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The DCMP provides services designed to support and improve the academic achievement of students with disabilities. We partner with top educational and television content creators and distributors to make media accessible and available to these students.
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Latitude and Longitude

22 minutes

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Videos are generally available for preview to non-members as short clips. Limited full-length titles are also available. Log In to view the full length title.

Browse Full-length Non-member Titles

Black and white closeup of a person's legs walking on a map with continents and latitude and longitude lines. They wear dark pants and sneakers and walk.

How did early seafarers know where they were, or where they were going? How did they navigate? How do today's airplanes and ships know? What are latitude and longitude? How are they useful? Explains the development and use of latitude, longitude, sextant, chronometer, the Prime Meridian, and other navigational systems from ancient to modern times.

Media Details

Runtime: 22 minutes

Topic: Geography
Subtopic: Map Skills
Grade/Interest Level: 7 - 12
Standards:

Release Year: 1994
Producer/Distributor: National Geographic Society
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US map with image of Native Americans and pilgrims sharing food. New Hampshire, Connecticut, Maryland, and Rhode Island are labeled, and the year 1630 is highlighted. Caption. Maryland was founded in 1632, by Lord Baltimore.

Topographic map of the hilly terrain of Lookout Mountain Park. Caption. Topographic maps show the elevation of the land.

Closeup side view of blurry figure with hand to forehead. Caption. Sound of violins playing gloomy tune.

Man in khaki uniform turns and gestures toward sign hung from tree in a forested area. Title card at bottom reads, "Follow." Caption. Follow the directions.

Closeup of a person's hand pointing at a spot on a globe in east Russia.

Digital map of North America with a title overlay that reads, "Weather Map." A red letter L is visible near California, Washington, Mexico, Wyoming, and Mississippi. A blue H is visible near Texas, Missouri, and Tennessee.

Digital map of Earth with an overlay illustration of a flat sphere shape. Text reads, "Robinson Projection."

Digital heat map of the United States with title that reads, "Frequency of Damaging Earthquake Shaking Around the United States." The western U, S, is red, orange and yellow. The eastern U, S, is green, blue, and yellow.

Digital map of earth with longitudinal lines running all the way across. The time on the clock is labeled on bottom and the time differences are labeled on top. The middle section is labeled at 12:00 and 0 time difference.

Closeup of a slice of white cake and a small layered cookie bar on a silver platter. Caption. Have you decided which you want?