ocean vocab

Question 1

pacific ocean

Answer 1

biggest ocean and deepest ocean

Question 2

atlantic ocean

Answer 2

2nd biggest

Question 3

indian ocean

Answer 3

3rd biggest

Question 4

arctic ocean

Answer 4

4th biggest

Question 5

southern ocean

Answer 5

covers 4% of earths surface

Question 6

salinity

Answer 6

measure of all the salts dissolved in water

Question 7

surface zone

Answer 7

uppermost part of the oceanic zone lying above the mesopelagic zone that receives enough sunlight to allow photosynthesis

Question 8

thermocline

Answer 8

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

is a zone of the world’s oceans occupying intermediate position between the abyssalpolegic region and the sea bed

Question 10

water cycle

Answer 10

describes the continuous movement of water on above and below the surface of the Earth

Question 11

evaporation

Answer 11

type of vaporization that occurs on the surface of a liquid as it changes into the gas phase

Question 12

condensation

Answer 12

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

Question 13

precipitation

Answer 13

process of precipitating a substance from a solution

Question 14

continental shelf

Answer 14

area of seabed around a large landmass where the sea is relatively shallow

Question 15

continental slope

Answer 15

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

Question 16

continental rise

Answer 16

underwater feature found between the continental slope and the abyssal plain

Question 17

abyssal plain

Answer 17

underwater plain on the deep ocean floor, usually found at depths between 3,000 meters

Question 18

mid ocean ridge

Answer 18

an underwater mountain range, formed by plate tectonics

Question 19

rift valley

Answer 19

large elongated depression with steep walls formed by the downward displacement of a block of the earth’s surface

Question 20

seamount

Answer 20

submarine mountain

Question 21

ocean trench

Answer 21

are topographic depressions of the sea floor relatively narrow in width but very long

Question 22

plankton

Answer 22

he diverse collection of organisms that live in large bodies of water and are unable to swim against a current

Question 23

nekton

Answer 23

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

Question 24

benthos

Answer 24

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

process that takes away mineral components from saline water