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.

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!

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 ____?

Could you solve the mystery?Could you solve the mystery?

North North AmericanAmerican

SouthSouthAmericanAmerican

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.

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

ContinentsContinents

Pattern of Fossil FindingsPattern of Fossil Findings

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

180 Million Years Ago…180 Million Years Ago…

65 Million Years Ago…65 Million Years Ago…

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

Order of LifeOrder of Life

AlgaeAlgae 4.5 billion years4.5 billion years

Plants (HPlants (H220)0) 1 billion yrs1 billion yrs

Jellyfish (marine invertebrates)Jellyfish (marine invertebrates)

550 million yrs550 million yrs

                                               

        

FishFish

Plants (land)Plants (land)

Amphibians/InsectsAmphibians/Insects

ReptilesReptiles

DinosaursDinosaurs 245 million 245 million yrsyrs

BirdsBirds

MammalsMammals

HumansHumans 65 million yrs65 million yrs

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.

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.

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

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!

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).

Don’t Forget…Don’t Forget…

Silent PassageSilent Passage

Enter the classroom quietlyEnter the classroom quietly

Stay ON TASKStay ON TASK

Don’t Forget…Don’t Forget…

Silent PassageSilent Passage

Enter the classroom quietlyEnter the classroom quietly

Stay ON TASKStay ON TASK