29.3 Flashcards

1
Q

tide

A

a rise or fall in the ocean surface

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2
Q

moon phase

A

reflects the change in appearance of the moon as seen from earth

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3
Q

solar eclipse

A

occurs when the moon moves directly between the sun and earth and casts a shadow on earth

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4
Q

lunar eclipse

A

occurs when earth passes between the sun and the moon and casts a shadow on the moon

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5
Q

maria

A

the dark colored flat lava filled reigons on the moons surface

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6
Q

regolith

A

a layer of dusty lunar material produced by collisions between asteroids and comets and the moon

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7
Q

how many days does it take the moon to revolve around earth

A

27.3 days

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8
Q

a complete lunar phase cycle takes 29.5 days, what is this called

A

synodic month

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9
Q

do we ever see the back side of the moon

A

no

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10
Q

what causes a tide to rise or fall

A

sun and the moon

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11
Q

what is the rise of sea level called

A

a hugh tide

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12
Q

after the sea level rises how many hours does it take for the sea level drop

A

about 6 hours

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13
Q

which is farther from earth, the sun or the moon

A

the sun

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14
Q

does the moon or the sun cause a greater effect on earths tides

A
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15
Q

how are the sun,the earth, and the moon aligned for a spring tide

A
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16
Q

how are the sun the earth and the moon aligned for a neap death

A

90 degree angle in the north and south

17
Q

what does the phase of the moon you see depend on

A

depends on the positions on the moon earth and the sun relative to one another

18
Q

when does a new moon occur

A

when the moon is between the earth and the sun

19
Q

how many phases of the moon are there

20
Q

what is the definition of waxing phases

21
Q

what is the definition of wanning phases

22
Q

what are the moon phase names

A

new moon,waxing cresent, first quarter, waxing gibbous, full moon, waning gibbous, 3rd quarter, wanning crecent, new moon

23
Q

where is the word month derived from

24
Q

how is the earth moon and sun aligned during a solar eclipse

25
what is an umbra
26
what is a penumbra
a parcial solar eclipse
27
how is the earth moon and sun aligned during a lunar eclipse
28
how are the depressions on the moon formed
meteorites,asteroids,and comets
29
are there mountains on the moon
yes
30
which side of the moon is thicker
the dark side of the moon
31
is the mantle of the moon a solid or a liquid
solid
32
what did the clementine spacecraft do
it confirmed the thickness of the crust on the moon and it provided information on the mineral content of moon rocks
33
what did the lunar prospector do
it took pictures of the surface of the moon, confirmed that the moon has a small iron rich core, and has collected evidence that supports the presence of water-ice on the moon
34
what is the giant impact theory