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Physical Science > Ch 29.3 Notes and Vocab > Flashcards

Ch 29.3 Notes and Vocab Flashcards

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Biology 101 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?
A

8 phases

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
Q
  1. What is an umbra?
A

area of total eclipse and darkest shadow of the sun

26
Q
  1. What is a penumbra?
A

area of a partial eclipse, where shadow is dark but not as dark

27
Q
  1. How is the earth, moon, and sun aligned during a lunar eclipse
A

The earth casts its shadow on the moon during the night

28
Q
  1. How are the depressions on the moon formed?
A

by meteorites, asteroids, and comets

29
Q
  1. Are there mountains on the moon?
A

yes

30
Q
  1. Which side of the moon is thicker?
A

The side that is not facing the Earth (the dark side)

31
Q
  1. Is the mantle on the moon a solid or liquid?
A

Solid

32
Q
  1. What did the Clementine spacecraft do? (2 things)
A
  1. Confirmed the thickness of the crust of the moon

2. Provided info about the mineral content of moon rocks

33
Q
  1. What did the Lunar Prospector do? (3 things)
A
  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
Q
  1. What is the Giant Impact Theory?
A

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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