1. Lesson 3: Earth’s Surface

2. Ocean and Continents Earth’s surface is made of oceans and continents. Oceans cover more than 70% of Earth surface.

3. Landforms Landforms are topographic features formed by processes that shape Earth’s surface Elevation is used to describe the height above sea level of a particular feature Relief is a term that scientist use to describe differences in elevation Topography is a term used to describe the shape of a geographic area

4. Landforms Plains are landforms with low relief and low elevations Plateaus are areas with low relief and high elevation Mountains are landforms with high relief and high elevations

5. Major Landform Regions

6. Major U.S. Landform Regions