All About Maps - PowerPoint PPT Presentation

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  1. All About Maps Types, Tools, and Use

  2. A person who makes maps • Early map makers turned maps into a work of art • Today computers are used to make maps accurate What is a Cartographer?

  3. Globes • Most accurate representation of the earth • Not convenient • Behaim’s Globe: 1st round map but it was missing the America’s What is the most accurate map?

  4. Imaginary lines on the globe mark locations on earth • Grid is made up of latitude and longitude lines • Where lines cross or intersect gives absolute location • Also divide earth into hemispheres What is the Geographic Grid System?

  5. What is the Geographic Grid System? • Longitude Lines • Also called meridians • Go from north to south • Not parallel • Prime Meridian is 0 degrees longitude • Latitude Lines • Also called parallels • Go from east to west • Equator line is 0 degrees latitude

  6. What other ways is earth mapped? • Map projections • Way of representing earth on a flat surface • All map projections change the actual shape of the earth • Polar projection • Mercator projection • Robinson projection

  7. What are the different types of maps? • Physical Maps • Show mountains, lakes, rivers, and other physical features • Political Maps • Show boundaries such as countries, states, provinces • Historical Maps • Economic activities, migration, battles,

  8. What tools help us read maps? • Legend • Compass Rose • Cardinal directions: North South East West • Scale • Ratio between distance on map and actual distance on earth • Symbols, Lines, Color

  9. Let’s Practice! • Using Scale