the Frstv test on shape dimesnion Flashcards
se must lear to do shape and dimmesion
earth is what shape
oblate sphere
what does a model of earth have to be
smooth, round
ancient evidence of earth is round
sun and moon are round, ships sink, polaris
modern evidence earth is in fact round
photos from space.gravity measurements, polaris divides
Which direction do latitude lines go
n-s, horizontal
longitude direction
w-e vertical
how many degrees does earth rotate an hour
15 degrees
what direction does earth rotate in
W-e
How do you identify which way lakes flow?
opposite direction of the lines that bend/ point uphill
Altitude of Polaris=
Latitude
How do you calculate the gradient?
Change in field value/ distance
Things weigh less at the…
equator because it is farther away from the core of the earth.
As a boat travels across the equator the degree of polaris will..
stay the same
As a boat travels north the degree of polaris will…
increase
people on the same longitude line share…
timezone
