Earth Science - 2nd Session Examination Flashcards

1
Q

is cosmological model that explains how the
universe began. 13.8 billion years ago

A

Big bang theory

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2
Q

an area predicted
to be in the core of a black hole
with very high temperature and
density.

A

singularity

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3
Q

the first proponent of
the theory. He suggested the idea of
the expanding universe

A

Georges Henri Joseph Edouard
Lemaître

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4
Q

discovered that microwaves with
wavelengths of about 7
centimeters were present in space.

A

Arno Penzias and Robert Wilson

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5
Q

Despite the continuous expansion, the average density of the universe
remains the same;

A

Steady State Theory

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6
Q

proposed the steady
state theory in
1948.

A

Hermann Bondi,
Thomas Gold, and
Fred Hoyle

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7
Q

the universe is
expanding and will contract once all the energy after the big
bang has been used up, only to expand again once it
approaches the point of singularity.

A

Oscillating Universe theory,

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8
Q

occurs when the universe
expands and eventually reverses, then
collapses causing the formation of a
singularity.

A

big crunch

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9
Q

Tolman called the birth of another
universe as the

A

bigbounce

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10
Q

violates the law of conseration of mass
and energy.

A

steady state theory

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11
Q

states that the relationship of the velocities of distant objects
in the universe is directly proportional to their distance from Earth.

A

hubbles law

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12
Q

proponent of oscillating universe theory.

A

richard tolman

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13
Q

the solar system originated from
a nebula. 4.5billion years ago

A

nebular theory

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14
Q

giant cloud of gas and dust in space.

A

nebula

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15
Q

4 Terrestrial planets

A

Mercury, venus, earth, mars

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16
Q

4 jovian planets. These planets were formed
farther from the sun.

A

Jupiter, saturn, uranus, neptune

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17
Q

theorized that the development of human thought and
reason have had a great impact on other living things, leading to studies on
sustainability.

A

Vladimir Vernadsky

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18
Q

thorough study on the locations of plant, animal,
and geological specimens and their interactions led to the knowledge of
underlying processes such as the movement of heat in ocean currents, and
the effect of temperature on living things.

A

Alexander von Humboldt

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19
Q

introduction of uniformitarianism made it possible for
scientists to determine the history of Earth by studying rocks.

A

James Hutton

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20
Q

collaborated on the development of the
Gaia hypothesis, proposing that life regulates the temperature and chemical
composition of the soil and atmospher

A

James Lovelock and Lynn Margulis

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21
Q

was formed

by NASA in 1983.

A

An Earth System Science Committee

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22
Q

There are four primary subsystems of Earth:

A

atmosphere, geosphere,
hydrosphere​, and​ biosphere

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23
Q

made up of various gaseous elements.

A

atmosphere

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24
Q

composed of all the soil, rocks, and minerals from
the surface of Earth up to its interior

A

geosphere

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25
Q

includes all form of water bodies on Earth.

A

hydrosphere

26
Q

includes all living things on Earth.

A

biosphere

27
Q

a naturally occurring, inorganic, solid material that has a fixed
structure and a definite chemical composition.

A

mineral

28
Q

a naturally occurring, inorganic, solid material that has a fixed
structure and a definite chemical composition.

A

Solubility and melting point

29
Q

texture of indigenous rocks describe cystals that are greater than 1cm due to very slow cooling of magma

A

pegmatitic

30
Q

biochemical sedimentary rock

A

chalk

31
Q

metamorphic rock from bituminous coal. shiny, black, fined, etc

A

anthracite

32
Q

not only recrystallize but also form different minerals from same element

A

neomorphism

33
Q

difference between felsic and mafic rock

A

felsic are light colored, mafic dark colored

34
Q

some minerals to break along flat surface

A

cleavage

35
Q

rock when magma erupts

A

volcanic

36
Q

distinguishes igneous rocks

A

crystalline appearance

37
Q

true about minerals

A

theyre inorganic

38
Q

breccia vs conglomerate

A

breccia angular gravel sized fragments vs conglomerate rounded fragments

39
Q

apperance of its surface and dependent on how it reflects light

A

luster

40
Q

formation of igneous rocks

A

solidification of magma

41
Q

sediments come from

A

products of weathering and transported by glaciers

42
Q

associated with lithification and Sedimentary rocks are formed

A

compaction and cementation

43
Q

come from the Latin word ignis which means fire. It is formed
from solidification of magma or lava which flows out from depth.

A

igneous rocks

44
Q

shows the progression of silicate minerals
crystallization at specific temperature condition.

A

Bowen’s reaction series

45
Q

can be named based on its texture and composition.

A

Igneous rocks

46
Q

made up of sediments from preexisting rocks

A

Clastic
sedimentary rocks

47
Q

are rocks that have been altered, changed or
transformed in the solid state due to changes in pressure, temperature
conditions and chemical actions of hot fluids.

A

Metamorphic rocks

48
Q

are aggregates of minerals present in high concentration

A

mineral deposits

49
Q

used to extract ore minerals near the surface of the earth

A

Surface
mining

50
Q

used to extract the rocks, minerals, and other precious stones that can be found deep beneath the earth’s surface.

A

underground mining

51
Q

diamond that makes it additive in cutting tools

A

hardness

52
Q

strip mining

A

ideal on flat and horizontal surfaces

53
Q

describe mineral deposit

A

mixture of minerals and formed from geological processes

54
Q

industrial mineral resources

A

salt

55
Q

emeralds and aquamarines be deprived from

A

beryl

56
Q

describes gauge mineral

A

no commercial value

57
Q

energy resources

A

geothermal power

58
Q

describes a mineral

A

naturally occuring

59
Q

a general term used to refer to all deposits of organic materials
capable of being burnt as fuels.

A

fossil fuel

60
Q

results to the production of different ranks of coal from peat to
lignite to bituminous coal to anthracite.

A

coalification

61
Q

involves partial decay of plant debris in swampy, waterlogged
environments.

A

peatification