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Bellringer- Enter quickly and quietly. Bellringer- Enter quickly and quietly. Open your science binder to the Layers Open your science binder to the Layers
of Earth review from yesterday. of Earth review from yesterday.
You have TWO minutes to sharpen your pencils and get settled.
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Don’t Forget…Don’t Forget…
Pencils must be sharpened Pencils must be sharpened before instruction begins.before instruction begins.
Stay ON TASK!Stay ON TASK!
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Quick ReviewQuick Review How many physical layers are there?How many physical layers are there? On which layer physical layer do we live?On which layer physical layer do we live? What is the third physical layer?What is the third physical layer? Name all of the physical layers in order.Name all of the physical layers in order. Which composition layer contains most of the Earth’s Which composition layer contains most of the Earth’s
mass?mass? The lithosphere is also known as the “__ sphere.”The lithosphere is also known as the “__ sphere.” The asthenosphere is also known as the “__ sphere.”The asthenosphere is also known as the “__ sphere.” The mesosphere is also known as the “__ sphere.”The mesosphere is also known as the “__ sphere.” The lithosphere is made of __ parts. Name them.The lithosphere is made of __ parts. Name them. Which layer of the mantle is included in the Which layer of the mantle is included in the
asthenosphere? Can it move?asthenosphere? Can it move? The Earth’s core is made mostly made of ____?The Earth’s core is made mostly made of ____?
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Could you solve the mystery?Could you solve the mystery?
North North AmericanAmerican
SouthSouthAmericanAmerican
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Take a look at the continents!Take a look at the continents!
South AmericaSouth America
Africa
South America
It shows how the continents would fit together if you moved the Atlantic Ocean.
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Outer Core is the liquid layer of the Earth’s core that lies beneath the mantle and surrounds the inner core.
Inner Core The inner core is the solid, dense center of our planet that extends from the bottom of the outer core to the center of the Earth, some6,378 km beneath the surface.
Lithosphere15–300km
Asthenosphere 250km
Mesosphere2,550 km
Outer core2,200 km
Inner core1,228 km
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ContinentsContinents
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Pattern of Fossil FindingsPattern of Fossil Findings
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PangaeaPangaea
All the continents were joined in one landmass All the continents were joined in one landmass called called pangaeapangaea
Means “all earth”Means “all earth” One huge continent 245 million years agoOne huge continent 245 million years ago
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180 Million Years Ago…180 Million Years Ago…
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65 Million Years Ago…65 Million Years Ago…
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Geological TimeGeological Time
Geo= EarthGeo= Earth
How old is the earth? How old is the earth? 4.5 billion years old4.5 billion years old
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Order of LifeOrder of Life
AlgaeAlgae 4.5 billion years4.5 billion years
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Plants (HPlants (H220)0) 1 billion yrs1 billion yrs
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Jellyfish (marine invertebrates)Jellyfish (marine invertebrates)
550 million yrs550 million yrs
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FishFish
Plants (land)Plants (land)
Amphibians/InsectsAmphibians/Insects
ReptilesReptiles
DinosaursDinosaurs 245 million 245 million yrsyrs
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BirdsBirds
MammalsMammals
HumansHumans 65 million yrs65 million yrs
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Reading ComprehensionReading Comprehension
You have 10 minutes to complete You have 10 minutes to complete the reading comprehension review, the reading comprehension review, back and front.back and front.
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Video Notes: EarthquakesVideo Notes: Earthquakes
Take at least 10 detailed notes about Take at least 10 detailed notes about something you have seen or learned something you have seen or learned from the video.from the video.
You have 10 minutes to complete You have 10 minutes to complete the reading comprehension review, the reading comprehension review, back and front.back and front.
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Continental PuzzleContinental Puzzle
Ten major lithospheric platesTen major lithospheric plates North American plateNorth American plate Pacific Plate (Ring of Fire)Pacific Plate (Ring of Fire)
Lithospheric plates can move 2 Lithospheric plates can move 2 inches per yearinches per year
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Bellringer-Bellringer- Enter quickly and quietly. Enter quickly and quietly. Place your science binder on your desk. Place your science binder on your desk. Prepare to review the reading Prepare to review the reading comprehension sheet you have received.comprehension sheet you have received.
Pay attention!Pay attention!
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Complete “Analyzing Evidence: Continental Complete “Analyzing Evidence: Continental Drift” and the plate tectonics video questions Drift” and the plate tectonics video questions with your group member(s).with your group member(s).
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Don’t Forget…Don’t Forget…
Silent PassageSilent Passage
Enter the classroom quietlyEnter the classroom quietly
Stay ON TASKStay ON TASK
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Don’t Forget…Don’t Forget…
Silent PassageSilent Passage
Enter the classroom quietlyEnter the classroom quietly
Stay ON TASKStay ON TASK