Mariana Trench

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Question 1

What is the deepest surveyed point in the Mariana Trench—and in all of Earth's oceans?

Question 2

Approximately what is the maximum depth of the Mariana Trench in feet and meters?

Question 3

Which two men made the historic first crewed descent to the bottom of Challenger Deep in 1960 aboard the bathyscaphe Trieste?

Question 4

Which Oscar-winning film director made the first solo crewed descent to Challenger Deep in 2012 aboard 'Deepsea Challenger'?

Question 5

What is the approximate hydrostatic water pressure exerted at the bottom of the Mariana Trench?

Question 6

What oceanic ecological depth zone, named after the Greek mythological underworld, encompasses trenches below 6,000 meters?

Question 7

What tectonic plate boundary process formed the crescent-shaped depression of the Mariana Trench?

Question 8

Which extreme American explorer completed multiple dives to Challenger Deep and scaled Mount Everest to achieve the 'Ultimate Explorer' record?

Question 9

What ghostly, translucent vertebrate fish holds the world record for the deepest living fish collected in the Mariana Trench?

Question 10

What single-celled giant amoeba-like organisms the size of a tennis ball thrive in the crushing sediment of the trench floor?

What is the deepest surveyed point in the Mariana Trench—and in all of Earth's oceans?