Ocean Floor Features and Processes

Ocean Floor Features and Processes

Assessment

Interactive Video

Geography

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video explores the diverse geology of the ocean floor, highlighting features like the continental shelf, slope, and rise, as well as the ocean basin floor with its trenches and volcanic formations. It discusses the challenges of studying the ocean floor, the use of satellite gravity maps, and the impact of historical sea level changes. The video also covers the mid-ocean ridge and hydrothermal vents, emphasizing the mysteries and potential resources of the ocean depths.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What technology is primarily used to map the ocean floor from space?

Infrared

Lidar

Radar

Sonar

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the average depth of the continental shelf?

80 meters

130 meters

300 meters

200 meters

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During the last ice age, what happened to the continental shelves?

They were submerged underwater

They became dry land

They formed new islands

They eroded completely

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What feature is formed by currents of dense water on the continental slope?

Seamounts

Mid-ocean ridges

Abyssal plains

Submarine canyons

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for the region between the continental slope and the ocean basin floor?

Continental rise

Abyssal plain

Ocean trench

Continental margin

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percentage of Earth's surface is made up by the ocean basin floor?

20%

40%

50%

30%

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What distinguishes a geo from a seamount?

Geos are active volcanoes

Geos are found only in the Pacific Ocean

Geos are eroded on top

Geos are cone-shaped

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