line for calendar days… • Traveling west across the International Date Line advances your calendar one day. • Traveling east moves your calendar back one day.

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