chapter Flashcards

1
Q

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

A

27.3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

a complete lunar phase cycyle takes 29.5 days,what is this called?

A

senadic month

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

do we ever see the back side of the moon?

A

no

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what causes a tide to rise or fall

A

gravitational pullby sun or moon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is the rise of sea level called

A

hightide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

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

A

6 hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

which is farther from earth,the sun or moon

A

sun

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

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

A

moon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

how are the sun,moom,the earth allined for spring tide

A

sun,earth,moon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

how are the earth,moon,and sun alligned for neap tide

A

sun,earth,moon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what does the phase of the moon you see depend on

A

position of moon earth and sun

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

when does a new moon occur

A

when the moon is between the earth and sun

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

how many phases does themoon have

A

8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what is the definition of waxing phase

A

the illuminating portion that we see appears each night

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is waning phase

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what are the moon phase names

A

new moon.waxing cresent,first quarter.3rd quarter,warning gibbious,full moon,waxing gibbous,

17
Q

where is the world month derived from

A

from same root word as moon

18
Q

how is earth,moon.and sun alligned during solar eclipse

A

sun,moon,earth

19
Q

what is an umbra

20
Q

what is a penumbra

A

light part

21
Q

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

A

sun,earth,moon

22
Q

how are the depressions on the moon formed

A

stroids,metorids,and comits colid with the moon

23
Q

are there mountains on the moon

24
Q

which side of the moon is thicker

25
is the mantle ofthe moon a solid or liquide
26
what did the chementine spacecraft do
comformed that the crust that fases earth is much thinner,provided information on the mineral content
27
what did the lunar prospector do
28
what is the giant impact theory