Ocean Floor Quiz

What is the continental shelf?

• The extended portion of a continent submerged under the ocean

• A type of shelf used for displaying continental drift souvenirs

• A geographical feature found on the moon

• A type of shelf used for storing continental breakfast items

What are mid-ocean ridges?

• Underwater mountain ranges formed by plate tectonics

• Underwater plains formed by sedimentation

• Underwater caves formed by volcanic activity

• Underwater valleys formed by erosion

What are abyssal plains?

• Flat areas on the ocean floor

• Mountainous areas on the ocean floor

• Deep trenches on the ocean floor

• Areas with high levels of vegetation on the ocean floor

Why is ocean floor mapping important?

• To study the surface of Mars

• To understand the behavior of birds

• To improve agriculture techniques

• To understand the ocean floor and its features for resource exploration, environmental management, and navigation purposes.

What is the average depth of the ocean floor?

• 12,080 feet (3,682 meters)

• 8,000 feet (2,438 meters)

• 20,000 feet (6,096 meters)

• 5,000 feet (1,524 meters)

Which of the following is not a feature of the ocean floor?

• Valleys

• Deserts

• Plains

• Mountains

What causes mid-ocean ridges to form?

• Global warming

• Meteor impacts

• Seafloor spreading and the movement of tectonic plates

• Volcanic eruptions

Which technology is commonly used for ocean floor mapping?

• Satellite imagery

• Sonar

• Lidar

• Radar

What is the name for the study of the ocean floor and the processes that shape it?

• Botany

• Meteorology

• Oceanography

• Zoology

What is the largest ocean on Earth?

• Pacific Ocean

• Arctic Ocean

• Indian Ocean

• Atlantic Ocean