do now put these in order from smallest to largest: put these in order from smallest to...
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DO NOWDO NOW
Put these in order from smallest to largest:Put these in order from smallest to largest:SuperclusterSupercluster
GalaxyGalaxy
PlanetPlanet
Star SystemStar System
Cluster/GroupCluster/Group
Then identify which structures WE are in. Ie. What supercluster are Then identify which structures WE are in. Ie. What supercluster are we in? What galaxy are we in, etc. You may use your notes.we in? What galaxy are we in, etc. You may use your notes.
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Our Universe BANGS!Our Universe BANGS!
LEARNING OBJECTIVE:LEARNING OBJECTIVE:
I CAN explain the Big Bang I CAN explain the Big Bang Theory.Theory.
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SpectroscopesSpectroscopesThe light given off by stars is marked by The light given off by stars is marked by
dark lines in certain colorsdark lines in certain colorsA A spectroscopespectroscope is an instrument that is an instrument that
separates light into its component colorsseparates light into its component colorsSince stars are primarily hydrogen and Since stars are primarily hydrogen and
helium, the lines helium, the lines we usually see we usually see are in the orange, are in the orange, yellow, green yellow, green and blue areasand blue areas
LEARNING OBJECTIVE:I CAN explain the Big Bang Theory.
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You can retake test You can retake test tomorrow after tomorrow after
school!school!
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Edwin HubbleEdwin Hubble In the early 20In the early 20thth century, Edwin Hubble discovered century, Edwin Hubble discovered
that light that reached Earth from distant galaxies that light that reached Earth from distant galaxies shows special lines that are shifted toward the red shows special lines that are shifted toward the red end of the spectrumend of the spectrum
He suggested that the He suggested that the red-shiftedred-shifted lines are lines are evidence that distant galaxies are moving away evidence that distant galaxies are moving away from us from us Observations of distant Observations of distant
galaxies in all directions galaxies in all directions showed the red shiftshowed the red shift
The more distant the The more distant the galaxy, the greater the galaxy, the greater the red shiftred shift
LEARNING OBJECTIVE:I CAN explain the Big Bang Theory.
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ExpansionExpansion The red-shift and other observations led scientists The red-shift and other observations led scientists
to the conclusion that the universe is expandingto the conclusion that the universe is expanding
LEARNING OBJECTIVE:I CAN explain the Big Bang Theory.
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You can retake test You can retake test tomorrow after tomorrow after
school!school!
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Big Bang TheoryBig Bang Theory
Computer models that reverse the Computer models that reverse the expansion, lead to the idea that at one expansion, lead to the idea that at one time the universe was a concentrated time the universe was a concentrated object of incredible mass and density that object of incredible mass and density that exploded.exploded.
This theory of the origin of the universe is This theory of the origin of the universe is known as the “known as the “Big Bang TheoryBig Bang Theory””
Scientists currently believe the universe Scientists currently believe the universe is about 10 to 15 billion years oldis about 10 to 15 billion years old
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Big Bang TheoryBig Bang TheoryAbout 15 billion years ago, from About 15 billion years ago, from
nothingness, very dense matter smaller nothingness, very dense matter smaller than a period exploded into what would than a period exploded into what would become stars, planets and galaxies.become stars, planets and galaxies.
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You can retake test You can retake test tomorrow after tomorrow after
school!school!
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The Future of the UniverseThe Future of the UniverseSome scientists think that the expansion of Some scientists think that the expansion of
the universe will continue forever.the universe will continue forever.Some astronomers believe the force of Some astronomers believe the force of
gravity will eventually reverse the expansion gravity will eventually reverse the expansion and the universe will fall back together in the and the universe will fall back together in the “big crunch.”“big crunch.”
Some astronomers think it is possible that Some astronomers think it is possible that the universe will pulsate between explosions the universe will pulsate between explosions and contractions.and contractions.
LEARNING OBJECTIVE:I CAN explain the Big Bang Theory.
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Big Bang BalloonBig Bang Balloon
Work with partner at table.Work with partner at table.Follow directions in “What to Do”Follow directions in “What to Do”Ask for help when needed.Ask for help when needed.
LEARNING OBJECTIVE:I CAN explain the Big Bang Theory.
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You can retake test You can retake test tomorrow after tomorrow after
school!school!
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Exit TicketExit Ticket
Take out a sheet of paperTake out a sheet of paperPut all notes awayPut all notes awayDo not talk!Do not talk!
Explain the Big Bang Theory in your own Explain the Big Bang Theory in your own words.words.
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DO NOWDO NOW
What is the evidence for the Big Bang What is the evidence for the Big Bang Theory?Theory?
You may use your notes.You may use your notes.
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NWEA InfoNWEA Info
Monday- 1Monday- 1stst, 4, 4thth and 9 and 9thth Period Period
Tuesday- 2Tuesday- 2ndnd and 6/7 and 6/7thth Period Period
In Lab 274In Lab 274
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AgendaAgenda
Do NowDo NowBalloon Big BangBalloon Big BangData PracticeData PracticeExit TicketExit Ticket
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You can retake test You can retake test today after school today after school
at 2:40!at 2:40!
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Big Bang BalloonBig Bang Balloon
Work with partner at table.Work with partner at table.Follow directions in “What to Do”Follow directions in “What to Do”Ask for help when needed.Ask for help when needed.
LEARNING OBJECTIVE:I CAN select 2 or more pieces of data
from a simple data presentation.
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You can retake test You can retake test today after school!today after school!
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What If?What If?
http://youtu.be/AJOVUF-HaDw?t=8shttp://youtu.be/AJOVUF-HaDw?t=8s