Layers of the Earth. The Earth’s Interior Most scientists agree that soon after Earth’s formation, Earth was a large ball of molten (melted) rock. As.

Slides:

Advertisements

Similar presentations

Inside the Earth.

Advertisements

Inside the Earth Chapter 16 What are we walking on?

Inside the Earth. The Composition of Earth The Earth is divided into three layers… The crust, mantle, and the core based on what each one is made up of.

Earth’s Interior C hapter 1 Section 1. Guide for Reading What does a Geologist do? What are the characteristics of Earth’s crust, mantle, and core?

The Earth’s Layers Layers. Students will … illustrate the structural layers of Earth, including the inner core, outer core, mantle, crust, asthenosphere,

The Earth’s Layers Layers. Students will … illustrate the structural layers of Earth, including the inner core, outer core, mantle, crust, asthenosphere,

Unit 1, Section 3 1.  What are the layers of the Earth?  How do Earth’s internal forces change its surface? 2.

Layers of the Earth. Composition (What it is made of) Inner Core Outer Core Mantle Crust.

Inside the Earth. Composition (What it is made of) Crust Mantle Core.

Inside the Earth.

Journey to the Center of Earth

Inside the Earth. Chemical Composition (What it is made of) Crust Mantle Core.

Earth on the Move Earth Structure & Plate Tectonics Notes.

Inside the Earth Layers that Make Up the Earth. Composition (What it is made of) Crust Mantle Core.

Ch5 Sec1 Earth’s Interior. Key Concepts How have geologists learned about Earth’s inner structure? What are the characteristics of Earth’s crust, mantle,

Earth Layers TEKS Focus:

LAYERS OF THE EARTH.  Categorized by composition and physical properties  3 layers  Crust  Mantle  Core LAYERS OF THE EARTH.

Plate Tectonics.

The Four Layers The Earth is composed of four different layers. The crust is the layer that you live on, and it is the most widely studied and understood.

Inside the Earth Planet Earth All objects on or near Earth are pulled toward Earth’s center by gravity. Earth formed as gravity pulled small particles.

Earth’s Interior. Scientists believe the Earth formed 4.6 billion years ago. When it first formed, it was a spinning mass of rocks and dust that was loosely.

Inside the Earth. Composition (What it is made of) Crust Mantle Core.

How the Layers Formed As earth formed, it was made of hot molten magma and intense gravity. As rocks melted, denser materials sank to the center of the.

The Layers of the Earth!.

EARTH’S INTERIOR. Earth’s Interior Geologists have used two main types of evidence to learn about Earth’s interior: –Direct evidence from rock samples.

Inside the Earth The Geosphere.

Layers of the Earth. The Earth’s Interior Most scientists agree that soon after Earth’s formation, Earth was a large ball of molten (melted) rock. As.

Inside the Earth. Composition (What it is made of) Crust Mantle Core Inner Outer.

Fill in your calendar then take 2 pieces of colored paper DO NOT WRITE ON THEM YET!

Ch. 7.1: Inside the Earth. Earth’s layers The Earth is divided into three layers 1.) Crust 2.) Mantle 3.) Core Crust and Mantle are made of less dense.

The Structure of the Earth

Could you watch an island grow? The islands of Hawaii.

Explored through mines and wells Temperature and pressure increases with depth Earthquake (Seismic) Waves scientists are able to tell the density and.

The Layers of the Earth © Copyright M. J. Krech. All rights reserved.

Journey to the Center of Earth

The Structure of the Earth

Layers of the Earth Geology – study of planet Earth

The Layers of the Earth.

The Earth’s Layers Scientists have spent many years determining what is inside the earth. Geologists can’t use x-rays to see inside the earth or.

A look inside the planet Earth

The Earth’s Layers Scientists have spent many years determining what is inside the earth. Geologists can’t use x-rays to see inside the earth or.

Plate Tectonics.

Layers of Earth.

Earth’s Interior and Plate Tectonics

Inside the Earth.

Earth’s Structure.

Layers of the Earth Geosphere.

Earth’s Interior.

Inside the Earth.

Inside the Earth.

Marine Science Unit 3: Geological Oceanography

Inside the Earth.

EARTH’S COMPOSITION.

Earth’s Interior.

Earth’s Interior Crust – layer of solid rock that includes both dry land and the ocean floor Mantle – made up of rock that is very hot, but solid; nearly.

The Earth’s Layers Scientists have spent many years determining what is inside the earth. Geologists can’t use x-rays to see inside the earth or.

Inside the Earth.

Earth Structure Notes.

The Composition of the Earth

Inside the Earth.

INSIDE EARTH CHAPTER 1: PLATE TECTONICS

The Structure of the Earth

Claremont High School Physical Science

Inside the Earth What are we walking on?.

Earth’s Layers S6E5.a. Compare and contrast the Earth’s crust, mantle, and core including temperature, density, and composition.

Layers of the Earth.

Essential Question: How are the Earth’s layers divided?

EARTH’S COMPOSITION.

Inside the Earth.

Inside the Earth.

Presentation transcript:

Layers of the Earth

The Earth’s Interior Most scientists agree that soon after Earth’s formation, Earth was a large ball of molten (melted) rock. As time passed, the molten materials cooled, hardened, and separated into layers.

Composition (What it is made of) Crust Mantle Core

The Crust Thin, outer layer that covers the planet 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 (2900 km thick) Made of silicon, oxygen, iron, magnesium - solid that has the ability to flow = plasticity

The Core Central part of the planet Made of iron and nickel 1/3 of the earth’s mass Very hot - inner core = solid - outer core = liquid

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

Do scientists travel to the inside of Earth to learn about the layers? High temperatures and tremendous pressure in the Earth’s interior would make traveling there and remaining alive impossible. Even the deepest oil wells are only a few kilometers deep, and the diameter of the Earth is 12,756 km.

So, how do we know about the layers? The study of behaviors of seismic waves has allowed geologists to piece together information about the parts of Earth that man has never seen directly. When earthquakes occur, vibrations are sent out through the Earth. These vibrations are called seismic waves.

Seismic Waves Seismic waves can travel along the surface of the Earth or through its interior. The waves speed up, slow down, or stop depending on the type of material (medium) that they are passing through. For example: S-waves are a type of seismic wave that can't go through liquid. Therefore, scientists know that the part of the Earth that S-waves can't penetrate is made up of liquid.