Lesson 1.1 - 1.4 Flashcards

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1
Q

Earth is compared to a grape that contracted into a raisin due to the cooling process.

A

Raisin Theory

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2
Q

When did the Big Bang happened?

A

about 13.77 billion years ago

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3
Q

Caused contraction and pressure that allowed some parts of the crust to rise, while others buckled downward.

A

The cooling process

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4
Q

Who proposed the term “Isostasy” in 1889?

A

Clarence Edward Dutton

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5
Q

Equilibrium exists on the Earth’s surface, equal mass

A

Isostasy

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6
Q

equal mass, equal volume

A

Isostasy

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7
Q

the term tectonic is derived from the Greek word? Which means?

A

Tekton

Carpenter or builder

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8
Q

Tectonic plates are also known as?

A

Lithospheric plates

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9
Q

Are massive slabs of solid rock that surrounds the earth’s surface

A

Tectonic plates or lithospheric plates

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10
Q

Earth’s crust consists of several large interlocking plates that move in different directions and velocities.

A

Tectonic plate theory

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11
Q

large continental mass must be composed of lighter materials

A

Isostasy

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12
Q

plates that move around by floating on top of the mantle

A

tectonic plates

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13
Q

According to tectonic plate theory…?

A

the earth’s outermost layer is divided into a dozen or more large and small slabs known as lithospheric plates.

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14
Q

Rocky outer part of the earth made up of a brittle crust and the top part of the upper mantle

A

lithosphere

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15
Q

The denser and weaker layer beneath the lithosphere mantle.

A

Asthenosphere

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16
Q

Much hotter and fluid than the lithosphere

A

asthenosphere

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17
Q

Magma chamber, extreme hot and pressure

A

asthenosphere

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18
Q

Causes the movement in the asthenosphere

A

convection current

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19
Q

One of the foundational works that gave rise to the plate tectonics theory

A

Theatrum Orbis Terrarum

20
Q

Who published the first world atlas and when?

A

Abraham Ortelius on January 1, 1596

21
Q

Who proposed the continental drift theory?

A

Alfred Wegener

22
Q

What was Alfred Wegener’s book? (include year when was published)

A

The origins of continents and ocean in 1915

23
Q

All earth

A

Pangaea

24
Q

Pangaea had really existed during the?

A

Permian period

25
Q

1,100 mya a supercontinent called ___ existed before Pangaea

A

Rodinia

26
Q

During the late Triassic period, Pangaea began to split into 2 smaller continents (give the names)

A

Laurasia and Gondwanaland

27
Q

Laurasia moved to the ____ pole, while Gondwanaland moved to the ___ pole.

A

Northern, Southern

28
Q

What sea separated the 2 supercontinents 251 to 65.5 mya?

A

Tethys sea

29
Q

Pangaea began to break apart around?

A

200 mya

30
Q

Continental drifting continued throughout the?

A

Jurassic period

31
Q

Surrounding Pangaea was a great sea called?

A

Panthalassa

32
Q

Earth is generally composed of how many crustal plates?

A

58

33
Q

How many major plates are there?

A

15

34
Q

Name the seven major continents

A

Asia
Africa
North America
South America
Antarctica
Europe
Australia

35
Q

2 types of lithospheric plates

A

Continental lithosphere and Oceanic lithosphere

36
Q

Associated with the continental crust is the solid ground on which you stand.

A

Continental lithosphere

37
Q

Made up of lower density materials like granitic rock

A

Continental lithosphere/crust

38
Q

What creates Continental crust

A

Volcanic eruptions

39
Q

Lighter, older, thicker, and has several deposits

A

Continental lithosphere/crust

40
Q

How old are continental rocks?

A

4 billion yrs old

41
Q

How old are oceanic rocks?

A

150-200 million yrs old

42
Q

what is the oldest foundation?

A

basement rocks (4 billion yrs old)

43
Q

Made up of heavier basalt and gabbro rocks

A

Oceanic crust

44
Q

formed by magma from volcanic eruptions that occurred underwater

A

Oceanic crust

45
Q

younger, thinner, denser, limited lifespan

A

Oceanic crust

46
Q

____ crust does not subduct, whereas the ____ crust does.

A

Continental, Oceanic

47
Q

this theory states that these plates have the ability to move horizontally by gliding over the asthenosphere

A

Tectonic plate theory