Phys GeoG, Test 1 pt 4
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19 Terms
rotation of earth
spins in place, 24 hours
revolution of earth
spins AND goes around the sun, 365 days
elipse
oval shape of earth’s orbit around the sun
summer
northern hem is tilted towards the sun
winter
northern hem is tilted away from the sun
how many degrees, latitudally, does the earth shift when the seasons change?
23.5 degrees
latitude
north to south
longitude
east to west
atmosphere
thin envelope of gas around the earth
solids
atoms are stuck together
liquid
atoms are close together, but not in a fixed shape
gas
individual atoms are freely moving
what is the greek form and meaning of oxygen?
gen = maker of something, gen = acid, = maker of acid
what gases make up earth’s atmosphere?
78% nitrogen, 21% oxygen, 0.9% argon, 0.04% carbon dioxide
rusting
oxydizing metal
rotting
oxydizing organic molecules slowly (ex: tree rotting)
burning
oxydizing organic molecules quickly (ex: sticks in a fire)
what would happen if the biosphere was turned off?
oxygen would quickly be used up by rusting/rotting/burning
as you go higher in elevation/atmosphere…
air pressure goes up, temp goes down, and it becomes harder to breath