Ocean Floor Discoveries and Theories

The video discusses the importance of accurate ocean mapping during the Cold War due to submarine activity. It explains how survey ships, like the German ship Meteor, used ping methods to create ocean floor profiles. These surveys revealed significant underwater features, including a massive mountain range in the Atlantic Ocean. The video also touches on the Mid-Atlantic Ridge and its potential role in seafloor spreading and continental drift.

Why was accurate mapping of the ocean floor crucial during the Cold War?

• To prevent submarines from getting lost

• To avoid collisions with underwater obstacles

• To find new resources

• To improve communication with submarines

What was the role of the German ship Meteor in ocean mapping?

• It was the first nuclear submarine

• It pioneered ocean floor profiling techniques

• It was used for military operations

• It discovered the Atlantic Ocean

How did survey ships measure the depth of the ocean floor?

• By using underwater cameras

• By timing the return of sound pings

• By sending divers to the ocean floor

• By using satellite imagery

What was a significant discovery made from ocean floor surveys?

• There is a massive mountain range in the Atlantic Ocean

• The ocean floor is completely flat

• The ocean floor is made of gold

• There are no features on the ocean floor

What is the length of the mountain range discovered in the Atlantic Ocean?

• 10,000 kilometers

• 30,000 kilometers

• 60,000 kilometers

• 100,000 kilometers

What was the initial understanding of the ocean floor before these surveys?

• It was covered in coral reefs

• It was entirely made of sand

• It was full of shipwrecks

• It was a smooth, featureless surface

What feature was found in the center of the Atlantic Ocean mountain range?

• A large crater

• A cleft or valley

• A series of volcanoes

• A deep trench

What theory was supported by the discovery of the mountain range in the Atlantic Ocean?

• The theory of oceanic expansion

• The theory of ocean evaporation

• The theory of plate tectonics

• The theory of continental drift

What was the speculated role of the cleft in the mountain range?

• It was a location for seafloor spreading

• It was a place for submarine docking

• It was a site for underwater mining

• It was a habitat for marine life

What was the impact of these ocean floor discoveries on scientific theories?

• They confirmed the ocean floor was flat

• They disproved the existence of tectonic plates

• They provided evidence for seafloor spreading

• They suggested the ocean was shrinking