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physical science > chapter 29.3 > Flashcards

chapter 29.3 Flashcards

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Biology 101 flashcards
1
Q

is a rise or fall in the ocean surface

A

tide

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2
Q

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

A

moon phase

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3
Q

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

A

solar eclipse

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4
Q

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

A

lunar eclipse

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5
Q

dark colored flat lava filled regions

A

maria

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6
Q

is a layer of dusty lunar material produced by collisions

A

regolith

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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

gravitational pulls of sun and moon

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11
Q

what is the rise of sea level called

A

high tide

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12
Q

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

A

six hours

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13
Q

which is farther from earth the sun or moon

A

sun

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14
Q

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

A

the moon

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15
Q

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

A

top the sun the earth and the moon are straight

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16
Q

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

A

an L

17
Q

when does a new moon occur

A

earth and sun

18
Q

how many phases of the moon are there

A

8

19
Q

what is the definition of waxing phases

A

the illuminated portion that we see appears larger each night

20
Q

what is the definition of waning phases

A

it decreases the illuminated part of the moon

21
Q

what are the two moon phase names

A

new waxing crescent 1st quarter waxing gibous full waning gibbous 3rd quarter and waning crescent

22
Q

where is the word month derived from

A

old german word and it means moon

23
Q

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

A

sun. moon. earth

24
Q

what is an umbra

A

total solar eclipse

25
Q

what is a penumbra

A

partial eclipse

26
Q

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

A

sun earth moon

27
Q

how are the depressions on the moon formed

A

meteors, astroids, and comets

28
Q

are there mountains on the moon

A

yes there are not tectonics plates on the moon

29
Q

which side of the moon is thicker

A

the dark side

30
Q

is the mantle of the moon a solid or liquid

A

solid

31
Q

what did the clemntine spacecraft do

A

confirmed that the crust is much thinner

32
Q

what did the lunar prospector do

A

orbited the moon and took surface photos confirmed it has small iron rich core

33
Q

what is the giant impact theory

A

formed 4.6 billion years ago when a mars size object created with earth

physical science (12 decks)

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