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Question 1

Pacific ocean

Answer 1

The Pacific Ocean is the largest and deepest of Earth’s five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean in the south, and is bounded by the continents of Asia and Oceania in the west and the Americas in the east.

Question 2

Atlantic ocean

Answer 2

The Atlantic Ocean is the second-largest of the world’s five oceans, with an area of about 106,460,000 km². It covers approximately 20% of Earth’s surface and about 29% of its water surface area.

Question 3

Indian ocean

Answer 3

The Indian Ocean is the third-largest of the world’s five oceanic divisions, covering 70,560,000 km² or ~19.8% of the water on Earth’s surface. It is bounded by Asia to the north, Africa to the west and Australia to the east

Question 4

Arctic ocean

Answer 4

The Arctic Ocean is the smallest and shallowest of the world’s five major oceans. It spans an area of approximately 14,060,000 km² and is known as the coldest of all the oceans. The International Hydrographic Organization recognizes it as an ocean, although some oceanographers call it the Arctic Mediterranean Sea

Question 5

Southern Ocean

Answer 5

The Southern Ocean, also known as the Antarctic Ocean, comprises the southernmost waters of the world ocean, generally taken to be south of 60° S latitude and encircling Antarctica.

Question 6

Salinity

Answer 6

Salinity is the saltiness or amount of salt dissolved in a body of water, called saline water. It is usually measured in g/L or g/kg.

Question 7

surface zone

Question 8

Thermocline

Answer 8

a steep temperature gradient in a body of water such as a lake, marked by a layer above and below which the water is at different temperatures.

Question 9

deep zone

Answer 9

The deep ocean is generally defined as the depth at which light begins to dwindle, typically around 200 meters (656 feet). Remotely operated vehicle Deep Discoverer explores the Mariana Trench at the depth of 6,000 meters (3.7 miles).

Question 10

water cycle

Answer 10

The water cycle, also known as the hydrologic cycle or the hydrological cycle, is a biogeochemical cycle that describes the continuous movement of water on, above and below the surface of the Earth

Question 11

Evaporation

Answer 11

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Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase. High concentration of the evaporating substance in the surrounding gas significantly slows down evaporation, such as when humidity affects rate of evaporation of water.

Question 12

Condensation

Answer 12

Condensation is the change of the state of matter from the gas phase into the liquid phase, and is the reverse of vaporization. The word most often refers to the water cycle

Question 13

Precipitation

Answer 13

In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds. The main forms of precipitation include drizzle, rain, sleet, snow, ice pellets, graupel and hail.

Question 14

continental shelf

Answer 14

A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water, known as a shelf sea. Much of these shelves were exposed by drops in sea level during glacial periods. The shelf surrounding an island is known as an insular shelf.

Question 15

continental slope

Answer 15

A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water, known as a shelf sea. Much of these shelves were exposed by drops in sea level during glacial periods. The shelf surrounding an island is known as an insular shelf

Question 16

continental rise

Answer 16

The continental rise is a low-relief zone of accumulated sediments that lies between the continental slope and the abyssal plain. It is a major part of the continental margin, covering around 10% of the ocean floor.