chapter 29.3 Flashcards
(28 cards)
how many days does it take the moon to revolve around earth
27.3 days
a complete lunar phase cycle takes 29.5 days, what is this called?
synodic month
Do we ever see the back of the moon?
no
what causes the tide to rise of fall
gravitational pulls by the sun and moon
what is the rise of sea level called
high tide
after the sea level rises, how many hours does it take for the sea level to drop
6 hours
which is farther from the earth,the sun or the moon
the sun
does the moon or the sun cause a greater effect on earths tides
the moon
how is the earth moon and sun aligned for the spring tide
the sun, earth and then the moon in a straight line
how are the sun earth and moon aligned for the neap tide
at a 90 degree and wit the sun earth and moon
what does the phase of the moon you see depend on
the positions of the earth moon and sun relative to each other
when does a new moon occur
when the moon is between the earth and the sun
how many phases of the moon are there
8
what is the definition of waxing phases
when the moon is lighter and lighter each night
what is the definition of waning phases
the moon is less illuminated each night
what are the moon phase names
new moon, waxing crescent, first quarter, waxing gibbous, whole moon, waning gibbous, and waning crescent
where is the word month derived from
it comes from the same root word moon
how is the sun earth and moon alligend in a solar eclipse
sun moon and earth
what is an umbra
where the total solor eclipse is scene in an area and is the darkest portion of the moons shadow on earth
what is a penumbra
a partial solar eclipse
how is the sun earth and moon alligend in a lunar eclipse
the sun earth and then moon in a straight line
how are the depressions on the moon surface formed
by meteorites, asteroids, and comets, that strike its surface
are their mountains on the moon
yes
which side of the moon is thicker
the backside of the moon that doesn’t face earth
