1st Quarter Sci (Location of Plate Tectonics)

Question 1

What are the 2 Mechanical Layers

Answer 1

Lithosphere and Asthenosphere

Question 2

What comprise the crust and uppermost part of the mantle

Answer 2

Lithosphere

Question 3

Its rigid layers, can break under stress

Answer 3

Lithosphere

Question 4

Broken into small and large sections called tectonic plates

Answer 4

Lithosphere

Question 5

How thick is asthenopshere

Answer 5

180 km thick

Question 5

What contains in asthenosphere

Answer 5

hot, molten rocks or magma

Question 6

Mechanisms of heat transfer

Answer 6

Convection current

Question 6

Can deform and reshape as a result of the hot, molten mantle which circulates as convection current.

Answer 6

Asthenosphere

Question 7

What are the 4 major layers of the earth

Answer 7

Crust Mantel Outer core Inner core

Question 8

Outermost layers of earth

Answer 8

Crust

Question 9

how thick is the continental crust

Answer 9

40-70 km thick

Question 10

Composition of continental crust

Answer 10

Granitic rocks and aluminum silicates

Question 11

how thick is the Oceanic crust

Answer 11

7-10 km thick

Question 12

Composition of Oceanic crust

Answer 12

Basaltic rocks and magnesium silicates

Question 13

Thickest layer

Answer 13

Mantel

Question 14

What is the thickness of Mantel

Answer 14

2900 km thick; 80% of Earth’s mass

Question 15

Composition of Mantel

Answer 15

Ferro-magnesium

Question 16

Matter of Mantel

Answer 16

Semi solid, rocky, and very hot

Question 17

Temperature of Mantel

Answer 17

Upper- 900c and lower- 1000-3700c

Question 18

Thickness of Outer core

Answer 18

2270 km thick

Question 18

Only liquid layer of the earth

Answer 18

Outer core

Question 19

Composition of Outer core

Answer 19

Liquid, iron, nickel

Question 20

Temperature of Outer core

Answer 20

3700-4300c

Question 21

Pure solid

Answer 21

Inner core

Question 22

thickness of inner core

Answer 22

1220 km thick

Question 23

Composition of Inner core

Answer 23

Solid iron

Question 24

Temperature of Inner core

Answer 24

6000c

Question 25

Boundaries between crust and upper mantle

Answer 25

Mohorovicic Discontinuity

Question 26

Boundaries between lower mantle and outer core

Answer 26

Gutenberg Discontinuity

Question 27

Boundaries between outer core and inner core

Answer 27

Lehmann Discontinuity

Question 28

Describe the movement of the lithosphere

Answer 28

Plate Tectonic

Question 29

Whats the greek word of plate tectonic

Answer 29

Tekton

Question 30

7 Primary Plates

Answer 30

Eurasian African Australian Antarctic South American North American Pacific

Question 31

8 Secondary Plates

Answer 31

Indian Arabian Scotia Nazca Caribbean Cocos Juan de Fuca Philippine

Question 32

Earth is linked to a grape that contracted into raisin due to a cooling process, occurring after the bigbang.

Answer 32

Raisin Theory/Contraction Theory

Question 33

Explains the structure of the earth’s crust

Answer 33

Plate Tectonics Theory