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Physical Science > Ch 29.3 Notes and Vocab > Flashcards

Ch 29.3 Notes and Vocab Flashcards

1
Q

Is a rise or fall in the ocean surface

A

Tide

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2
Q

Reflects the change in appearance of the Moon as seen from Earth

A

Moon Phase

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3
Q

Occurs when the Moon moves directly between the Sun and Earth and casts a shadow on Earth

A

Solar Ecplise

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4
Q

Occurs when Earth passes between the Sun and the Moon and casts a shadow on the moon

A

Lunar Eclipse

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5
Q

Are the dark-colored, flat, lava-filled regions on the Moon’s surface

A

Maria

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6
Q

Is a layer of dusty lunar material produced by collisions between asteroids and comets and the Moon

A

Regolith

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7
Q
  1. How many days does it take the moon to revolve around the Earth?
A

27.3 days

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8
Q
  1. A complete lunar phase cycle takes 29.5, what is this called?
A

A synodic month

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9
Q
  1. Do we ever see the back side of the moon?
A

No, we only see one side

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10
Q
  1. What causes a tide to rise or fall?
A

the gravitational pulls of the sun and the moon

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11
Q
  1. What is the rise of sea level called?
A

High Tide

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12
Q
  1. After the sea level rises how many hours does it take for the sea level drop?
A

6 hours later

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13
Q
  1. Which is farther from Earth, the sun or the moon?
A

sun

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14
Q
  1. Does the moon or the sun cause a greater effect on Earth’s tides
A

Moon

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15
Q
  1. How are the sun, the earth, and the moon aligned for a spring tide?
A

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

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16
Q
  1. Hoe are the sun, the earth, and the moon aligned for a neap tide?
A

the sun, the earth, and the moon are in a 90 degree shape

17
Q
  1. What does the phase of the moon you see depend on?
A

how much of the sunlit side of the moon faces Earth

18
Q
  1. When does a new moon occur?
A

when the moon is between the earth and the sun

19
Q
  1. How many phases of the moon are there?
20
Q
  1. What is the definition of waxing phase?
A

the illuminated portion that we see appears larger each night

21
Q
  1. What is the definition of waning phase?
A

the illuminated portion that we see begins to appear smaller

22
Q
  1. What are the moon phase names?
A

New, Waxing Crescent, 1st quarter, Waxing Gibbous, Full, Waning Gibbous, 3rd quarter, and Waning Crescent

23
Q
  1. Where is the word month derived from?
A

Derived from the same root word as Moon

24
Q
  1. How is the earth, moon, and sun aligned during a solar eclipse?
A

The moon blocks put the sun during the day

25
19. What is an umbra?
area of total eclipse and darkest shadow of the sun
26
20. What is a penumbra?
area of a partial eclipse, where shadow is dark but not as dark
27
21. How is the earth, moon, and sun aligned during a lunar eclipse
The earth casts its shadow on the moon during the night
28
22. How are the depressions on the moon formed?
by meteorites, asteroids, and comets
29
23. Are there mountains on the moon?
yes
30
24. Which side of the moon is thicker?
The side that is not facing the Earth (the dark side)
31
25. Is the mantle on the moon a solid or liquid?
Solid
32
26. What did the Clementine spacecraft do? (2 things)
1. Confirmed the thickness of the crust of the moon | 2. Provided info about the mineral content of moon rocks
33
27. What did the Lunar Prospector do? (3 things)
1. Took photographs of the lunar surface 2. confirmed the Moon has a small, iron-rich core about 600 km in diameter 3. collected evidence that supports the presence of water-ice on the Moon
34
28. What is the Giant Impact Theory?
States that a Mars-sized object collided with Earth and when this happened debris was thrown into orbit which condensed into a large mass known as the Moon

Physical Science (17 decks)

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