29.3 Flashcards

1
Q

Tide

A

Rise or fall in the ocean surface

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2
Q

Moon phase

A

Reflects the change in appearance of the moon

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3
Q

Solar Eclipse

A

The moon moves directly between the sun and earth and cast a shadow on earth

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4
Q

Lunar eclipse

A

When earth passed between the sun and the moon and casts a shadow on the moon.

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5
Q

Maria

A

The dark colored flat lava filled regions on the moons surface.

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6
Q

Regolith

A

The layer of dusty lunar material produced by collisions between asteroids and comets and the Moon.

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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 this 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 causes a ride to rise or fall?

A

The gravitational pulls of the sun and the moon

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11
Q

What is the rise of the sea called?

A

High tide

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12
Q

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

A

6 hours

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13
Q

Which is farther from Earth, and the sun or the moon?

A

Sun

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14
Q

Does the moon or the sun cause a greater effect on Earths tides?

A

Moon

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15
Q

How are the sun, the Earth and the moon aligned for the spring tide

A

The sun the earth and the moon are in a straight line.

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16
Q

How are the sun the wary and the moon aligned for a neap tide?

A

They make a ninety degree angle

17
Q

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

A

Depends on the position of the moon earth and the sun relative to another.

18
Q

When does a new moon occur?

A

When the moon is in between the earth and the sun

19
Q

How many phases of the moon are there?

20
Q

What is the definition of a waxing phase?

A

The illuminated portion that we see appears larger each night.

21
Q

what is the definition of waning phase?

A

Where the portion of the moon that we see gets smaller and smaller every night.

22
Q

What are the moon phase names?

A

1st quarter waxing crescent new waning crescent 3rd quarter waning gibbous full waxing gibbous

23
Q

Where is the word month derived from?

24
Q

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

A

Straight line

25
How is the earth moon and sun aligned during a lunar eclipse?
They are in a straight like and it’s sun moon earth
26
Are there mountains on the moon?
Yes
27
Which side of the moon is thicker?
Dark side of the moon
28
Is the mantle or the moon a solid or a liquid?
Solid
29
What did the Clementine spacecraft do? (2 things)
Confirmed the thickness of the crust of the moon and provided information on the mineral content of rocks
30
What did the Lunar Prospector do? (3 things)
Took surface photos of the moon confirmed the moon has a small iron rich cure and collected presence if ice-water on the moon.
31
What is the Giant Impact Theory?
The moon formed about 4.6 billion years ago when a marsh sized object collided with earth and gas and debit were thrown into orbit then it condenser into the moon
32
What is an umbra?
Total eclipse darkest shadow
33
What is a penumbra?
Partial exlipse
34
How are the depressions on the moon formed?
Meteors