oceans

Question 1

pacific ocean

Answer 1

the pacific ocean is the largest and deepest ocean on earth

Question 2

atlantic ocean

Answer 2

41 million square miles

Question 3

indian ocean

Answer 3

27,243,000 square miles

Question 4

arctic ocean

Answer 4

5.4 million sq miles

Question 5

southern ocean

Answer 5

8,479,000 square miles

Question 6

salinity

Answer 6

the concentrations of salts in water or soils

Question 7

surface zone

Answer 7

sunlight 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 largest part of the articular cartilage.

Question 10

water cycle

Answer 10

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 11

evaporation

Answer 11

liquid into vapor

Question 12

condensation

Answer 12

build up of water vapor

Question 13

precipitation

Answer 13

rain

Question 14

continental shelf

Answer 14

under the ocean

Question 15

continental slope

Answer 15

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

Question 16

continental rise

Answer 16

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

Question 17

abyssal plain

Answer 17

largest habitat on earth

Question 18

mid-ocean ridge

Answer 18

a continuous range of underwater volcanoes

Question 19

rift valley

Answer 19

a lowland region that forms where Earth’s tectonic plates move apart, or rift.

Question 20

seamount

Answer 20

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

Question 21

ocean trench

Answer 21

The Mariana Trench, in the South Pacific Ocean, is formed as the mighty Pacific plate subducts beneath the smaller, less-dense Philippine plate.

Question 22

plankton

Answer 22

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

Question 23

Nekton

Answer 23

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

Question 24

Benthos

Answer 24

organisms living on the bottom or associated with substrata.

Question 25

Desalination

Answer 25

the process by which the dissolved mineral salts in water are removed.