Reasons for the Seasons

Front

What causes the seasons on Earth?

Back

The tilt of the Earth's axis (23.5 degrees) and its orbit around the Sun cause the seasons.

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NGSS.MS-ESS1-1

Front

What is the angle of the Earth's axial tilt?

Back

23.5 degrees.

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Front

What is a waxing crescent moon?

Back

A waxing crescent moon is the phase of the moon where less than half of the moon is illuminated and it is increasing in illumination.

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Front

What is a new moon?

Back

A new moon is the phase of the moon when it is between the Earth and the Sun, and its illuminated side is facing away from the Earth.

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Front

What is a waxing gibbous moon?

Back

A waxing gibbous moon is the phase of the moon where more than half of the moon is illuminated and it is increasing in illumination.

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Front

What is a waning gibbous moon?

Back

A waning gibbous moon is the phase of the moon where more than half of the moon is illuminated and it is decreasing in illumination.

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Front

What is a full moon?

Back

A full moon is the phase of the moon when it is fully illuminated as seen from Earth.

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Front

What is a waning crescent moon?

Back

A waning crescent moon is the phase of the moon where less than half of the moon is illuminated and it is decreasing in illumination.

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NGSS.MS-ESS1-1

Front

How does the Earth's tilt affect sunlight distribution?

Back

The tilt of the Earth causes different parts of the Earth to receive varying amounts of sunlight throughout the year, leading to the seasons.

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NGSS.MS-ESS2-6

Front

What is the significance of the equinoxes?

Back

Equinoxes are the times of the year when day and night are approximately equal in length, marking the start of spring and autumn.

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