Ocean Depths Quiz

What percentage of all living space on Earth do the oceans harbor?

• 75%

• 25%

• 50%

• 99%

At what depth can sunlight no longer reach?

• 3280 feet

• 2400 feet

• 20000 feet

• 9816 feet

At what depth did the USS Triton become the first submarine to circumnavigate the Earth?

• 700 feet

• 831 feet

• 1640 feet

• 2400 feet

What is the temperature around hydrothermal vents?

• Room temperature

• Scalding hot

• 800 degrees Fahrenheit

• Below freezing

What is the deepest any mammal has been recorded swimming?

• 7000 feet

• 9816 feet

• 12000 feet

• 5000 feet

What is the depth of the Mariana Trench?

• 35000 feet

• 29029 feet

• 12000 feet

• 20000 feet

What is the depth of the RMS Titanic wreck?

• 5000 feet

• 10000 feet

• 15000 feet

• 12500 feet

Who descended to the lowest point on Earth, Challenger Deep, in 1960?

• Jack Picard

• James Cameron

• Robert Ballard

• Don Walsh

Who set the record for the deepest dive in Challenger Deep?

• James Cameron

• Robert Ballard

• Jack Picard

• Don Walsh

What percentage of Earth's oceans have humans explored?

• 20%

• 5-10%

• 50%

• 75%