eq: what are the names and locations of the main structural layers of the earth? layers of the earth...
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EQ: What are the names and locations of the main structural layers of the Earth?
Layers of the Earth Notes
12
Starter
Layers of the Earth Notes
9/1/15 9/1/15
Application: Questions
Connection/Exit:
Describe the layers of the Earth to a child younger than yourself. It must be simple but include details.
Practice: Notes
11
• Look at the pie chart. What are the four most abundant elements in order from least amount to greatest amount in the layers of the earth?
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Star
ter• Look at the pie chart
on the left. What are the four most abundant elements in order from least amount to greatest amount in the layers of the earth?
A. Iron, aluminum, silicon, oxygen
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9/1/15AGENDA
Objective 6.10 A Build a model to illustrate the structural layers of Earth, including the inner core, outer core, mantle, crust, asthenosphere, and lithosphere
1 Starter2. Notes/Foldable
HMWK # 2:Review pp 265-266 in book – Due Friday 9/4
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Date Lecture/ Activity/ Lab Page8/28 Syllabus /Notebook Guidelines 1-28/28 Periodic Table/ Formula 3-48/28 Language Scripts and Quickwrites 5-68/28 Lab Report/ Safety Equipment 7-88/31 Layers of the Earth Notes 9-10 9/1 Layers of the Earth Notes 11-12
Table of Contents
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Earth’s Layer’s Notes
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Color the four layers using this guide:Ocean- blueContinental crust-light brownOceanic crust- dark brownUpper mantle- yellowMiddle mantle- light
orangeLower mantle- orangeOuter Core- red-orangeInner core- Red
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The Earth is composed of Four different layers.
1. The crust is the layer that you live on, and it is the most widely studied and understood.
2. The mantle is much hotter and has the ability to flow.
3. The outer core and inner core are even hotter with pressures so great you would be squeezed into a ball smaller than a marble if you were able to go to the center of the Earth!
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The CrustThe Earth's Crust is like the skin of an apple. It is very thin in comparison to the other three layers.
Composition: made of granite and basalt
State of matter: Solid rock
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The CrustContinental Crust: Thickness: 30-70 kmComposition: GraniteState of matter: solid rock
Oceanic Crust:Thickness: 8 kmComposition: BasaltState of matter: Solid rock
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The Crust: LithosphereThe crust and the upper layer of the mantle
together make up a zone of rigid, brittle rock called the Lithosphere.
The crust of the Earth is broken into many pieces called plates. The plates "float" on the soft, semi-rigid asthenosphere.
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The MantleThe Mantle is the largest layer of the Earth. It makes up the biggest part of Earth’s mass.
Composition: Made of dense, iron-rich minerals (Fe, Mg, Ca, Si, & O)
Temperature: 1000°C
State of matter: Plastic, solid(Flows like tar)
Thickness: 2900 km
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The Mantle:Asthenosphere
• The asthenosphere is the semi-rigid part of the middle mantle that flows like hot asphalt
• The movement of the middle mantle (asthenosphere) is the reason that the crustal plates of the Earth move.
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Convection Currents
The middle mantle "flows" because of convection currents. Convection currents are caused by the very hot material at the deepest part of the mantle rising, then cooling and sinking again --repeating this cycle over and over.
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The Outer CoreThe Outer Core a hot, dense ball of liquid metals.
Composition: Made of Nickel and Iron
Temperature: 3700°C
State of matter: Liquid
Thickness: 5100 Km
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The Inner CoreThe inner core of the Earth has temperatures and pressures so great that the metals are squeezed together and forced to vibrate in place like a solid.
Composition: Made of Iron
Temperature: 4300°C
State of matter: Solid
Thickness: 6378 km
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EQ: What are the names and locations of the main structural layers of the Earth?
Layers of the Earth Notes
12
Starter
Layers of the Earth Notes
9/1/15 9/1/15
Application: Questions
Connection/Exit:
Describe the layers of the Earth to a child younger than yourself. It must be simple but include details.
Practice: Notes
11
• Look at the pie chart. What are the four most abundant elements in order from least amount to greatest amount in the layers of the earth?