CH29.3 Flashcards
occurs when the moon moves directly between the sun and Earth and casts a shadow on Earth
solar eclipse
occurs when Earth passes between the sun and the moon and casts a shadow on the moon
lunar eclipse
is a rise or fall in the ocean surface
tide
are the dark-colored, flat,lava filled regions on the Moons surface
Maria
is a layer of dusty lunar material produced by collisions between asteroids and comets and the Moon.
regolith
reflects the change in appearance of the moon as seen from earth
moon phase
how many days does it take the moon to revolve around Earth
27.3 days
a complete lunar phase cycle take 29.5 days what is this called
a synodic month
do we ever see the back of the moon
no we do not see ever see the back side of the moon
what causes a tide to rise and fall
the gravitational pull from the sun and the 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
about six hours
which is further from Earth, the sun or the moon
sun
does the moon or the sun cause a greater effect on Earth’s tides
the moon
how are the sun, the earth, and the moon aligned for a spring tide
sun, the earth, moon
how are the sun earth and moon aligned during a neap tide
90 degree angle sun, earth, moon
what does the phase of the moon you see depend on
depends on the moon earth and the sun relative to one another
when does a new moon occur
when the moon is between earth and the sun
how many phases if the moon are there
8 phases
what is the definition of waxing
the illuminated portion that we see appears lager each night
what is the definition if waning phases
they are less illuminated as the night go on
what are the moon phase names
New moon, waxing crescent, 1st quarter, waxing gibbous, full moon, waning gibbous 3rd quarter, waning gibbous
where is the word month derived from
it comes from the same root word as moon
how is the earth moon and sun aligned during a solar eclipse
sun moon earth
what is an umbra
where the total eclipse happens which is the darkest portion of the moon shadow of
what is a penumbra
is a partial total eclipse not going to be in the the dark shadow
how is the earth moon and sun aligned during a lunar eclipse
moon earth sun
how are the depressions on the moon formed
meteorites, asteroids and comets which strike the surface of the moon
are there mountains on the moon
yes
which side side of the moon is thicker
the far side
is the mantle of the moon solid or liquid
solid
what did the clementine spacecraft do
confirmed the thickness of the crust and also provided information on the mineral content of Moon rocks
what did the lunar prospector do
took photos of the surface of the moon, confirmed the moon has a small iron rich core, collected evidence of water ice on the moon.
what is the giant impact theory
