29.3 Flashcards

1
Q

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

A

27.3 days

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2
Q

A complete lunar phase cycle takes 29.5 days what is the 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 and fall

A

The pull of the sun and moon

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5
Q

What is the rise of sea level called

A

high tide

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6
Q

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

A

6 hours

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7
Q

Which is farther from earth the sun or moon

A

the Sun

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8
Q

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

A

The moon

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9
Q

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

A

In a 90* angle

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10
Q

How are the sun the earth and the moon aligned for a spring tide

A

When the moon and the sun pull together In a straight line

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11
Q

What does the phase of the moon you see depend on

A

The positions of the earth moon and sun relative to another

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12
Q

When does the new moon occur

A

When the moon is between the earth 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

When the moon is getting more and more lighted

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15
Q

What is the definition of waning phase

A

When the moon is getting less and less lighted

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16
Q

What are the moon phase names

A

New moon, full moon, waxing crescent, waxing gibbous, waning crescent, 1st quarter, 3rd quarter

17
Q

What is the word month come from

A

The Proto-Germanic word for moon

18
Q

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

A

Moon covers sun

19
Q

What is an umbra

A

The darkest portion of moons shadow

20
Q

What is a penumbra

A

The lightest part of moon shadow

21
Q

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

A

Moon is covered by the earth

22
Q

How are the depressions on the moon formed

23
Q

Are there mountains on the moon

24
Q

Which side of the moon is thicker

25
Is the mantle of the moon a solid or a liquid
solid
26
What did the clementine ship do
Provide mineral content
27
What did the Lunar Prospector do
Got evidence of water ice
28
What is the giant impact theory
A mars sized object hit earth