SCIENCE MIDTERMS (GOODLUCK) Flashcards
this is the one one who study cosmology
cosmologists
origin of universe
cosmology
idea of collosal explosion
george gamow
cosmo came from the word ______
kosmos which means order
400,000 years
existence of cmb (cosmic microwave background)
logy came from the word____
logos which means study of
8.7 B years
formation of solar system
idea of expansion
georges lemaitre
father of bigbang theory
georges lemaitre
1B years
first galaxy
proves the expansion
edwin hubble
13.7 B years
recent life
expanding but the density is still the the same
steady state theory
400M years
first star
vacuum energy, blachole
cosmic inflation
helio means ___
sun
what are the 7 steps in scientific method
composed of hydrogen & helium
sun
the one who proves the helio centic model
galileo galilei
requires intelligence, imagination, and creativity
scientific method
what model is this: the sun is in the center
helio centic model
idea of helio centric
nicolaus copernicus
geo means ___
earth
what model is this: earth is in the center
geo centric model
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
