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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
Q

What is a hybrid solar eclipse?

A

A hybrid solar eclipse is one that shifts between a total and an annular eclipse along different parts of its path.

26
Q

Fill in the blank: The average time between high tides is approximately _____ hours.

27
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.

28
Q

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

29
Q

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

30
Q

What are the two main types of tides?

A

Spring tides and neap tides.

31
Q

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

A

New Moon and Full Moon

32
Q

What is the main cause of ocean tides?

A

The gravitational forces exerted by the Moon and the Sun.

33
Q

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

34
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.

35
Q

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

36
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.

37
Q

Multiple Choice: How often do solar eclipses occur?

A

About 2 to 5 times a year

38
Q

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

39
Q

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

40
Q

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

A

An eclipse

41
Q

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

42
Q

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

A

It creates tides.

43
Q

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

44
Q

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

45
Q

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

46
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.

47
Q

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

48
Q

Multiple Choice: Which type of eclipse is more frequent?

A

Lunar eclipse

49
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.

50
Q

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

51
Q

What is a hybrid solar eclipse?

A

A hybrid solar eclipse is one that shifts between a total and an annular eclipse along different parts of its path.

52
Q

Fill in the blank: The average time between high tides is approximately _____ hours.

The Sun-Moon-Earth System (2 decks)

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