29.3 Flashcards

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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

A

Comets

23
Q

Are there mountains on the moon

A

Yes

24
Q

Which side of the moon is thicker

A

Dark side

25
Q

Is the mantle of the moon a solid or a liquid

A

solid

26
Q

What did the clementine ship do

A

Provide mineral content

27
Q

What did the Lunar Prospector do

A

Got evidence of water ice

28
Q

What is the giant impact theory

A

A mars sized object hit earth