Science Olympiad Dynamic Planet Practice Test

Which term describes a large landform with high elevation and a level surface?

1. Plateau

2. Mountain

3. Valley

4. Plain

The correct answer is: Plateau

A plateau is defined as a large landform that has significant elevation and a relatively flat or level surface. This geological feature typically rises sharply above the surrounding area, making it distinct from other landforms that might not have the same combination of height and flatness. The flat surface of a plateau can support diverse ecosystems and human activities, as its level ground offers stability. In comparison, a mountain is characterized by steep gradients and peak elevations, while a valley is a low area between hills or mountains, and a plain is generally flat but does not have significant elevation. Thus, a plateau uniquely fits the description provided in the question due to its high, flat nature.