Oceans

Question 1

Pacific ocean

Answer 1

Large ocean

Question 2

Atlantic ocean

Answer 2

ocean

Question 3

Salinity

Answer 3

the concentrations of salts in water or soils.

Question 4

surface zone

Answer 4

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

Question 5

Thermocline

Answer 5

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 6

deep zone

Answer 6

the depth at which light begins to dwindle, typically around 200 meters

Question 7

water cycle

Answer 7

the cycle of processes by which water circulates between the earth’s oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration.

Question 8

Evaporation

Answer 8

the process of turning from liquid into vapor.

Question 9

Condensation

Answer 9

Condensation is the change of the state of matter from the gas phase into the liquid phase, and is the reverse of vaporization.

Question 10

Precipitation

Answer 10

In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds.

Question 11

continental shelf

Answer 11

A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water, known as a shelf sea.

Question 12

continental slope

Answer 12

the slope between the outer edge of the continental shelf and the deep ocean floor.

Question 13

continental rise

Answer 13

a wide, gentle incline from a deep ocean plain (abyssal plain) to a continental slope.

Question 14

abyssal plain

Answer 14

the largest habitat on earth.

Question 15

mid-ocean ridge

Answer 15

a continuous range of underwater volcanoes

Question 16

rift valley

Answer 16

A rift valley is a linear shaped lowland between several highlands or mountain ranges created by the action of a geologic rift.

Question 17

Seamount

Answer 17

underwater mountains that rise hundreds or thousands of feet from the seafloor

Question 18

ocean trench

Answer 18

Ocean trenches are long, narrow depressions on the seafloor.

Question 19

Plankton

Answer 19

usually microscopic, often less than one inch in length, but they also include larger species like some crustaceans and jellyfish.

Question 20

Nekton

Answer 20

living organisms that are able to swim and move independently of currents.

Question 21

Benthos

Answer 21

organisms living on the bottom or associated with substrata.