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The moon and its motions
Describe the eight phases of the moon and how they repeat in a 29.5-day cycle. Explain how the positions of the Earth, moon, and Sun cause lunar phases and eclipses. Distinguish between total and partial lunar eclipses and identify when they occur in the moon’s orbit.
This lesson is part of the members-only content of Middle school Earth and space science. The first 3 lessons of every course are free — this one starts after the free preview.
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