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The earth’s surface


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The earth’s surface

  1. 1. The Earth’s Surface<br />
  2. 2. Topography<br />Topography includes an area’s…<br />Elevation<br />Relief<br />Landforms<br />
  3. 3. Elevation<br />The height above sea level of a point<br />
  4. 4. Relief<br />The difference in elevation between the highest and lowest parts of an area<br />Huge mountains separated by valleys have a high relief<br />
  5. 5. Landforms<br />A feature of topography, such as a hill or valley.<br />Different landforms produce a combination of elevation and relief<br />
  6. 6. Types of Landforms<br />Plains<br />Mountains<br />Plateaus<br />
  7. 7. Plains<br />A landform made up of nearly flat or rolling land with low relief<br />Coastal plains = ocean side<br />Interior plains = plains away from the coast<br />The Great Plains extend north from Texas into Canada<br />
  8. 8. Mountains<br />A landform with high elevation and high relief<br />A mountain range is a group of mountains that are related in structure<br />Different ranges in a region make up a mountain system<br />
  9. 9. Plateaus<br />A landform that has high elevation and a more level surface<br />Plateaus are rarely perfectly smooth<br />Rivers may cut into the surface<br />
  10. 10. Landform Regions<br />A large area of land where the topography is made up mainly of one type of landform<br />