unit f list a Flashcards
information gatherd
data
an event related to how the world and universe work
phenomenon
any representation of a system, or its componets, to helpone study and understand how it works.
model
the imaginary line around which an object spins or rotates. Earth rotates around an axis that runs strait through Earth from the north pole to the south pole
axis
consistant with evidance
plausible
to turn or spin around an axis
rotate, rotation
a reigon throughout which the same standard time is used (there are 24 time zones in the worldat approximentely by meridians at 15 intervals, an hour apart)
time zone
an imaginary circle that divides the Earth into two halfs called the northern hemispheir and southern hemispheir.
equator
The half of the Earth that is north of the equator is the Northern Hemisphere; the half or the Earth t is South of the equator is the Southern hemisphere
hemisphere
another term for revolution
orbit
to travel around another object in a circular or elliptacal path
revolution, revolve
the phrase of the moon in which the lit portion of the moon visible from earths serface is less than a half-circle
crescent moon
the phrase of the moon that occursbabout 14 days after the new moon.
full moon
the phase of the moon, occuring about 7 days after the new moon
first quarter moon
a phase of the moon before or after it is full, when more than half of its disk is illuminated
gibbous moon
