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Inside the Earth
Composition (What it is made of) Crust Mantle Core
The Crust Outer layer km thick 2 types of crust –O–Oceanic (very dense, made of basalt) –C–Continental (less dense, made of granite)
Oceanic and Continental Crust
The Mantle Middle layer Very thick layer
The Core Made mostly of iron 1/3 of the earth’s mass Very hot
Earth’s Layers How are the earth’s layers similar to an egg? Shell=crust Egg white=mantle Yolk=core
Physical Structure of the Earth (5 Layers) Lithosphere- rigid outer layer (crust) Asthenosphere- solid rock that flows slowly (like hot asphalt) Mesosphere- middle layer Outer Core- liquid layer Inner Core- solid, very dense
Tectonic Plates Earth’s crust is broken into about 19 pieces These plates move on top of the asthenosphere
Inner Core – the dense, solid center of the earth, formed mostly of iron and nickel Outer core – the liquid layer of the earth’s core that surrounds.
1.Which branch of Earth Science would study earthquakes? 2.Which branch of Earth Science would study hurricanes? 3.Which branch of Earth Science would.
What are the three Chemical layers of the Earth? Crust, mantle, core Each of these 3 layers is COMPOSED of same types of CHEMICALS Crust- Silica, Oxygen.
Earth’s Interior. The Geosphere: the solid Earth – 3 Main Layers Crust Mantle Core.
Structure of the Earth. Earth’s Compositional Layers.
BIG QUESTIONS How do Geologists Learn about Earths interior?? What are the features of Earths Crust, Mantle, and Core??
The Earths crust (top layer) is not a solid shell. It is made up of thick, connecting pieces called tectonic plates. These fit together like a puzzle.
The Earth’s Interior Glencoe Ch Pages
Earth’s Layers Pages C6-11. Earth’s Layers Crust-where we walk Crust-where we walk Mantle-thickest layer, made mostly of solid rock Mantle-thickest layer,
Layers of the Earth Kim Lachler 2010 NCES 6.E.1.3.
Earth’s Layered Structure Section 8.4. Earth’s layered structure Most knowledge of the interior of the Earth comes from the study of earthquake waves.
Theory of Plate Tectonics Plate Tectonics Plate Boundaries Causes of Plate Tectonics.
Plate Tectonics. Brief Structure of the Earth Divided into layers: –Core, mantle, crust.
Changes to Earth’s Surface Chapter 6. Prior Knowledge What are the layers of the Earth? What are the layers of the Earth? What causes Earth’s surface.
UNIT 4 THE RESTLESS EARTH PART I LESSONS 1, 2, & 3 The Big Idea: The movement of tectonic plates accounts for important features of Earth’s surface and.
Starter – folder Powerpoint Do starters 1 & 3 with class.
EQ – Nov 2 List the Earth’s layers (starting in the center) and describe each.
Earths interior layers. The major layers of the Earth consist of the crust, mantle, outer core and inner core.
What Are Earths Layers Unit D, Chapter 1, Lesson 1, pD6-11.
Plate Tectonics What evidence do scientists have to support the fact that the Earths crust is continuously moving?
How Do Natural Forces Change & Shape Our Planet?.
The Structure of the Earth and Plate Tectonics. Structure of the Earth The Earth is made up of 3 main layers: –Core –Mantle –Crust Inner core Outer core.
Plate Tectonics Liz LaRosa for use with my 5 th Grade Science Class 2009
ROCKS Are classified according to the environment in which they _________ form.
A LPINE TUNDRA E ARTH FORMATIONS. MAPS LOOK AT THE WORLD MAPS LABEL THE 7 CONTINENTS LABEL THE 3 MAJOR OCEANS.
Some questions we will answer today: –How is the earth always changing? –What forces inside the earth create and change landforms on the surface? –What.
1 How many layers of the Earth are there? The part of the Earth that consists of molten metal.
Do Now # 4 What is the difference between convergent, divergent, and transform boundaries?
Earths Crust Convection currents Continental drift – idea that continents have moved slowly to their current positions due to convection currents in.
Chapter 9 and 10 The interior of the earth and its surface.
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