Question 1

What natural feature marks the boundary between tectonic plates in the Atlantic Ocean?

Accepted Answer

The Mid-Atlantic Ridge

Answer

The Andes Mountains

Answer

The Mariana Trench

Answer

The Great Barrier Reef

Question 2

What geological process explains the movement of continents according to the text?

Accepted Answer

Seafloor spreading

Answer

Continental drift

Answer

Subduction

Answer

Hydrothermal vent formation

Question 3

What is the primary characteristic of hydrothermal vents?

Accepted Answer

They are created by super-heated, mineral-rich water gushing out from the ocean floor.

Answer

They are sand deposits

Answer

They are formed by volcanic eruptions

Answer

They are cold water springs

Question 4

What can seamounts become if they grow tall enough above the ocean surface?

Accepted Answer

Islands

Answer

Tectonic plates

Answer

Atolls

Answer

Reefs

Question 5

What is the name of the deepest known ocean trench mentioned in the text?

Accepted Answer

The Mariana Trench

Answer

The Tonga Trench

Answer

The Java Trench

Answer

The Puerto Rico Trench

Question 6

How hot can the water at a hydrothermal vent get?

Accepted Answer

750°F

Answer

1000°F

Answer

500°F

Answer

300°F

Question 7

What unique type of organism is commonly found near hydrothermal vents?

Accepted Answer

Giant tube worms

Answer

Dolphins

Answer

Coral polyps

Answer

Sea turtles

Question 8

What type of mountain formation can be found alongside mid-ocean ridges?

Accepted Answer

Seamounts

Answer

Volcanic islands

Answer

Plateaus

Answer

Valleys

Question 9

What was a significant milestone achieved by James Cameron in 2012 regarding the Mariana Trench?

Accepted Answer

He filmed his descent and view of the ocean floor.

Answer

He traveled deeper than anyone else

Answer

He found treasure

Answer

He discovered new species

Question 10

What was the temperature at the bottom of the Mariana Trench?

Accepted Answer

Just a few degrees above freezing

Answer

Warm and tropical

Answer

Around 100°F

Answer

Boiling hot

Question 11

What is a hydrothermal vent?

Accepted Answer

A deep-sea geyser that releases hot, mineral-rich water

Answer

A type of ocean trench

Answer

A seamount

Answer

An underwater volcano

Question 12

What do scientists look for to locate hydrothermal vents?

Accepted Answer

Plumes of hot, mineral-rich vent water

Answer

Temperature changes in the water

Answer

Large waves

Answer

Fish schools

Question 13

What is the deepest known point in the ocean called?

Accepted Answer

Challenger Deep

Answer

Mariana Abyss

Answer

Pacific Deep

Answer

Trench of Mystery

Question 14

How many times had people traveled to the bottom of the Mariana Trench as of 2014?

Accepted Answer

Twice

Answer

Three times

Answer

Once

Answer

Ten times

Question 15

What kind of animals live around hydrothermal vents?

Accepted Answer

Giant tube worms, crabs, clams, and shrimp

Answer

Sea turtles and jellyfish

Answer

Coral and sponges

Answer

Dolphins and sharks

Question 16

What is the average depth of the ocean, and how does it compare to the depth of the Mariana Trench?

Accepted Answer

The average depth is about 14,000 feet, while the Mariana Trench is nearly 7 miles deep

Answer

The trench is shallower than the average depth

Answer

The average depth is 7 miles

Answer

The average depth is deeper than the trench

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