AUFC+6.1

Vocabulary

 * Topography:** The geographical features of a piece of land, such as mountains, rivers, and valleys
 * Elevation:** The height above sea level of a point on the Earth's surface
 * Relief:** The difference in elevation between the highest and lowest parts of an area
 * Landform:** A feature of topography formed naturally formed from the Earth
 * Landform region:** A large area of land where the topography is similar is called a landform region
 * Plain:** A landform made up of flat or gently rolling land with low relief
 * Mountain:** A landform with a high elevation and relief
 * Mountain range:** A group of mountains that are closely related in shape, structure, and age
 * Plateau:** A landform that has a high elevation and a more or less level surface
 * Lithosphere:** Earth's solid, rocky outer layer
 * Atmosphere:** The outermost sphere
 * Hydroshere:** Earth's oceans, lakes, rivers, and ice
 * Biosphere:** All living things make this up