Explain what a bathymetric map is. In your explanation, describe how it differs from a topographic map.

Charts and maps are basic tools of ocean navigation. They contain important information such as ocean depth, geographic features and landmarks, and latitude and longitude. So there’s a volcano below you, can the day get any worse? In the map case you find a bathymetric map of the Pacific Ocean (how convenient). Notice how many other atolls are on the map. This used to be a volcanically active area!

The Captain’s Orders
To help you understand the oceanic world, you’ll need to refresh your mapping and navigational skills. There is a computer on the Captain’s desk. You’ll need to use it to help you complete the task for the Captain. Answer the following questions using your survival skills and the internet.

Objective
Interpret ocean floor physiography, relief, and depths from bathymetric maps and charts.

Questions
Answer the following questions using your survival skills and the internet.

Explain what a bathymetric map is. In your explanation, describe how it differs from a topographic map.
What’s the average depth of the oceans?
Where is the deepest spot in the ocean? How deep is it?
What is the name of the deepest spot in the ocean?
There are a lot of features in the bottom of the sea. Navigate to http://www.purposegames.com/game/ocean-basin-quiz and start the Ocean Basin activity. Take a screenshot of your results.