Layers of the Earth

Question 1

the three layers of the Earth

Question 2

described based on what it is made up of

Question 3

described based on characteristics that are unique to each layer

Question 4

outermost and thinnest layer

Question 5

where organisms live and exist

Question 6

accounts for 1% of the earth’s mass

Question 7

mainly made of loose soil and rocks

Question 8

uppermost layer of the crust

Question 9

sial is an amalgam of

Question 10

lower layer of the crust

Question 11

sima is an amalgam of

Question 12

two types of crust

Question 13

the uppermost layer of the crust makes up majority of the

Question 14

predominantly made up of the lower layer of the crust

Question 15

the continental crust is characterized by dry land and with abundant

Question 16

granite is a type of

Question 17

less dense of the two types of crust

Answer 17

continental crust

Question 18

more dense of the two types of crust

Answer 18

oceanic crust

Question 19

the oceanic crust is mostly made up of

Question 20

basalt is a type of

Question 21

the thickest layer

Question 22

makes up 84% of the earth’s total volume

Question 23

made up of heavy rock & molten rock

Question 24

molten rock otherwise called as

Question 25

magma is forced to the surface during

Question 26

magma is also forced to the surface at

Question 27

the boundary between the upper mantle and the crust

Question 28

describes the physical, chemical, and mechanical differences that allow the crust to “float” on the sometimes more malleable mantle

Question 29

the boundary between the lower mantle and the core

Question 30

the crust and the uppermost part of the mantle comprise the

Question 31

the lithosphere is rigid and divided into blocks or huge slabs called

Question 32

the lithosphere is divided into ____ major plates

Question 33

below the lithosphere is the

Question 34

composed of flowing rock (semi-molten rocks)

Question 35

the aesthenosphere is driven by heat energy that it can reshape and circulate to create

Question 36

this part of the core is thick and made up of metal alloy which is very hot

Question 37

the liquified outer core is mainly made up of the metallic elements:

Question 38

this liquid metal is has very low viscosity, meaning it is easily deformed and

Question 39

the churning metal of the outer core creates and sustains the Earth’s

Question 40

which discontinuity is the hottest part of the core

Question 41

the part of the core which is a hot, dense ball of mostly solid iron

Question 42

the pressure in the inner core is nearly 3.6 million atm, this causes it to