Finding Absolute Locations

Tyler Bolstad
14 Jul 201503:59

Summary

TLDRThe video provides a clear tutorial on how to determine absolute locations using lines of latitude and longitude. It explains that latitude lines run horizontally and longitude lines vertically, starting from the equator and the Prime Meridian, respectively. Through several examples, including points in the Southern Hemisphere and near the United States, the video guides viewers on how to locate specific points on a map by first identifying their latitude and then their longitude, emphasizing the importance of the Earth's curved surface. It's an engaging guide for learning map-reading basics.

Takeaways

  • 🌍 Start with latitude when finding absolute locations, as these lines run side to side (flat lines).
  • 🟰 The equator is at 0 degrees latitude and serves as the starting point for measuring latitude.
  • 🧭 To find a point’s absolute location, you need both its latitude and longitude.
  • 📍 Point A is located at 20 degrees south latitude and 100 degrees longitude.
  • 📐 Longitude lines are measured from the Prime Meridian at 0 degrees and can be either east or west.
  • 🔄 On maps, longitude lines are curved due to the Earth's spherical shape.
  • 🔄 Point B is at 80 degrees north latitude and 0 degrees longitude, right on the Prime Meridian.
  • 🇺🇸 Point G is located in the United States, near South Dakota, at 40 degrees north latitude and 100 degrees west longitude.
  • 🗺️ Longitude for Point G is west of the Prime Meridian.
  • 🗺️ Understanding how to use latitude and longitude lines is essential for pinpointing absolute locations on a map.

Q & A

  • What are the two types of lines used to pinpoint locations on Earth?

    -The two types of lines used to pinpoint locations on Earth are lines of latitude and lines of longitude.

  • Which line of latitude is the starting point for measuring latitude?

    -The equator, which is at 0 degrees, is the starting point for measuring latitude.

  • What direction do latitude lines run?

    -Latitude lines run side to side, parallel to the equator.

  • How do you find the latitude of Point A according to the script?

    -To find the latitude of Point A, you start at the equator (0 degrees) and travel 20 degrees south.

  • What is the longitude of Point A as described in the script?

    -Point A is located at 100 degrees longitude.

  • Why are lines of longitude curved on a map?

    -Lines of longitude are curved on a map because they represent the circular paths around the Earth, which is a sphere, not a flat surface.

  • How is the absolute location of Point B described in the script?

    -Point B's absolute location is described as 80 degrees north latitude and 0 degrees longitude, which is the intersection of the 80th parallel and the Prime Meridian.

  • What is the significance of the Prime Meridian in measuring longitude?

    -The Prime Meridian is the 0 degrees longitude line from which eastward and westward longitudes are measured.

  • How does the script suggest finding the longitude of Point G?

    -The script suggests starting at the Prime Meridian (0 degrees) and moving 100 degrees west to find the longitude of Point G.

  • What is the latitude of Point G according to the script?

    -Point G is located at 40 degrees north latitude.

  • What is the longitude of Point G and which side of the Prime Meridian does it fall on?

    -The longitude of Point G is 100 degrees west longitude, which means it falls to the west of the Prime Meridian.

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Transcripts

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相关标签
GeographyNavigationLatitudeLongitudeEarth ScienceEducationalCartographyLocation FindingGISMap Skills
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