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Published byFrederica Porter Modified over 8 years ago
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Phases of the Moon
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Vocabulary Terms Phases Moon Cycle Waxing Waning Gibbous Crescent First Quarter Third (Last) Quarter
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It’s Just a Phase Moonlight is reflected sunlight Half the moon’s surface is always reflecting light From Earth we see different amounts of the Moon’s lit surface The amount seen is called a “phase”
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Waxing and Waning New moon Waxing Crescent moon First Quarter moon Waxing Gibbous moon Full moon Waning Gibbous moon Third Quarter moon Waning Crescent moon New moon
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FULL QUARTER CRESCENT GIBBOUS FOUR MAIN SHAPES
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Birth of the Moon Collision Theory “Born” 4-5 billion years ago Formed from impact of Mars-sized “planetesimal” on Earth Debris from both objects melted together to form the Moon
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