Exploring the Ocean: Mysteries and Challenges

What percentage of the Earth's surface is covered by the ocean?

• 80%

• 70%

• 60%

• 50%

Where do scientists believe life on Earth originated?

• On land

• In space

• In the ocean

• In the atmosphere

What is thalassophobia?

• Fear of enclosed spaces

• Fear of heights

• Fear of deep water

• Fear of flying

Which legendary sea monster is said to be able to swallow entire boats?

• Kraken

• Mermaid

• Loch Ness Monster

• Leviathan

What is the most famous lost city said to be submerged by the ocean?

• Camelot

• El Dorado

• Shangri-La

• Atlantis

How many shipwrecks are estimated to be on the ocean floor?

• 3 million

• 4 million

• 2 million

• 1 million

What natural disaster can follow an earthquake in the ocean?

• Volcanic eruption

• Tsunami

• Tornado

• Hurricane

What is the deepest point of the Mariana Trench?

• 46,000 ft

• 36,000 ft

• 26,000 ft

• 56,000 ft

What is the pressure at the bottom of the Mariana Trench compared to sea level?

• 1,000 times

• 500 times

• 100 times

• 1,500 times

What has been a major reason for the lack of ocean exploration compared to space?

• Lack of resources

• Lack of technology

• Lack of time

• Lack of interest