Name:___________________
Date:_______
FastFactsSeasonsReviewSheet
1.Whatarethethreecausesoftheseasons?
-tiltofEarth’saxisat23.5°fromthelineperpendiculartoEarth’sorbitaroundthe
Sun
-parallelismofEarth’saxis
-revolutionofEartharoundtheSun
2.Labelthediagramattheright:
3.Whathappenstointensityofinsolationasangleofinsolationincreases?Intensityof
insolationalsoincreases
4.Summeriswarmerbecausewereceiveahigher_________________&greater
______________________.Angleofinsolation&durationofinsolation
5.WhatdoesitmeanfortheSuntobeoverheadatalocation?It’saltitudeis90°(90°
angleabovethehorizon)
6.ListthedatesoftheequinoxesandthesolsticesandwheretheSunisoverheadat
thoseparticulardates.AlsolistthedurationofinsolationinNYS
12/21-WinterSolstice:Sunoverheadat23.5°S,9hoursdaylightinNYS
3/21-VernalEquinox:Sunisoverheadat0°,12hoursofdaylightinNYS
6/21-SummerSolstice:Sunisoverheadat23.5°N,15hoursofdaylightinNYS
9/23-AutumnalEquinox:Sunisoverheadat0°,12hoursofdaylightinNYS
7.InthenorthernhemisphereIgenerallyhavetolookwhichwaytoseetheSun?South
8.IntheSouthernHemisphereIgenerallyhavetolookwhichwaytoseetheSun?North
9.Whichlatitudesexperience24hoursofdarknessanddaylightoncertaindaysofthe
year?Northof66.5°NorSouthof66.5°S
10.WhatarethepossiblelatitudesthattheSuncanbeoverheadovertheyear?
23.5°Sthrough23.5°N
11.IfEarth’saxisweretiltedmorewhatwouldthatmean?Whatwoulditmeanifit
weretiltedless?More:WarmerSummers&Colderwinters.Less:CoolerSummersand
WarmerWinters
12.OnwhatdatesoftheyeardoestheSunrisedueEastandsetduewest?9/23&3/21
13.Inthenorthernhemisphere,onwhatdatesoftheyeardoestheSunrisenorthof
Eastandsetnorthofwest?6/21
14.Inthenorthernhemisphere,onwhatdatesoftheyeardoestheSunrisesouthof
eastandsetsouthofwest?12/21
15.Whatistherelationshipbetweentheangleofinsolationandthesizeofashadow?
Asangleofinsolationincreases,thesizeoftheshadowdecreases.
16.WhattimeofyearinNYSwillyouhavethehighestaltitudeofthenoonsun?6/21
17.WhattimeofyearinNYSwillyouhavethelowestaltitudeofthenoonsun?12/21
18.Ifitis6/21andIamlocatedat40°N,whatisthealtitudeofmynoonsun?
Sunisoverheadat23.5°N.40°-23.5°=16.5°.90°-16.5°=73.5°
19.Whatdoesinsolationmean?IncomingSolarRadiation
20.Usethisdiagrambelowtoexplainwhichhemispherehaslongerdays:Inthispicture
thesouthernhemispherehaslongerdaysbecauseforeverylatitudelinebelowthe
equator,theamountofdaylightisgreaterthantheamountofnight.Thisisbecauseitis
12/21andatthattime,theSouthernhemisphereistiltedtowardtheSun.
21.IfahemisphereistiltedtowardtheSun,itisgenerallyreceiving
______________anglesofinsolation.Higher.
22.TheSunisoverheadat23.5°NonJune21st.Whatlatitudeisgoingtoreceive
themostintenseinsolationbasedonthisfact?Explain
a)41°Nb)90°Nc)30°N
C.ThecloseryouaretothelatitudewheretheSunisoverhead,thegreaterthe
angleofinsolationyourlocationreceives,whichmeansitwillbethegreatest
intensity.
23.Sun’spathsarealways_____________andtilttowardeitherthe
________________inthenorthernhemisphere,orthe______________inthe
southernhemisphereorneitheratthe________________.Theyarealsoalways
_____apartfromoneanother.
Parallel,south,north,equator,23.5°
24.ThelongertheSun’spaththegreaterthe_________________.Durationof
insolation.
25.Altitudeofthenoonsunchangeswith:season&latitude
26.Durationofinsolationchangeswith:season&latitude
25.Thesun’spathchangeswith:seasons&latitude
27.NameamonthinwhichtheSun’spathwillbebetweentheVernalEquinox
pathandthesummersolsticepath.May
Whatshouldyoureview:
-Season’snotespacket
-CelestialSpherenotespacket
-howtocalculatethealtitudeofthenoonsun
-howtodrawtheSun’spaths
-theSun’spathswedrewtogetherinclass
-Alloftheseason’spracticequestionswehavedone
-thisreviewsheet
-yourreviewbook.