unit 1 intro to earth science
unit 2- geology
unit 3- oceanography
unit 4- meteorology
unit 5- astrology
100
what is variance
difference in data
100
person who discovered sea floor spreading
harry Hess
100
percent of earth covered by ocean
75%
100
gases in the atmosphere
nitrogen, oxygen, water vapor, carbon dioxide, ozone
100
universe
a physical existence- matter energy space ,time
200
what is the difference between variables and invariables
variables change and invariables do not change
200
percent of earths water found in ocean
97%
200
present of gases in the atmosphere
nitrogen 78% oxygen 21% water vapor 0.4% carbon dioxide .038% ozone .000006%
200
galaxy
group of star systems bound together by gravity
300
outer core
What is liquid metals
300
cause of earthquakes
plates move causing stress then break and shake the earth
300
5 oceans
pacific, Atlantic, Indian, artic, southern
300
troposphere is what
What is the surface layer
300
asteroids-
fragments of rock located mostly in between inner and outer planets
400
inner core
solid metals
400
volcanoes
What is and explosion of lava from deep under the crust
400
waves
crest - top of wave trough- bottom of wave wavelength- distance from crest to crest wave height - distance from crest to trough
400
stratosphere and mesosphere are what layers
the 2nd and the 3rd
400
meteoroids and comets are similar how
They are both space debris meteoroids - smaller space debris -space dust comets - dirty snowballs made of frozen gases and debris typically have large irregular orbits
500
seasons
summer solstice, winter solstice, autumnal equinox, vernal equinox
500
kinds of rocks
igneous,sedimetery
500
wave breakers
spilling breakers, plunging breakers, surging breakers
500
and the thermosphere is what layer
the 4th layer
500
how are the big bang theory and the Hubble law related
it is said that the space moves more and more and keeps expanding and then planets collided creating the big bang
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