

The following are key concepts that you should be familiar with after reading and studying Chapter 16: The Ocean Floor. To evaluate your understanding of any of the key concepts, select the corresponding Concept Quiz from the Selection Bar and answer the questions provided.
- The nature of the ocean floor.
- Continental margins.
- Deep-ocean basins.
- Oceanic crust, oceanic lithosphere, and oceanic ridges.
- Continental rifting: Creation of new ocean basins.
- Destruction of oceanic lithosphere and the "supercontinent cycle."