chapter 29.3 Flashcards

(34 cards)

1
Q

a rise or a fall in the ocean

A

tide

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2
Q

what is it called when the moon changes appearance seen from the Earth?

A

moon phase

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3
Q

what is it called when the moon moves directly between the sun and Earth and casts a shadow on Earth?

A

solar eclipse

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4
Q

what is it called 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

what are the dark-colored flat lava-filled region on the moon’s surface?

A

Marian

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6
Q

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

A

Regolith

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7
Q

how many days does it take the moon to revolve around the Earth?

A

27.3 days

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8
Q

a complete lunar phase cycle takes 29.5 days what is it 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 cause a tide to rise or fall?

A

gravitational pulls form the moon and the sun

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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 later

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13
Q

which is father from the Earth, the sun , or the moon?

A

sun

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14
Q

does the moon or the sun cause a greater effect on Earth’s tides ?

A

moon

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15
Q

how does the sun the Earth and the moon aligned for a spring tide?

A

they are aligned in a straight line

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16
Q

how does the sun , the Earth and the moon aligned for a neap tide?

A

in an 90 degree angle or L shape

17
Q

what does the phase of the moon you see depend on?

A

the positions of the moon earth and 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?

A

the illuminated portion that we see appears larger each night

21
Q

what id the definition of waning phases?

A

the illuminated portion that we see begins to appear smaller

22
Q

what are the moon phases names?

A
new moon
waxing crescent 
1st quarter 
waxing gibbous
full moon 
waning gibbous 
3rd quarter 
waning crescent
23
Q

where is the word month derived from?

A

same root word as moon

24
Q

How is the Earth, moon, and sun aligned during a solar eclipse?

A

sun,moon, earth

25
what is an umbra?
the shadow
26
what is a penumbra?
you would be in the lighter shadow
27
how is the earth aligned during the lunar eclipse?
sun earth moon
28
how are the depressions on the moon formed?
meteorites asteroids comets
29
are there mountains on the moon?
yes
30
which side of the moon is thicker?
far side the one that is not facing earth
31
is the mantle of the moon a solid or a liquid?
solid
32
what did the Clementine spacecraft do?(2 things)
confirmed the thickness side of the moon | provided info on the mineral content of moons rock
33
what did the Lunar prospector do? (3 things)
took photographs of the lunar surface confirmed the moon has small iron-rich core collected evidence that supports the present of water-ice on the moon
34
what is the Giant Impact Theory?
state that a mars size object collided with Earth and when this happened debris was kicked into orbit and created the Moon