Moon Phases

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What is a Full Moon?

Back

A Full Moon is the phase of the Moon when it is completely illuminated as seen from Earth.

Tags

NGSS.MS-ESS1-1

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What is a New Moon?

Back

A New Moon is the phase of the Moon when none of it is visible from Earth.

Tags

NGSS.MS-ESS1-1

Front

What does it mean when the Moon is waxing?

Back

When the Moon is waxing, it means that the visible portion of the Moon is increasing.

Tags

NGSS.MS-ESS1-1

Front

What does it mean when the Moon is waning?

Back

When the Moon is waning, it means that the visible portion of the Moon is decreasing.

Tags

NGSS.MS-ESS1-1

Front

How long does it take for the Moon to complete one full cycle of phases?

Back

It takes about one month (approximately 29.5 days) for the Moon to complete one full cycle of phases.

Tags

NGSS.MS-ESS1-1

Front

What is a Waxing Crescent Moon?

Back

A Waxing Crescent Moon is the phase after the New Moon when a small sliver of the Moon becomes visible.

Tags

NGSS.MS-ESS1-1

Front

What is a Waning Gibbous Moon?

Back

A Waning Gibbous Moon is the phase after a Full Moon when the visible portion of the Moon starts to decrease.

Tags

NGSS.MS-ESS1-1

Front

What is the First Quarter Moon?

Back

The First Quarter Moon is the phase when half of the Moon is illuminated and visible from Earth.

Tags

NGSS.MS-ESS1-1

Front

What is the Last Quarter Moon?

Back

The Last Quarter Moon is the phase when the opposite half of the Moon is illuminated compared to the First Quarter.

Tags

NGSS.MS-ESS1-1

Front

What is a Waxing Gibbous Moon?

Back

A Waxing Gibbous Moon is the phase before a Full Moon when more than half of the Moon is illuminated.

Tags

NGSS.MS-ESS1-1