Oceans and continents

Question 1

Many of the features that appear on dry land also appear on ______ ______

Answer 1

Ocean Floor

Question 2

_____ Describes the shape of geographic area

Answer 2

Topography

Question 3

Many factors such as _____ or _____of earths surface can create and affect landforms

Answer 3

Erosion & Uplift

Question 4

a _______ is usually identified by surface form and location

Answer 4

Landform

Question 5

Areas with ____ relief have a relatively large difference between the _____ elevation and the ____ elevation

Answer 5

High
Lowest
Highest

Question 6

Earths _____are all _____

Answer 6

Oceans

Connected

Question 7

Oceans cover more than ____ % of earths surface

Answer 7

70 %

Question 8

Scientists separate the oceans into 5 main bodies;_____ _____ _____ _____ ______

Answer 8

Pacific 
Atlantic 
Indian
Southern 
Arctic Ocean

Question 9

______ ocean is the largest and deepest

Answer 9

Pacific

Question 10

The earth was formed ___ billion years ago; Evidence indicates that earth oceans began to form as early as ___ billion years ago

Answer 10

4.6&4.2

Question 11

__________ eruptions added large amounts of water vapor to the atmosphere

Answer 11

Volcanic

Question 12

As earth cooled _____ _____ condensed and collect in basin on earths surface

Answer 12

water vapor

Question 13

the melted ice from comet and asteroids that collided with earth during the oceans added to water filling earths ____ _____

Answer 13

oceans basin

Question 14

as a ______ plate move new oceans are created and old oceans disappear

Answer 14

tectonic

Question 15

the volume of water in the ocean has remained fairly constant; due to the _____ ____

Answer 15

water cycle

Question 16

rain that fell to earths surface billions of years ago washed over rocks and _____ _____ containing _______ chlorine and other substances that form _____

Answer 16

dissolve
minerals
so dioxide
salts

Question 17

rivers and streams carried these substances to ocean basin and made the _____ ______

Answer 17

water

salty

Question 18

is the measure of mass of dissolved solids in a mass of water

Answer 18

salinity

Question 19

is the water from a sea or ocean

Answer 19

seawater

Question 20

salinity of seawater changes in areas where rivers enter ocean such as in an _______

Answer 20

estuary

Question 21

black water is freshwater mixed with with seawater

Answer 21

Brackish water

Question 22

seafloor has features similar to features on land such as ____ _____ _____ and _______

Answer 22

plains
plateaus
canyons
mountains

Question 23

the part of an ocean next to a continent is ________ _______

Answer 23

continental margin

Question 24

A continental margin extends from ______ ______ to deep ocean

Answer 24

continent shoreline

Question 25

the shallow part of the continent nearest the shore

Answer 25

continent shelf

Question 26

extends from the continental shelf to the deep ocean

Answer 26

continental slope

Question 27

an ocean floor is shape like a

Answer 27

basin

Question 28

some features of ocean basin ______ _____ _____ ____ ____ _______ ______ _____ ____ ________ _______ ____ & ______ SEE PG 566

Answer 28

``` continental shelves continental slope continental rise abyssal plain mid ocean ridges seamounts trenches ```

Question 29

thick layers of sediment cover _______ _____

Answer 29

abyssal plains

Question 30

in some areas underwater volcanoes forms *_____*_ when they rise from abyssal plains and _*______ above the _________ surface*

Answer 30

islands extend surface

Question 31

______ _____ Rigdge forms a continuous mountain range that extends through all of earths ocean basin

Answer 31

Mid Ocean

Question 32

Earth tallest and longest mountain range measuring more than _____ KM in length _______ miles

Answer 32

65,000 | 40,372

Question 33

as the plates move slowly apart mid-ocean-ridges lava erupts and then cools forming new ______

Answer 33

seafloor

Question 34

_______ are the deepest parts of the ocean the most trench is the _____ trench which has a depth _______ feet

Answer 34

Trenches Mariana 36,117

Question 35

ROV likely to be used more frequently (______) and ______ from a ship

Answer 35

unmanned | controlled

Question 36

underwater vessels which can withstand extreme pressure and great deepth

Answer 36

Submersibles

Question 37

Two main resources seafloor ______ resources and _______

Answer 37

energy | minerals

Question 38

as oil natural gas and methane are beneath the ocean floor on continental margin

Answer 38

Energy Resources

Question 39

most minerals deposits such as _______ are abyssal plains

Answer 39

magnanse

Question 40

Oceans can be divided into distinct regions or s | zones based on physical characteristics like the amount of ____ ____ ____ & ______

Answer 40

sunlight temperatures salinity density

Question 41

light from the ____ penetrates below the _____ surface

Answer 41

sun | surface

Question 42

as depth increases the wavelengths of light aren't absorbed _______ and some ______ penetrate farther than others

Answer 42

equally | colors

Question 43

wavelengths of {______ &_____} light reach deeper into the ocean than those of {______ ______&_______} light

Answer 43

blue and green | red orange and yellow

Question 44

_______&_______ zone shallow seawater that receives the greatest amount of sunlight {_~___ ft} PG 568

Answer 44

surface and sunlight | 0~164

Question 45

Most organism that live in the _____ zone perform ________

Answer 45

surface | photosynthesis

Question 46

By the time the light reaches the ______ zone or _______ zone most of the light wavelength have been absorbed

Answer 46

Middle | Twilight

Question 47

the _____ zone receives only faint {blue-green} light

Answer 47

middle

Question 48

the middle zone ranges from ___ ft to ____ ft

Answer 48

164 | 3283

Question 49

Most deep~ Sea animals produce their own light through a chemical process called

Answer 49

bioluminescence

Question 50

just as oceans have zones of light they also have zones of ______ _____ _____

Answer 50

temperatures salinity density

Question 51

temperature salinity and density vary with _____

Answer 51

depth

Question 52

______ changes in these characteristics can create distinctive layers of ______

Answer 52

abrupt | seawater

Question 53

changes in ___ as depth _____ water in these regions _____ rapidly because there is ___ sunlight to warm as depth _____

Answer 53

``` temperatures increase less cools increase ```

Question 54

changes in _____ when ____ water _____ salt is left behind this increase te salinity at the _____

Answer 54

salinity warm evaporates surface

Question 55

changes in _____ ___ water is ___ than ____ water _____ is denser than ______

Answer 55

``` density cold denser warm salt water fresh water ```

Question 56

ROV is ________

Answer 56

unmanned