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physical science > 29.3 > Flashcards

29.3 Flashcards

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1
Q

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

A

27.3

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2
Q

a complete luar phase cycle takes 29.5 days what is it called

A

synodic month

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3
Q

do we ever see the back side of the moon

A

no

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4
Q

what causes a tide to rise or fall

A

gravitational pulls of sun and moon

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5
Q

what is the rise in sea level called

A

high tide

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6
Q

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

A

about 6 hours

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7
Q

which is further from the earth sun or moon

A

sun

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8
Q

does the moon or sun cause a greater effect on earths level drop

A

sun

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9
Q

how are the sun the earth and the moo aligned for a spring tides

A

sun earth moon

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10
Q

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

A

l 90 degree anles

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11
Q

what does the phases of the moon you see depend on

A

moon earth and the sun relative to one another

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12
Q

when does the moon occur

A

what the moon is between areth and sun

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13
Q

how many phases of the moon are there

A

8

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14
Q

what is the definition of waxing phases

A

moon becomes more reflective

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15
Q

what is the definition of waning phases

A

decreases less and less

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16
Q

name moon phases

A

new moon,waxing cresent, 1 quarter waxing current new 3 quarter

17
Q

where is the word month derived from

A

drives

18
Q

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

A

sun moon earth

19
Q

what is an umbra

A

dark central spot

20
Q

what ius a penumbra

A

Parsifal eclipse

21
Q

how is the earth sun and moon aligned during an lunar eclipse

A

earth is between sun and moon

22
Q

how are the depressions on the moon formed

A

carders menders asteroids

23
Q

how there mountains on the moon

A

yes

24
Q

which side on the moon is thicker

A

back side

25
Q

is the mantle of the moon a solid or a liquid

A

solid

26
Q

what is the clementine spa craft do

A

mineral content of rocks, comforted thickness of crust

27
Q

what did the lunar prospector do

A

take surface pics of moon
moon had small iron rich core
collected evidence of water ice on moon

28
Q

what ius the gaint impact

A

physical science (16 decks)

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