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The Sun-Moon-Earth System > Eclipses and Tides > Flashcards

Eclipses and Tides Flashcards

1
Q

What is a solar eclipse?

A

A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking the Sun’s light.

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2
Q

True or False: A total lunar eclipse occurs when the Earth passes between the Sun and the Moon.

A

True

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3
Q

Fill in the blank: The gravitational pull of the _____ and the _____ causes tides on Earth.

A

Moon, Sun

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4
Q

What are the two main types of tides?

A

Spring tides and neap tides.

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5
Q

Multiple Choice: During which phase of the Moon do spring tides occur?

A

New Moon and Full Moon

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6
Q

What is the main cause of ocean tides?

A

The gravitational forces exerted by the Moon and the Sun.

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7
Q

True or False: Eclipses can only occur during a full moon.

A

False

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8
Q

What is a penumbral lunar eclipse?

A

A penumbral lunar eclipse occurs when the Moon passes through the Earth’s penumbral shadow, causing a subtle shading effect.

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9
Q

Fill in the blank: The point of greatest distance between the Earth and the Moon is called _____

A

Apogee

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10
Q

What is the difference between a partial and total solar eclipse?

A

In a partial solar eclipse, only a part of the Sun is obscured by the Moon, while in a total solar eclipse, the entire Sun is covered.

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11
Q

Multiple Choice: How often do solar eclipses occur?

A

About 2 to 5 times a year

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12
Q

What is the term for the highest point of a tide?

A

High tide

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13
Q

True or False: Tides are predictable and follow a regular cycle.

A

True

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14
Q

What phenomenon occurs when the Sun, Moon, and Earth align?

A

An eclipse

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15
Q

Fill in the blank: The _____ is the area of the Earth’s shadow that causes a total lunar eclipse.

A

Umbra

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16
Q

What is the effect of the Moon’s gravitational pull on Earth’s oceans?

A

It creates tides.

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17
Q

Multiple Choice: Which type of tide occurs during the first and third quarter phases of the Moon?

A

Neap tide

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18
Q

What is the term for the lowest point of a tide?

A

Low tide

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19
Q

True or False: Eclipses can occur at any time of the year.

A

False

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20
Q

What is the main difference between a lunar eclipse and a solar eclipse?

A

A lunar eclipse occurs when the Earth is between the Sun and the Moon, while a solar eclipse occurs when the Moon is between the Earth and the Sun.

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21
Q

Fill in the blank: The gravitational pull of the _____ is stronger on Earth than that of the Sun.

22
Q

Multiple Choice: Which type of eclipse is more frequent?

A

Lunar eclipse

23
Q

What role does the Sun play in the creation of tides?

A

The Sun’s gravitational pull also affects tides, though to a lesser extent than the Moon.

24
Q

True or False: The cycle of tides is influenced by the Earth’s rotation.

25
What is a hybrid solar eclipse?
A hybrid solar eclipse is one that shifts between a total and an annular eclipse along different parts of its path.
26
Fill in the blank: The average time between high tides is approximately _____ hours.
12.5
27
What is a solar eclipse?
A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking the Sun's light.
28
True or False: A total lunar eclipse occurs when the Earth passes between the Sun and the Moon.
True
29
Fill in the blank: The gravitational pull of the _____ and the _____ causes tides on Earth.
Moon, Sun
30
What are the two main types of tides?
Spring tides and neap tides.
31
Multiple Choice: During which phase of the Moon do spring tides occur?
New Moon and Full Moon
32
What is the main cause of ocean tides?
The gravitational forces exerted by the Moon and the Sun.
33
True or False: Eclipses can only occur during a full moon.
False
34
What is a penumbral lunar eclipse?
A penumbral lunar eclipse occurs when the Moon passes through the Earth's penumbral shadow, causing a subtle shading effect.
35
Fill in the blank: The point of greatest distance between the Earth and the Moon is called _____
Apogee
36
What is the difference between a partial and total solar eclipse?
In a partial solar eclipse, only a part of the Sun is obscured by the Moon, while in a total solar eclipse, the entire Sun is covered.
37
Multiple Choice: How often do solar eclipses occur?
About 2 to 5 times a year
38
What is the term for the highest point of a tide?
High tide
39
True or False: Tides are predictable and follow a regular cycle.
True
40
What phenomenon occurs when the Sun, Moon, and Earth align?
An eclipse
41
Fill in the blank: The _____ is the area of the Earth's shadow that causes a total lunar eclipse.
Umbra
42
What is the effect of the Moon's gravitational pull on Earth's oceans?
It creates tides.
43
Multiple Choice: Which type of tide occurs during the first and third quarter phases of the Moon?
Neap tide
44
What is the term for the lowest point of a tide?
Low tide
45
True or False: Eclipses can occur at any time of the year.
False
46
What is the main difference between a lunar eclipse and a solar eclipse?
A lunar eclipse occurs when the Earth is between the Sun and the Moon, while a solar eclipse occurs when the Moon is between the Earth and the Sun.
47
Fill in the blank: The gravitational pull of the _____ is stronger on Earth than that of the Sun.
Moon
48
Multiple Choice: Which type of eclipse is more frequent?
Lunar eclipse
49
What role does the Sun play in the creation of tides?
The Sun's gravitational pull also affects tides, though to a lesser extent than the Moon.
50
True or False: The cycle of tides is influenced by the Earth's rotation.
True
51
What is a hybrid solar eclipse?
A hybrid solar eclipse is one that shifts between a total and an annular eclipse along different parts of its path.
52
Fill in the blank: The average time between high tides is approximately _____ hours.
12.5

The Sun-Moon-Earth System (2 decks)

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