ocean

Question 1

Pacific ocean

Answer 1

the biggest ocean

Question 2

Arctic ocean

Answer 2

Second biggest ocean

Question 3

Indian ocean

Answer 3

Third largest ocean

Question 4

arctic ocean

Answer 4

Smallest ocean

Question 5

southern ocean

Answer 5

covers 6% of the earth surface

Question 6

salinity

Answer 6

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

Question 7

surface zone

Answer 7

the uppermost level of land or sea

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

extended or situation relatively far down from the surface

Question 10

water cycle

Answer 10

the cycle of processes by which water circulates between the earth’s oceans, atmosphere, and land

Question 11

evaporation

Answer 11

the process by which water changes from a liquid to a gas or vapor.

Question 12

condensation

Answer 12

water which collects as droplets on a cold surface when humid air is in contact with it.

Question 13

precipitation

Answer 13

the action or process of precipitating a substance from a solution.

Question 14

continental shelf

Answer 14

the area of seabed around a large landmass where the sea is relatively shallow compared with the open 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 to a continental slope.

Question 17

abyssal plain

Answer 17

a flat region of the ocean floor, usually at the base of a continental rise, where slope is less than 1:1000

Question 18

mid- ocean ridge

Answer 18

a long, seismically active submarine ridge system situated in the middle of an ocean basin

Question 19

rift valley

Answer 19

a large elongated depression with steep walls formed by the downward displacement of a block of the earth’s surface between nearly parallel faults or fault systems.

Question 20

seamount

Answer 20

a submarine mountain

Question 21

ocean trench

Answer 21

a long narrow ditch

Question 22

plankton

Answer 22

the small and microscopic organisms drifting or floating in the sea or fresh water

Question 23

nekton

Answer 23

aquatic animals that are able to swim and move independently of water currents.

Question 24

benthos

Answer 24

the flora and fauna found on the bottom, or in the bottom sediments, of a sea, lake, or other body of water

Question 25

desalination

Answer 25

the process of removing salt from seawater.