1. World Geography UNIT I VOCABULARY

2. Directions  Procure a sheet of paper  Use the internet to define the following vocabulary on the sheet of paper using complete sentences.

3. Geographic Information Systems A geographic information system ( GIS ) is a system designed to capture, store, manipulate, analyze, manage, and present all types of spatial or geographical data.

4. Satellite Image An image taken by a satellite.

5. Map a diagrammatic representation of an area of land or sea showing physical features, cities, roads, etc.

6. Globe A 3-dimensional representation of the earth.

7. Databases A collection of information that is organized so that it can easily be accessed, managed, and updated.

8. Diagram symbolic representation of information according to some visualization technique.

9. Scale- a ratio of size in a map, model, drawing, or plan.

10. Absolute Location- An exact position on the earth’s surface.

11. Latitude- Imaginary Lines that measure degrees North and South of the Equator.

12. Longitude- Imaginary lines that measure degrees East and West of the Prime Meridian.

13. Orientation- the relative physical position or direction of something.

14. Map Distortion- Misrepresentations that occur when making a 3 dimensional Earth into a 2- dimensional map.

15. Map projections

16. Mercator MapThe Mercator projection is a cylindrical map projection.

17. 1.Robinson Map- a world map which shows the entire world at once. It was specifically created in an attempt to find a good compromise to the problem of readily showing the whole globe as a flat image.

18. Polar Map-an azimuthal projection drawn to show Arctic and Antarctic areas.