earths layers

Question 1

what are the mechanical layers?

Answer 1

lithosphere, asthenosphere. mesosphere,outer core, inner core

Question 2

what are the compositional layers?

Answer 2

crust , mantle core

Question 3

what are the two crust

Answer 3

Continental, oceanic

Question 4

which crust is thicker and less dense

Answer 4

continental

Question 5

which crust is thinner and more dense?

Answer 5

oceanic

Question 6

which layer is sludgy like ooblek or toothpaste?

Answer 6

Asthenosphere

Question 7

which core is ligiud

Answer 7

outer

Question 8

which core is solid

Answer 8

inner

Question 9

which waves are seismic

Answer 9

p and s waves

Question 10

which wave goes though all mediums

Answer 10

p

Question 11

which wave is longitudinal

Answer 11

p

Question 12

large shadow zone

Answer 12

s

Question 13

less damage

Answer 13

p

Question 14

how does studying how waves move help scientists

Answer 14

They learn more about the interior of Earth

Question 15

who discovered continental drift

Answer 15

wegner

Question 16

what is a pangea

Answer 16

when all the continents were connected

Question 17

how do we know alll of the continents were connected

Answer 17

fossils of plats and animals on different continents

Question 18

what are convection cells

Answer 18

rising and sinking of hot magma

Question 19

what are the plate boundaries

Answer 19

convergent, transform,divergent

Question 20

where do mid ocean ridges form

Answer 20

divergent

Question 21

where is seafloor spreading

Answer 21

divergent

Question 22

most common reason for earthquake because of plates getting stuck

Answer 22

transform

Question 23

where do 2 plates collide

Answer 23

convergent

Question 24

which boundaries creates volcanoes and mountain and trenches

Answer 24

convergent

Question 25

when does subduction happen

Answer 25

when earth recycles itself

Question 26

3 facts about Marian trench

Answer 26

crescent shape 7 miles at deepest point, challenger deep

Question 27

most powerful force on earth

Answer 27

tectonic plates moving

Question 28

who discovered seafloor spreading

Answer 28

Henry Hess

Question 29

which mt range is rounded and 2000 miles long

Answer 29

appalachian

Question 30

which mountain range is jagged and tallest peak over 14000 ft

Answer 30

rocky

Question 31

which mt is in Asia where the Indian and Eurasian plates crashed

Answer 31

Himalayas

Question 32

plates releasing stress and energy in the rocks is what?

Answer 32

an earthquake

Question 33

80% are found in the ring of fire

Answer 33

earthquakes

Question 34

75% found in the ring of fire

Answer 34

volcanoes

Question 35

what is the inner core made of

Answer 35

iron and nickle

Question 36

loudest sound in history

Answer 36

the krakatoa

Question 37

transform

Answer 37

rubbing against each other

Question 38

convergent ocean to ocean

Answer 38

subduction

Question 39

convergent continent to continent

Answer 39

hit each other

Question 40

divergent

Answer 40

move away from each other

Question 41

about ___ of all earthquakes strike around the _________

Answer 41

90% and pacific ocean basin

Question 42

in japan quakes are caused by ____ to ____ convergence

Answer 42

ocean, ocean

Question 43

what did new Madrid fault form ?

Answer 43

reelfoot lake

Question 44

how fast is the pyroclatic flow

Answer 44

100-400km/hr

Question 45

______ will decrease melting point in the mantle

Answer 45

water

Question 46

which MT has wildfires

Answer 46

rocky

Question 47

shock wave from final explosion traveled the world __ time in __ days

Answer 47

7 , 5

Question 48

which crust will subduct under continental crust and younger ocean crust

Answer 48

ocieanic

Question 49

most common reason for earthquakes

Answer 49

transform

Question 50

most common reason for earthquakes

Answer 50

transform

Question 51

s waves shadow zone

Answer 51

104

Question 52

p waves shadow zone

Answer 52

40

Question 53

which waves bends when moving around layers

Answer 53

p

Question 54

what are 3 ways mantle rocks melt

Answer 54

temp rises, pressure lowers, add water

Question 55

common places for volcanoes

Answer 55

Alaska, Hawaii, Iceland, central america