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LunarPhasesandEclipses

PhasesofthemoonLunareclipses

Solareclipses

Whatcauseslunarphases?

PhasesAnima:on

•  h;p://astro.unl.edu/classac:on/ques:ons/lunarcycles/ca_lunarcycles_treephases.html

•  h;p://astro.unl.edu/naap/lps/anima:ons/lps.html

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Prac:ce

•  Inyourgroups,completethe“CauseofMoonPhases”worksheet(handedout).

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Ques:on

Duringthefullmoonphase,howmuchofthemoon’ssurfaceisbeingilluminatedbysunlight?

1.  None2.  Lessthanhalf3.  Half4.  Morethanhalf

5.  All

Ques:ons

h;p://astro.unl.edu/classac:on/ques:ons/lunarcycles/ca_lunarcycles_idlunarpos.html

Lunarphasesriseandsetatcharacteris:c:mes

•  differentphasesriseandsetatdifferent:mes

•  butagivenphasesALWAYSrisesandsetsatthesame:me

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PhaseAnima:onRevisited

•  h;p://astro.unl.edu/classac:on/anima:ons/lunarcycles/lunarapplet.html

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Prac:ce

•  Inyourgroups,completethe“Predic:ngMoonPhases”worksheet(handedout).

Ques:ons

h;p://astro.unl.edu/classac:on/ques:ons/lunarcycles/ca_lunarcycles_horzdiagid:me.html

h;p://astro.unl.edu/classac:on/ques:ons/lunarcycles/ca_lunarcycles_phaseevolu:on.html

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Ques:on

Thepicturebelowwastakenfromthemoon.Whatphasewasthemooninwhenthisphotowastaken?

1.  Full2.  New3.  Firstquarter 4.  Waningcrescent

5.  Impossibletosay

AlunareclipseoccurswhenthemoonpassesthroughEarth’sshadow

Whydoesn’tthishappenonceamonth?

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LunarEclipse

•  h;p://www.youtube.com/watch?v=2dk‐‐lPAi04

AsolareclipseoccurswhenthemoonpassesinfrontoftheSun

IfyouwereaMar:an…

MeetPhobos!!

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Solareclipse

•  h;p://www.youtube.com/watch?v=eOvWioz4PoQ

“Upcoming”totalsolareclipses

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Ques:onsyoushouldbeabletoanswer.

•  Whatcauseslunarphases?•  Fillinthechartonthefollowingslidewiththeappearanceandnameofeachlunarphase.

•  Foreachlunarphase,givethe:methatthephaserisesandsets.

•  Whatcausesalunareclipse?Whatphaseisthemooninduringalunareclipse?

•  Whatcausesasolareclipse?Whatphaseisthemooninduringasolareclipse?