Moon phases and tides

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Last updated 1:37 PM on 10/1/26
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18 Terms

1
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moon phases

The changing appearances of the Moon as seen from Earth

<p>The changing appearances of the Moon as seen from Earth</p>
2
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new moon

Moon phase that occurs when the Moon is between Earth and the Sun, at which point the Moon cannot be seen because its lighted half is facing the Sun and its dark side faces Earth.

<p>Moon phase that occurs when the Moon is between Earth and the Sun, at which point the Moon cannot be seen because its lighted half is facing the Sun and its dark side faces Earth.</p>
3
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first quarter moon

The moon is a quarter of the way around the Earth. You can see the right half of the moon.

<p>The moon is a quarter of the way around the Earth. You can see the right half of the moon.</p>
4
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full moon

the phase of the moon in which we see the entire moon lighted, and it appears bright and round

<p>the phase of the moon in which we see the entire moon lighted, and it appears bright and round</p>
5
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third quarter moon

The phase of the moon when it is three-quarters of the way through its orbit, and we see half of the moon lighted

<p>The phase of the moon when it is three-quarters of the way through its orbit, and we see half of the moon lighted</p>
6
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crescent moon

the phase of the moon in which only a curved edge of the moon's side that faced earth is illuminated,

<p>the phase of the moon in which only a curved edge of the moon's side that faced earth is illuminated,</p>
7
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gibbous moon

when the size of the illuminated portion of the moon is greater than half but not a full moon,

<p>when the size of the illuminated portion of the moon is greater than half but not a full moon,</p>
8
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1/2

How much of the moon is always lit in space

<p>How much of the moon is always lit in space</p>
9
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Our viewing angle

Why do we see different moon phases?

<p>Why do we see different moon phases?</p>
10
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Counterclockwise

What direction does the moon revolve around the Earth?

11
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Moon's gravity

What is the main cause of the Earth's tides?

12
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High tide

The tide you experience when you are on the side of the Earth closest to the moon

<p>The tide you experience when you are on the side of the Earth closest to the moon</p>
13
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Low tide

The tide you experience when you rotate to a location where the Earth's water has been pulled away

<p>The tide you experience when you rotate to a location where the Earth's water has been pulled away</p>
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Spring tide

Special tides when the high tide is HIGHER than usual and the low tide is LOWER than usual

<p>Special tides when the high tide is HIGHER than usual and the low tide is LOWER than usual</p>
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Neap

Special tides when the high tide DOESN'T get very high and the low tide DOESN'T get very low

<p>Special tides when the high tide DOESN'T get very high and the low tide DOESN'T get very low</p>
16
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Earth's rotation

Why do the tides change throughout the day?

<p>Why do the tides change throughout the day?</p>
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Waxing

Phases where the moon is “growing” (right side is lit)

<p>Phases where the moon is “growing” (right side is lit)</p>
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Waning

Phases where the moon is shrinking (left side is lit.)

<p>Phases where the moon is shrinking (left side is lit.)</p>