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Ch 1
| Question | Answer |
|---|---|
| Topography | The shape of the land determined by the elevation, relief and land forms |
| Elevation | Height above sea level |
| Relief | The difference in elevation between the highest and lowest parts of an area |
| Land form | A feature of topography formed by the process that shape Earth |
| Plain | A land form made up of flat grassy areas |
| Mountain | A land form with high elevation and high relief |
| Mountain Range | A group of mountains that are closely related in shape and size |
| Plateau | A area with high elevation and a more or less level surface |
| Land Form Region | A large area where the topography is made up of mainly one type of land form |
| Lesson 2 | |
| Globe | A sphere that represents Earths entire surface |
| Map | A flat model of Earth's surface as seen from above |
| Map Projection | A framework of lines that helps transfer points onto a flat map |
| Symbol | On a map a picture used by map makers to mark features on Earth's surface |
| Key | A list of symbols and their meanings |
| Scale | Used to relate distance on a map or globe |
| Degree | A unit used to measure a circle |
| Equator | The imaginary line that separates the northern and southern hemisphere |
| Hemisphere | The two sections that are separated by the equator |
| Prime Meridian | The line that makes the half circle through the north and south pole |
| Latitude | The difference in degrees north or south of the equator |
| Longitude | The distance in degrees east or west of the prime meridian. |
| Lesson 3 | |
| surveying | The process for gathering data for a map by using instruments |
| digitizing | Converting data to numbers by use of a computer |
| pixel | One bit of a digitized image |
| aerial photograph | A photo taken from a camera on a plane |
| satellite image | A image taken from a satellite |
| Global Positioning System | A navagation system used to make detailed maps to tell you where to go |
| Geographic Information | A system of computers to produce interactive maps |
| Lesson 4 | |
| Topographic map | A map that shows the surface features of an area |
| contour line | A line on a topographic map that shows lines of equal elevation |
| contour interval | The difference between two contour lines elevation |
| index contour | On a topographic map a heavier line that is labeled with elevation of that contour line |
Created by:
alefer003