Ocean Topography & Earth's Water Distribution

1. Name the low area between tectonic plates as they pull apart.

• Deep-Ocean Margin
• Rift Valley
• Ocean Trench
• Continental Shelf

2. The continents are mostly made up of this type of crust.

• Granite
• Basalt
• Iron
• Salt water

3. This area is made up of continental crust. The ocean here is relatively shallow.

• Continental Slope
• Deep-Ocean Basin
• Continental Margin
• Continental rise

4. This technology is based on the behavior of bats. It is used to locate objects and determine how deep water is.

• Radiation
• SONAR
• Sound Bars
• Bat Sounds

5. The ocean's crust is mostly made up of this type of rock.

• Granite
• Basalt
• Iron
• Salt

6. This is the deepest part of the ocean. Usually between 2.5 and 3.5 miles deep.

• Continental Margin
• Marianna Trench
• Deep-Ocean Basin
• Continental Slope

7. The Marianna Trench is located in this ocean.

• Atlantic
• Pacific
• Southern
• Artic

8. This is the deepest natural trench in the world. It features the Challenger Deep which is approximately 7 miles below sea level.

• Rift Valley
• Marianna Trench
• Volcanic Island
• Abyssal Plain

9. The topography of the world's oceans is nothing like the continents topography.

• True
• False

10. Seamounts and volcanoes are both found on land.

• True
• False