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Khan Academy (English - US curriculum)
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Khan Academy (English - US curriculum)
Science & Engineering
Middle school Earth and space science - NGSS
The Earth-sun-moon system
The moon and its motions
The moon and its motions
Can't see the moon at night? Don't worry, it's just a phase.
Phases of the moon
Lunar eclipses
Understand: the moon and its motions
Apply: the moon and its motions
