Download Final summative assessment: Astronomy

Finalsummativeassessment:
Astronomy
Directions:You(andonepartnerifyouchoose)willbe
assignedoneofthethreescenariosorsituations.Youwill
createapresentationtoshowyourunderstandingofthe
conceptsforthatparticularscenarioorsituation.Itisyour
choiceastohowtheinformationistobepresentedtoyour
class:aPowerPoint,amovie,aposter,etc.Youmusthavea
slide,poster,clipforeachofthedifferenttopics(year,
days,season,moonphases,eclipses)minimum.Youmust
haveyourpresentationchoiceapprovedbyyourteacher
beforebeginningthein-classproject.Youwillbe
presentingthesetotheentireclassatsomepoint.
FinalAstronomySummative
AssessmentSituation1:
Asteroid!
Directions:Readeachstatementandanswer
thefollowingquestionsastohowthestatement
wouldaffectEarth.
BreakingNews:
AsmallasteroidhasstruckEarth!Even
thougheveryoneonEarthsurvived(the
asteroidwassmallandlandedintheocean),thishascausedsignificantchangestoEarth.
NASAhasconfirmedthattheEarth’stiltof23.5degreeshaschanged.Earthisnowtilted
thesameasMercury.ThiscollisionhasalsopushedEarthclosertotheSun.NowEarthhas
anaveragedistanceof129,000,000kmtooursolarsystem’sstar.Furthermore,the
collisionhascausedtheEarthtonowrotatefaster,rotatingatthesamespeedasSaturn.
InadditiontothedamagedonetoEarth,partoftheasteroidbrokeoffandcollided
withourMoon.TheMoonstillorbitstheearth,butnowitorbitsonthesameorbitalplane
asEarthandrevolvesonlyovertheequator,butatthesamespeed.
Yourpresentationmustanswerallofthequestionsbelowtoshowyourunderstandingof
thescenario.Thisincludesexplainingwhy,whatandhowthe“breakingnews”willaffect
Earth,includingalllivingandnonlivingthings.
1. Willthelengthsofayearchange?Ifso…explainwhy.
2. HowlongdoesitnowtakeEarthtoorbittheSunindays?(useformula)
3. Whatisyourreasonforthechangeinthelengthofouryear?
4. Willthelengthsofadaychange?Ifso…explainwhy.
5. HowlongisadayonEarth,inhours,asaresultofthiscollision?(useformula)
6. Whatisyourreasonforthechangesinlengthofaday?
7. Willtheseasonschange?Ifso…explainwhy.
8. WhatisyourreasoningforthechangeinseasonsonEarth?
9. Willmoonphasesbeaffected?Ifso…explainwhy.
10.WilltheEarthstillhaveeclipses?Ifso…explainwhy.
11.Willeclipseshappenateveryfull/newmoonphase?Explainwhyorwhynot.
FinalAstronomySummative
AssessmentSituation2
IceCapsaremelting!
Directions:Readeachstatementandanswerthe
followingquestionstohowthestatementwould
affectEarth.
BreakingNews:
Oceanlevelshavebeenslowlyandsteadilyrising
overthelastcoupleofdecades.Duetothese
recentdrasticandrapid“climatechanges”,the
SouthPoleismeltingevenfasterthanbefore,like
anicecubeonahotsidewalk.Duetothese
changes,theEarthisunevenlyweightedandhasbeguntotipover.Afterconsultingwith
NASA,youhavediscoveredthatEarth’stiltof23.5degreesisactuallyincreasingatarapid
rate.CurrentlyitistiltedthesameasNeptune.Thischangeintilthasalsocausedthe
Earthtorotateatamuchfasterrate.Earth’srotationnowtakesthesameamountoftime
asNeptune’s.Withthisnewrotation,theEarthhasmovedfurtherawayfromtheSun,
whichisnow34,000,000kmfurtherawaythanwhereitusedtobe.Withallthisincreased
spinning,asectionoftheEarthhasbrokenoffcreating2moonsorbitingEarth.Both
moonsarenoworbitingtheEarthonthesameorbitalplane,butstayontheexact
oppositesidesoftheEarth.
Yourpresentationmustanswerallofthequestionsbelowtoshowyourunderstandingof
thescenario.Thisincludesexplainingwhy,whatandhowthe“breakingnews”willaffect
Earth,includingalllivingandnonlivingthings.
1. Willthelengthsofayearchange?Ifso…explainwhy.
2. HowlongdoesitnowtakeEarthtoorbittheSunindays?(useformula)
3. Whatisyourreasonforthechangeinthelengthofouryear?
4. Willthelengthsofadaychange?Ifso…explainwhy.
5. HowlongisadayonEarth,inhours,asaresultofthemelting?(useformula)
6. Whatisyourreasonforthechangesinlengthofaday?
7. Willtheseasonschange?Ifso…explainwhy.
8. WhatisyourreasoningforthechangeinseasonsonEarth?
9. Willmoonphasesbeaffected?Ifso…explainwhy.
10.WilltheEarthstillhaveeclipses?Ifso…explainwhy.
11.Willeclipseshappenateveryfull/newmoonphase?Explainwhyorwhynot.
FinalAstronomySummative
AssessmentSituation3
Mooncollision!
Directions:Readeachstatementand
answerthefollowingquestionstohow
thestatementwouldaffectEarth.
BreakingNews:
AnasteroidhasstruckourEarth’sMoon.
Youdidnotseethecollisionbecauseit
wasduringaFullMoonandithappened
duringyourdaytime.Ourmoonisnot
thesameasitwas.Nowwehavetwomoons.Ouroriginalmoonisnowsmallerand
missingachunkoffitsside,butitstillorbitsatthesame5˚orbitalplaneasbeforethe
collision.Thenew“second”moonappearstobethepiecefromouroriginalmoon.This
newmoonisalsorevolvingaroundtheEarthbutonthesameorbitalplaneastheEarth
andSun.EachmoonisnowexactlyaquarteroftherevolutionaroundtheEarthfromeach
other.Thesecondmoon’sgravityhaspulledtheEarthoveronitssideandwearenoware
tiltedthesameasUranus,althoughweneverfeltthischangeandnothingonEarthwas
damagedduringthisprocess.WiththeEarthtipping,ithascausedtheEarthtobecome
16,000,000kmclosertotheSun.ThetipalsodecreasedEarth’srotationtoeequalto½of
Pluto’srotation.
Yourpresentationmustanswerallofthequestionsbelowtoshowyourunderstandingof
thescenario.Thisincludesexplainingwhy,whatandhowthe“breakingnews”willaffect
Earth,includingalllivingandnonlivingthings.
1. Willthelengthsofayearchange?Ifso…explainwhy.
2. HowlongdoesitnowtakeEarthtoorbittheSunindays?(useformula)
3. Whatisyourreasonforthechangeinthelengthofouryear?
4. Willthelengthsofadaychange?Ifso…explainwhy.
5. Howlongisaday,inhours,onEarthasaresultofthiscollision?(useformula)
6. Whatisyourreasonforthechangesinlengthofaday?
7. Willtheseasonschange?Ifso…explainwhy.
8. WhatisyourreasoningforthechangeinseasonsonEarth?
9. Willmoonphasesbeaffected?Ifso…explainwhy.
10.WilltheEarthstillhaveeclipses?Ifso…explainwhy.
11.Willeclipseshappenateveryfull/newmoonphase?Explainwhyorwhynot.
PlanetaryDataFactSheet/Formulas
Distancefrom
theSun(km)
Periodof
Revolutio
n(Earth
years)
Numberof
Moons
Tiltonaxis
59
58,000,000
.24
0
0.1˚
12,104
243
108,000,000
.62
0
177˚
Earth
12,756
1
150,000,000
1
1
23.5˚
Mars
6,694
1.03
228,000,000
1.9
2
25˚
Jupiter
142,800
0.41
778,000,000
12
63
3˚
Saturn
120,540
0.43
1,427,000,000
29
81
27˚
Uranus
51,200
0.72
2,871,000,000
84
27
98˚
Neptune
49,500
0.67
4,497,000,000
165
19
30˚
Pluto
2,200
6.4
5,913,000,000
248
1
120˚
Planet/
Celestial
Body
Diameter
(km)
Periodof
Rotation
(Earthdays)
Mercury
4,878
Venus
Formulaforfindingrevolution:
Scenariodistance÷Earth’sdistance(datatable)X365=lengthofayearforplanetindays.
Formulaforfindingrotation:
ScenarioperiodofRotationx24hours=Lengthofdayforplanetinhours.