SCIENCE MIDTERMS (GOODLUCK) Flashcards by Princess Ann Barde

this is the one one who study cosmology

cosmologists

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origin of universe

cosmology

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idea of collosal explosion

george gamow

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cosmo came from the word ______

kosmos which means order

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400,000 years

existence of cmb (cosmic microwave background)

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logy came from the word____

logos which means study of

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8.7 B years

formation of solar system

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idea of expansion

georges lemaitre

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father of bigbang theory

georges lemaitre

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1B years

first galaxy

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proves the expansion

edwin hubble

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13.7 B years

recent life

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expanding but the density is still the the same

steady state theory

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400M years

first star

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vacuum energy, blachole

cosmic inflation

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helio means ___

sun

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what are the 7 steps in scientific method

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composed of hydrogen & helium

sun

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the one who proves the helio centic model

galileo galilei

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requires intelligence, imagination, and creativity

scientific method

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what model is this: the sun is in the center

helio centic model

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idea of helio centric

nicolaus copernicus

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geo means ___

earth

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what model is this: earth is in the center

geo centric model

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idea of geo centric model

cladius ptolemy

biggest star in our solar system

sun

what are the four terrestrial planets

mercury, venus, earth, and mars

what are the four jovian planets

jupiter, saturn, uranus, and neptune

describe the panet mercury

it is the smallest planet, 88 earth days, has no moon

describe the planet venus

it is the hottest planet and no moon

describe the planet earth

the only planet that permits life, venus and earth are called the sister panet

describe the planet mars

red planet, has two moons which are deimos and phobos

a region of space between the orbits of Mars and Jupiter

asteroid belt

describe the planet jupiter

four largest moon which are ganymede (biggest), callisto (dead moon), Io (volcanically active moon), europa (smallest)

describe the planet saturn

it has 145 moons, prominent object in solar system

describe the planet uranus

it has 11 inner rings and 4 outer rings (william shakspeare)

describe the planet neptune

contains methane, it has 14 moons, the most distant planet from the sun

describe the vortex theory

whirlpool-like motion, the one who proposed this theory is rene descartes

suns collision with a giant comet

collision theory

the one who proposed the vortex theory

rene descartes

describe the nebular theory

giant cloud of gs and dust then it spin rapidly , pancake shaped like object, immanuel kant and pierre simon laplace

what is eon, era, and period

eon is year, era is month, and period is week

interval of time occupied

geaologic time scale

what are the two eon

precambrian and phanerozoic eon

what are the three era in precambrian eon

hadean, archean, proterozoic era

what are the three era in phanerozoic

paleozoic, mesozoic, and cenozoic

hades means ___

hell

in what era in precambrian this happened : lots of ions, sky-orange, sea-green

archean era

in what era in precambrian does this happened : living organisms

proterozoic

in what era in phanerozoic eon does this happened : many fossils formed from sedimentary rocks, first animal succeed, and marine life developed

paleozoic

in what era in phanerozoic eon does this happened : saw the formation of continents, and new bodies of water formed

mesozoic era

in what era in phanerozoic eon is the recent life

cenozoic

decribe the inner core

hottest, 6000C temp., solid, iron-nickle

what are the two types of mantle

lower and upper mantle

describe the outer core

4000-5000C temp., liquid

lower mantle consist of what

asthenosphere

upper mantle consist of what

lithosphere

lithosphere consist of what

entire crust and upper mantle

boundary is also called

discontinuity

boundary of inner and outer core is called

lehmann discontinuity (inge lehmann)

boundary of outer and lower mantle is called the

gutenberg discontinuity (beno discontinuity)

boundary of upper mantle and crust is also called the

mohorovicic discontinuity (andrija mohorovicic)

what are the four spheres

lithosphere, hydrosphere, biosphere, and atmosphere

hydrosphere consist of what

96.5% water and 3.5% salt

biosphere is also called

zone of life

what are the five types of biosphere

dessert, forrest, grassland, aquatic, and tundra

atmosphere consist of what

78% of nitrogen and 21% of oxygen

what are the six types of atmosphere/layer

troposphere, stratosphere, mesosphere, thermosphere, exosphere, and ionosphere

this protects us from UV radiation

troposphere

this protects us from meteorites

mesosphere

in this layer you can see the northern and southern lights

ionosphere

what is in the northern lights

aurora borealis

what is the southern ligths

aurora austalis

SCIENCE MIDTERMS (GOODLUCK) Flashcards

(73 cards)