The Planet Earth Flashcards

1
Q

Most widely accepted theory of the Universe’s creation

A

The Big Bang Theory

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2
Q

Terrestrial Planets

A

Mercury, Venus, Earth, and Mars

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3
Q

Jovian planets/Gas giants

A

Jupiter and Saturn

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4
Q

Ice giants

A

Uranus and Neptune

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5
Q

A _________ is made up from clouds of gas and dust, and formed our solar system with our sun in the center.

A

Nebula

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6
Q

A ____________ disk accreted to form planetary masses. Eg. The Earth

A

Protoplanetary

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7
Q

2 classification of the Earth’s innermost part

A

Inner and Outer Core

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8
Q

The cool and hard surface of the mantle

A

Crust

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9
Q

Compressed Waves

A

P-Waves

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10
Q

Waves that shakes slowly

A

S-Waves

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11
Q

TRUE or FALSE: Silicon, Aluminum, Magnesium, and Iron form above the Earth’s core because they are lighter minerals.

A

True

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12
Q

The largest layer, includes the lithosphere and the asthenosphere, and is made up of flexible viscous liquid.

A

Mantle

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13
Q

______ currents are the ones causing the crust to split in plate tectonics

A

Convection

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14
Q

Geological phenomena in which a plume of molten rock rises from the mantle to the crust.

A

Mantle Plumes

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15
Q

Consist of the crust and upper mantle, also referred to as “hard brittle rock”.

A

Lithosphere

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16
Q

Layer of molten rock underneath the lithosphere, and is part of the mantle that moves.

A

Asthenosphere

17
Q

Innermost part, and is made up of mostly iron and other metals

A

Core

18
Q

Solid part of the core

A

Inner core

19
Q

Liquid part of the core

A

Outer core

20
Q

Earth-centered model of the universe

A

Geocentric

21
Q

Sun-centered model of the universe

A

Heliocentric

22
Q

Layer of gasses that surrounds and protects life on Earth

A

The Atmosphere

23
Q

Made up of the living things, and is also called the “Life Zone”

A

Biosphere

24
Q

Mass of water on, under, and above Earth’s surface, helps moderate the Earth’s climate

A

Hydrosphere

25
Q

Outermost solid rocky part of the Earth

A

Lithosphere

26
Q

Water rises up to the atmosphere, condenses, then forms clouds

A

Water Cycle

27
Q

Circulation of nitrogen in various forms of nature

A

Nitrogen Cycle

28
Q

Land Biomass and Fossil Fuels emits carbon which travels the atmosphere

A

Carbon Cycle

29
Q

A phenomena wherein gasses and ash is sent to the air, as well as lava and ash to the ground

A

Volcanic Eruption

30
Q

State of gravitational equilibrium between the Earth’s lithosphere and asthenosphere wherein plates float at an elevation depending on the thickness and density.

A

Isostasy

31
Q

Different topographic heights are accommodated by lateral changes in rock density.

A

Pratt Model

32
Q

Different topographic heights are
accommodated by changes in
crustal thickness in which the
crust has a constant density.

A

Airy Model

33
Q

The lithosphere acts as an elastic plate
and its inherent rigidity distributes
local topographic loads over a broad
region by bending

A

Flexural

34
Q

Who are the people(4) that first proposed the Nebular Hypothesis?

A

Emanuel SWEDENBORG, Immanuel KANT, PIERRE-SIMON, and Marquis de LAPLACE

35
Q

How long ago was the universe started to form?

A

13.7 Billion Years Ago

36
Q

When did the Earth start to form

A

4.6 Billion Years Ago

37
Q

When did the milky way start to form.

A

4.8 Million Years Ago