what do you call the process by which you purify salt water with boiling and condensating?
distillation
rocks made from heating and pressing on sediment rocks
metamorphic
also called "mare's tails"
cirrus clouds
a day when the length of night = length of daylight
equinox
a current of rising air prevalent in the cumulus stage of thunderstorms
updraft
adding salt to ice changes the rate of what process?
slows the freezing process
seismographs measure what natural occurance?
earthquakes
fluffy cotton ball clouds
cumulus
why is it winter here in Chicago when we are closer to the sun than we are in summer?
the angle of the sun is oblique (less direct)
a funnel of air whirling both around and up
vortex
the length of time a water molecule spends in one type of body of water
2 characteristics of oceanic crust
younger, denser, thinner, less silica, more iron, darker color
if a cloud is dark and carries rain, we use this prefix/suffix
nimbo
the sun's thermal energy coming to earth in the form of light
insolation
the initial downward movement of negative charges that begins a lightning strike
stepped leader
a region of the continent that collects rain into one river exit
river drainage basin
what kind of plate interaction creates volcanic chains?
convergence
high clouds often seen at the beginning of a warm front
cirrus
what kind of weather front moves fastest?
cold front
water droplets on condensation nuclei combine with other water droplets until they are heavy enough to rain
collision-coalescence process
drop in temperature due to a sudden decrease in pressure without an exchange of energy
adiabatic cooling
3 pieces of evidence for pangea
puzzle pieces, fossil species, aligned mountain ranges, polar wandering
a mid-level blanket of clouds
altostratus
name two factors that shape global wind patterns
uneven heating of Earth and the Coriolis effect
lines of uniform pressure
isobars