Layers According To Composition

Question 1

Thinnest layer of the earth

Answer 1

Crust

Question 2

Makes up the continents

Answer 2

Continental crust

Question 3

Makes up the ocean crust

Answer 3

Oceanic crust

Question 4

Is rich in Fe, Si, Mg

Answer 4

Mantle

Question 5

Is denser then continental crust b3cause of igneous rock

Answer 5

Oceanic crust

Question 6

Why is the oceanic crust denser, because of

Answer 6

Igneous rock

Question 7

It is the older and thicker crust

Answer 7

Continental crust

Question 8

Why is seafloor spreading happening, because of…

Answer 8

Mantle convection

Question 9

Why does subduction happen, because of…

Answer 9

Seafloor spreading

Question 10

It is the thickest layer

Answer 10

Mantle

Question 11

Located at the center

Answer 11

Core

Question 12

Only liquid layer of the earth

Answer 12

Outer core

Question 13

Process where the oceanic plate is pushed uderthene continental plate

Answer 13

Subduction

Question 14

Its composition is not the same all through out

Answer 14

Mantle

Question 15

Composed of major and minor blocks of rock

Answer 15

Crust

Question 16

Is a metalic ball at the center

Answer 16

Core

Question 17

Tempreature,…… as you go deeper into the mantle

Answer 17

Increases

Question 18

What is the mantle made ot of

Answer 18

Ferro-magnesium silicate rocks

Question 19

The upper most part of the mantle

Answer 19

Lithosphere

Question 20

Contains thick magma

Answer 20

Athenosphere

Question 21

Can deform and reshape

Answer 21

Athenosphere

Question 22

It is the rigid and brittle rock layer which breaks under stress

Answer 22

Lithosphere

Question 23

Boundery between crust and the mantle

Answer 23

Mohorovicici Discontinuity

Question 24

Who is gutenburg disconituity named after

Answer 24

Beno Guten burg

Question 25

Boundary between mantle and core

Answer 25

Gutenberg disconituity

Question 26

Who is lehman disconituity named after

Answer 26

Inge lehman

Question 27

Boundery between inner and outer core

Answer 27

Lehman disconituity

Question 28

Who is Mohorovicic disconituity named after

Answer 28

Andrija Mohorovicic

Question 29

What wave can travel to both liquid and solid

Answer 29

P-waves

Question 30

What wave can travel to solids only

Answer 30

S-waves

Question 31

The earth is in continuous movement

Answer 31

Continental drift theory

Question 32

When was the Continental Drift theory proposed

Answer 32

1912

Question 33

Who proposed the Continental Drift theory

Answer 33

Alfred Wegener

Question 34

The Continental Drift theory states that there was once a super continent called.

Answer 34

Pangaea

Question 35

The two parts of pangea

Answer 35

Gondwana & Laurasia

Question 36

alfred wegner died…..

Answer 36

Finding evidence

Question 37

Coastlines of South America and Africa fit like a puzzle

Answer 37

The apparent fit of the continents

Question 38

Animal and plant fossils are similar on the two seperated continents, like the freash water reptile

Answer 38

Fossil correlation

Question 39

What was the freasg water reptile found on the two separeted continents

Answer 39

Mesosaurus

Question 40

Similar rock types and steuctures from continents

Answer 40

Rock and mountain correlation

Question 41

Coal has been found in cold reigons where supposedly once were tropical

Answer 41

Paleoclimate data

Question 42

What were found on the rocks of tropical reigons in evidence paleoclimate data

Answer 42

Glacial striations

Question 43

Pangea means

Answer 43

All earth