Ocean

Question 1

Pacific ocean

Answer 1

The largest ocean

Question 2

Atlantic ocean

Answer 2

2nd largest ocean. Half the volume of the Pacific Ocean.

Question 3

Indian ocean

Answer 3

3rd largest ocean

Question 4

Arctic ocean

Answer 4

5th largest ocean. Most of the surface is covered by ice.

Question 5

Southern ocean

Answer 5

4th larfest ocean. only ocean that completely encircles the planet uninterrupted by any significant land mass

Question 6

Salinity

Answer 6

a measure of the amount of dissolved salts in a given amount of liquid

Question 7

surface zone

Answer 7

a zone in the ocean that extends from the surface to 660 feet deep

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 oceanic zone that lies beyond the continental shelf, where the water depths drop to below 656 feet

Question 10

water cycle

Answer 10

the continuous movement of water from the ocean to the atmosphere to the land and back to the ocean

Question 11

Evaporation

Answer 11

When water from oceans and Earth’s surface change into water vapor

Question 12

Condensation

Answer 12

When water vapor cools and changes into water droplets that forms clouds

Question 13

Precipitation

Answer 13

Any form of water that falls from the clouds

Question 14

continental shelf

Answer 14

the gently sloping section of a continental margin located between the shoreline and the continental slope

Question 15

continental slope

Answer 15

the steeply inclined section of the continental margin located between the continental rise and the continental shelf

Question 16

continental rise

Answer 16

the gently sloping section of a continental margin located between the continental slope and the abyssal plain

Question 17

abyssal plain

Answer 17

a large, flat, almost level area of the deep-ocean basin

Question 18

mid-ocean ridge

Answer 18

a long, undersea mountain chain that forms along the floor of the major oceans

Question 19

rift valley

Answer 19

a long, narrow valley that forms as tectonic plates separate

Question 20

Seamount

Answer 20

a submerged mountain on the ocean floor that is at least 1,000 m high and that has volcanic origin

Question 21

ocean trench

Answer 21

a steep, long depression in the deep-sea floor that runs parallel to a chain of volcanic islands or a continental margin

Question 22

Plankton

Answer 22

the mass of mostly microscopic organisms that float or drift freely in freshwater and marine environments

Question 23

Nekton

Answer 23

all organisms that swim actively in open water, independent of currents

Question 24

Benthos

Answer 24

the organisms that live at the bottom of the sea or ocean

Question 25

desalination

Answer 25

a process of removing salt from ocean water