ocean

Question 1

Salinity

Answer 1

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

Question 2

surface zone

Answer 2

restricts the display of surface models and their caps to zones around selected atoms or markers

Question 3

Thermocline

Answer 3

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 4

deep zone

Answer 4

extending or situated relatively far down from a surface.

Question 5

water cycle

Answer 5

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

Question 6

Evaporation

Answer 6

the sun heats liquid water, causing it to rise into the atmosphere as water vapor

Question 7

Condensation

Answer 7

as water vapor rises into the atmosphere, it cools and interacts with dust and particles

Question 8

Precipitation

Answer 8

when water droplets become heavy enough, they fall back to earths surface

Question 9

continental shelf

Answer 9

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

Question 10

continental slope

Answer 10

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

Question 11

continental rise

Answer 11

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

Question 12

abyssal plain

Answer 12

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

Question 13

mid ocean ridge

Answer 13

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

Question 14

rift valley

Answer 14

a long, narrow valley that forms as tectonic plates seperate

Question 15

sea mount

Answer 15

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

Question 16

ocean trench

Answer 16

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

Question 17

plankton

Answer 17

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

Question 18

nekton

Answer 18

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

Question 19

benthos

Answer 19

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

Question 20

desalination

Answer 20

a process that takes away mineral components from saline water.

Question 21

pacific ocean

Answer 21

It covers more than 30% of the earth’s surface

Question 22

atlantic ocean

Answer 22

The Atlantic Ocean covers 20% of the world’s total surface.

Question 23

Indian ocean

Answer 23

Has Lowest Oxygen Content.

Question 24

Arctic ocean

Answer 24

The temperature of the surface water of the Arctic Ocean is fairly constant at approximately −1.8 °C

Question 25

Southern ocean

Answer 25

The Southern Ocean covers roughly 6% of the earth’s surface