the earth is made up of different spheres and layers... why are there layers? what are their names?...
TRANSCRIPT
![Page 1: The Earth is made up of different spheres and layers... Why are there layers? What are their names? What are the names of the different spheres? List anything](https://reader036.vdocuments.mx/reader036/viewer/2022062722/56649f2b5503460f94c46ba3/html5/thumbnails/1.jpg)
The Earth is made up of different spheres and layers...
Why are there layers? What are their names?
What are the names of the different spheres?
List anything else that you might know about the Earth’s spheres and layers.
Warm-Up Questions
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4 major spheres1. Hydrosphere
The water portion of the Earth Ex: oceans, rivers, lakes, streams, glaciers,
etc.
2. Atmosphere Gaseous portion of a planet Earth’s pocket of air
Earth’s Spheres
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4 major spheres1. Hydrosphere2. Atmosphere
3. Geosphere Layer of the Earth found beneath the
atmosphere and the oceans. Consists of 3 main layers
4. Biosphere Consists of all life on Earth The parts of the 3 other spheres where
life exists
Earth’s Spheres
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1. How do the hydro-, geo-, and atmospheres affect the biosphere?
2. How do members of the biosphere affect the geosphere?
3. How do members of the biosphere affect the hydro- and atmosphere?
4. Which of the 4 major spheres do you believe has the most influence on the others?
Earth’s Spheres Questions
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Geosphere Layers
1.
2.
3.
Why does the Earth have layers?
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1. Crust – thin rocky outer layer of the EarthContinental crustOceanic crust
2. Mantle – thick middle layer of hot but solid rockLithosphere – includes upper mantle and crustAsthenosphere – soft weak rock below Lithosphere
that can flow like taffyMesosphere – stiff rock below asthenosphere, right
above the…
3. Core – large sphere of metal that occupies the Earth’s centerOuter – liquid due to high temperature Inner – solid due to high pressure
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Which part of Earth’s interior takes up the greatest volume?
Which region takes up the smallest volume?
Where is continental crust the thickest?
Questions
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What happens to temperature as you move from the crust towards the core?
What happens to pressure as you move from the crust towards the core?
Why does the Earth have layers that have formed?
Questions
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Draw a picture of the Earth that includes its 4 major spheres and 3 main layers. Include a description of the 4 major spheres Include the 3 layers of the mantle, as well as, the
inner and outer coreLabel:
The width of the major layersA description of each layerMake note of what happens to Temperature and Pressure
as you move from the outer layers inward.Use colored pencils or crayons to color the layers
different colorsMAKE SURE picture is drawn to scale!!!
You will be using this to help you study, so make sure you write neatly.
Earth’s Layers Activity
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In the movie Journey to the Center of the Earth, the people find a tropical paradise with sea monsters and dinosaurs at the center of the earth. What is the center layer of the earth known as? Explain why a tropical paradise like this cannot be found as was shown in the movie.
Exit Slip
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Name all the layers of the earth. Start with the outermost and work your way in.
Which part of the core (outer or inner) is liquid and which is solid? Why is one liquid and one solid?
Warm-Up Questions
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Draw a picture of the Earth that includes the 3 main layers. Include the 3 layers of the mantle, as well as, the inner and
outer coreLabel:
The width of the major layersA description of each layer (what type of rock they are made up
of, liquid, solid, hot, flow, etc.)Make note of what happens to Temperature and Pressure as you
move from the outer layers inward.Use colored pencils or crayons to color the layers different
colors
You will be using this to help you study, so make sure you write neatly.
Earth’s Layers Activity