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Published byElisabeth Shaw Modified over 6 years ago
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Thank you for not chewing gum or anything else
Materials: Agenda Pencil Notebook/Folder April 28, 2016 Agenda: Bell work Moon/Eclipse Simulation Casting Shadows Worksheet Daily Objective: Today we will learn about the phases of the moon & what causes eclipses Daily Question: What type of moon is this?
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Computer Model Simulations:
Eclipse Simulation: Fill out the worksheet for lunar & solar Eclipses 2. Complete the casting shadows T/F worksheet
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“Where no man has gone before!”
*work on casting shadows/moon talk worksheet when done! “Where no man has gone before!”
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Eclipse: An event which one object in space casts a shadow on another object.
Eclipses are named for what is being blocked from view. Lunar Eclipse: Earth comes directly between the Sun and a Full Moon. Resulting in the moon being darkened by the Earth’s shadow. Solar Eclipse: When the New Moon comes directly between the Sun and the Earth. Part or all of the Sun is blocked from view by the Moon. Umbra: Smaller, inner shadow – area of total eclipse Penumbra: Larger, outer shadow – area of partial eclipse Waxing = light on right (growing) Waning = light on left (shrinking) Crescent = less than half Gibbous = more than half
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Lunar Eclipse Solar Eclipse
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Waxing = light on right (growing)
Waning = light on left (shrinking) Crescent = less than half Gibbous = more than half
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New Moon Not visible Beginning of cycle Phase one
Sun is behind the Moon
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Waxing Crescent Waxing means “growing” Waxes during 1st half of cycle
Phase 2 Small Sliver on right visible
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First Quarter Entire Right Side visible 1/4 of the cycle is complete
Phase 3
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Waxing Gibbous More than ½ but less than all is visible Still Waxing
Phase 4
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Full Moon ENTIRE near side visible ½ way through the cycle Phase 5
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Waning Gibbous Waning means “Shrinking”
Less and less of the nearside is visible Small sliver on right missing Phase 6
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Last Quarter Entire left side of moon visible Completed ¾ of the cycle
Phase 7
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Waning Crescent Less than ½ is still visible Still Waning
Last phase before returning to New Moon. Cycle will repeat
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NASA Eclipse Web Site
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