chapter 29.3 Flashcards

1
Q

tide

A

is a rise or a fall in the ocean surface

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

moon phase

A

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

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

solar eclipse

A

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

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

lunar eclipse

A

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

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

maria

A

are the dark colored flat lava filled regions on the moons surface

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

regolith

A

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

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

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

A

27.3 day

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

a complete lunar phase cycle takes 29.5 days what is it called

A

synotic month

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

do we ever see the back side of the moon

A

no,we only see one side

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

what causes the tide to rise or fall

A

the gravitational pull between the sun and the moon

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

what is the rise of sea level called

A

high tide

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

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

A

about 6 hours

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

which is farther from the earth the sun or the moon

A

sun

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

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

A

the moon

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

how are the sun , the earth, and the moon aligned for a spring tide

A

the sun, the earth, and the moon are in a straight line

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

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

A

the sun, the earth, and the moon are at a 90 degree angle

17
Q

what does the phase of the moon you see depend on

A

the positions between the earth, moon, and the sun relative to one another

18
Q

when does a new moon occur

A

occurs when the moon is between the earth and the sun

19
Q

how many phases of the moon are there

A

8 phases

20
Q

what is the definition of waxing phases

A

the illuminated portion of the moon becomes greater and greater each night

21
Q

what is the definition of waning phases

A

we see less and less of the moon being illuminated

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 derives from

A

comes from the word moon

24
Q

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

A

occurs when the moon moves directly between the sun and the earth

25
Q

what is an umbra

A

darkest portion of the moon’s shadow

26
Q

what is a penumbra

A

the lighter shadow of the moon that is casted on earth

27
Q

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

A

the earth is between the sun and the moon

28
Q

how are the depressions on the moon formed

A

by meteorites, asteroids, comits

29
Q

are their mountains on the moon

A

yes

30
Q

which side of the moon is thicker

A

the side that doesn’t show

31
Q

is the mantle of the moon a solid or a liquid

A

solid

32
Q

what did the clementine spacecraft do (2 things)

A

it confirmed the thickness of the crust, and provided information of the mineral content on the moon

33
Q

what did lunar prospector do (3 things)

A

took photographs of the moon surface,confirmed the moon has a small iron rich core, collected evidence of the presence of water ice

34
Q

what is the giant impact theory

A

a mars size object collided with earth which threw debree out into orbit, that debree condensed forming a large mass called the moon