| A | B |
|---|
| TOPAGRAPHY | The shape of the land determined by elevation, relief, and landforms |
| ELEVATION | Height above sea level |
| RELIEF | Difference in elevation between the highest and lowest parts of an area |
| LANDFORM | Feature of topography formed by the processes that shape Earth’s surface |
| LANDFORM REGION | A large area of land where the topography is similar |
| PLAIN | A landform made up of flat or gently rolling land with low relief |
| MOUNTAIN | A landform with high elevation and high relief |
| MOUNTAIN RANGE | A series of mountains that have the same general shape and structure |
| PLATEAU | A landform that has high elevation and a more or less level surface |
| LITHOSPHERE | Earth’s solid rock outer layer |
| ATMOSPHERE | The mixture of gases that surrounds Earth |
| HYDROSPHERE | Earth’s water and ice |
| BIOSPHERE | All living things |
| PIXEL | The tiny dots in a satellite image |
| SATELLITE IMAGE | Pictures of the land surface based on computer data collected from satellites |
| DIGITIZING | Converting information to numbers for use by a computer |
| MAP | A model of all or part of Earth’s surface as seen from above |
| GLOBE | A sphere that represents Earth’s surface |
| SCALE | Used to compare distance on a map or globe to distance on Earth’s surface |
| KEY | A list of the symbols used on a map |
| SYMBOLS | On a map, pictures used by mapmakers to stand for features on Earth’s surface |
| EQUATOR | An imaginary line that circles Earth halfway between the North and South poles |
| LATITUDE | The distance in degrees north or south of the equator |
| LONGITUDE | The distance in degrees east or west of the prime meridian |
| CONTOUR LINE | A line on a topographic map that connects points of equal elevation |
| MAP PROJECTION | A framework of lines that helps to show landmasses on a flat surface |
| TOPOGRAPHIC MAP | A map that shows the surface features of an area |
| CONTOUR INTERVAL | The difference in elevation from one contour line to the next |
| Global Positioning System | A method of finding latitude and longitude using satellites |
| PRIME MERIDIAN | The line that makes a half circle from the North Pole to the South Pole and that passes through Greenwich, England |
| HEMISPERE | One half of the sphere that makes up Earth’s surface |
| DEGREE | A unit used to measure distances around a circle |
