Chapter 2

Front 1

Hydrosphere

Back 1

All the river lakes oceans and other bodies of water

Front 2

lithosphere

Back 2

The earths crust

Front 3

atmosphere

Back 3

a layer of gases that is extended above the planets surface

Front 4

boisphere

Back 4

the part of earth that supports life

Front 5

Isthmus of Panama

Back 5

links north and south america

Front 6

sinai peninsula

Back 6

the human made suez canal seperate africa and Asia

Front 7

Continental shelf

Back 7

is an under water extention of the costal plain

Front 8

Mount everest

Back 8

is 29028 feet above sea level

Front 9

dead sea

Back 9

the lowest dry land point at 1349 feet below sea level is the shore ofthe dead sea

Front 10

Mariana trench

Back 10

a narrow underwater canyo about 35,827 feet deep

Front 11

Core

Back 11

at the very center of the planet is a super-hot solid inner core

Front 12

Mantle

Back 12

Next to the outer core is a thick layer of hot dence rock called the mantle

Front 13

crust

Back 13

the outer most layer, a rocky shell forming the earth surface

Front 14

continental drift

Back 14

the theory that the continents were once joined and then slowly drifted apart

Front 15

plate tectonics

Back 15

refers to all of the physical processes that creat many of earth physical features

Front 16

magma

Back 16

when plates spread apart magma or molten rock is pushed up from the mantle and riges form

Front 17

Himalaya

Back 17

mountain ranges in South america were thrust upward when the indian land mass drifted against Eurasia

Front 18

subduction

Back 18

the heavier sea plate drives beneath the lighter continental plate

Front 19

accretion

Back 19

pieces of the earths crust come together slowly as the sea plate slides under the continental plate

Front 20

spreading

Back 20

sea plates pull apart

Front 21

Folds

Back 21

or bends in layers of rock

Front 22

faults

Back 22

when plates grind or slide past each other creating cracks in the earth

Front 23

San Andreas Fault

Back 23

A famous fault in california

Front 24

Kobe

Back 24

in recent years disatorous earthquakes have accured here

Front 25

San Francisco

Back 25

a city locates along the ring of fire

Front 26

Ring of fire

Back 26

one of the most prone earthquake areas on the planet

Front 27

Weathering

Back 27

breaks down rocks

Front 28

erosion

Back 28

wears away the earth

Front 29

glaciers

Back 29

or large bodys of ice move across the earths surface

Front 30

moraines

Back 30

a large pile of rock and debrea left behind by glaciers

Front 31

Greenland

Back 31

coverd by a sheet glacier

Front 32

Antarctica

Back 32

a place with a huge glacier

Front 33

water cycle

Back 33

is the name given to this regular movement of water

Front 34

Evaporation

Back 34

is the changeing of liquid water into vapor or gas

Front 35

codensation

Back 35

when water vapor changes into liquid water again

Front 36

precipitation

Back 36

is rain sleet snow

Front 37

Pacific

Back 37

a ocean

Front 38

Atlantic

Back 38

An ocean

Front 39

Indian

Back 39

an ocean

Front 40

artic

Back 40

an ocean

Front 41

Mediterranean Sea

Back 41

is almost entirely encircled by southern Europe northern africa and southwestern asia

Front 42

Gulf of mexico

Back 42

is nearly encircled by the coasts of the United States and Mexico

Front 43

desalination

Back 43

turning sea water into regular water is desalination

Front 44

Ground water

Back 44

freash water that lies benath earths surface comes from rain and melted snow that filters trough the soil

Front 45

Aquifer

Back 45

and grund proous rock layer often saturated by very slow flows of water