Plate Tectonics and Continental Drift.

Slides:

Advertisements

Similar presentations

Layers of the Earth, Pangaea, and Movement. Planet Earth There are different layers to our planet The simplest way to break it down is into 3 layers:

Advertisements

Plate Tectonics Review

PLATE TECTONICS Chapter 7 – Inside the Restless Earth

PLATE MOVEMENT Ms. Sikes. Bell Ringer In the bucket is a quiz for you to take. You need to put the quiz on a new sheet in your bell ringer folder. When.

Plate Tectonics A Whole Lot of Shakin’ Goin’ On. What are tectonic plates? Tectonic plates are pieces of the crust that move around on top of the mantle.

Plate Tectonics. Plate Tectonics What is Plate Tectonics The Earth’s crust and upper mantle are broken into sections called plates Plates move around.

Chapter 10 Review By Chelsey Roberts. Continental drift: Wegener’s hypothesis A german scientist, Alfred Wegener (1912), came up with the hypothesis of.

1 Plate Tectonics Notes Geology – the study of the Earth and its processes.

Formation of the Earth. Previous Theories  Continental Drift Theory  Developed by Alfred Wegner (1900’s)  Believed continents were once all combined.

EQ: How do lithospheric plates move and how do they affect the Earth’s surface?

Chapter 7 Section 1: Continental Drift Section 2 : Sea Floor Spreading

Obj: What is the Theory of Plate Tectonics? Copy the following questions in your notebook: TABLE 1 (7)- What is a mid ocean ridge? TABLE 2 (8)-What is.

Plate Tectonics.

Our Amazing Planet. Planet Earth Earth’s Layers Crust Earth’s thin outermost layer. – Continental Crust (land) - thick low density rock (granite). –

Plate tectonics.

Plate Tectonics.

Our Amazing Planet.

Chapter 7 Earth Science. Evidence for Continental Drift If you look at a map of Earth’s surface, you can see that the edges of some continents look as.

The Theory of Tectonic Plates

The Earth. Layers of the Earth CRUST MANTLE OUTER CORE INNER CORE.

Is it possible that the continents were actually together sometime in the past? Continental Drift Theory.

Plate Tectonics Spectra of Science Amole Continental Drift Proposed by Alfred Wegener in Supercontinent Pangaea started to break up about.

Theory of Plate Tectonics. Power of Plate Motion Chilean Earthquake Chile Quake Poses Possible Hawaii Tsunami Threat Major Earthquake in Hati 2010.

 Pieces of the lithosphere that move around on top of the asthenosphere are called tectonic plates.  Tectonic plates consist of the crust and the rigid,

Theory of Plate Tectonics. How do we know the plates exist?  Earthquake and Volcano Zones  Ocean floor features (Trenches and Mid-Oceanic ridges)

Plate Tectonics, Continental Drift, Faults and Folds Chapter 7 Sections 1-4.

Plate Tectonics Earth Science. Continental Drift Alfred Wegener proposed the idea of continental drift in Looking at the continents, it is possible.

How Earth’s Plates Move Plate Tectonics. The Lithosphere The plates of the lithosphere fit together like puzzle pieces and float on the asthenosphere.

Plate Tectonics The theory of plate tectonics is based on the theory that plate tectonics explain the formation, movement, and subduction of Earth’s plates.

Plate Tectonics. The Theory of Seafloor Spreading 1.On the ocean floor there are areas where the seafloor is getting bigger. 2.Researchers used sound.

Ch. 6 Plate Tectonics.

Continental Drift &Plate Tectonics Whitney Isbell for use with my 8 th Grade Science Class 2013

Continental Drift and Plate tectonics

Plate Tectonics 8 th Grade Science. Earth’s Composition.

Continental Drift Alfred Wegener developed the idea of continental driftAlfred Wegener developed the idea of continental drift Continental drift is the.

Theory of Plate Tectonics. Plate Tectonics Is theory that states that pieces of the Earth’s crust are in constant, slow motion. This motion is caused.

1 6.2 The Theory of Plate Tectonics. 2 How is water in a pot that is held over a flame become heated throughout, even though the flame touches only the.

Africa The Red Sea between Africa and the Arabian peninsula in Asia marks a region where two pieces of the lithosphere are slowly moving apart. Over the.

Plate Boundaries. Plate Tectonics ▪ Plate Tectonics – the theory that the Earth’s lithosphere is divided into tectonic plates that move around on top.

Plate Tectonics.

The Theory of Plate Tectonics:. The Lithosphere is broken into separate sections called plates. The plates fit together along cracks in the lithosphere.

 Alfred Wegener – developed the Continental Drift hypothesis  The continents were once joined as one single “supercontinent”  Pangea was the name given.

Plate Tectonics. Theory of Continental Drift The theory that continents drifted across the ocean to get their current spots on the globe. First suggested.

Plate Tectonics. Outline  Pangaea  Continental Drift  Mid-ocean ridges and seafloor spreading  Magnetic patterns on the seafloor  Plate tectonics:

11/18/15.  Earth’s lithosphere is divided into tectonic plates that move on top of asthenosphere  Theory of plate tectonics explains: Continental drift.

Plate Tectonics. A Guide to Taking Cornell Notes Left side is smaller than the right side Red words go on the left (vocab words) Black words go on the.

 Continental Drift: Theory that states that the continents have drifted from one location to another over time  Wegener’s support to his hypothesis:

The Theory of Plate Tectonics and Continental Drift Write down the underlined items for your notes. Feel free to put the material in your own words.

Theory of Plate Tectonics. How do we know the plates exist?  Earthquake and Volcano Zones  Ocean floor features (Trenches and Mid-Oceanic ridges)

Plate Tectonics 8 th Grade Science. Earth’s Composition.

What is tectonics? Tectonics is the study of the movement of the Earth’s crust. The slow movement of the mantle moves the crust which sits on top of.

A. The theory that pieces of the Earth’s lithosphere, called plates, move slowly on top of the asthenosphere B. Explains the formation and movement of.

Plate Tectonics Ocean Floor Earth Layers Potpourri

Plate Tectonics A Whole Lot of Shakin’ Goin’ On. Layers of the Earth - Review Crust Mantle Outer core Inner core

Science Do Now Silently & Independently, fill in the “What We Already Know” section on the top of the paper on your desk. Take out your “6-4 What is Plate.

Topic: Plate Tectonics PSSA: A / S8.D.1.1. Objective: TLW describe the three different types of tectonic plate boundaries. TLW explain how tectonic.

The Theory of Tectonic Plates

The Theory of Plate Tectonics

Land Unit: Plate Tectonics

Plate Tectonics Theory that the outer rigid layer of the earth (the lithosphere) is divided into a couple of dozen "plates" that move around across the.

Plate Tectonics 8th Grade Science.

Land Unit: Plate Tectonics

Plate Tectonics The theory that explains how large pieces of the Earth’s outermost layer, called tectonic plates, move and change shape.

Discovery Education Assignment Review

On a separate sheet of paper:

Land Unit: Plate Tectonics

Chapter 9 Plate Tectonics.

Theory of Plate Tectonics

Let’s review…. The earth lithosphere is broken into sections called tectonic plates. These plates float around on the asthenosphere. The magma in the.

Sci. 4-3 The Theory of Plate Tectonics Pages

Presentation transcript:

Plate Tectonics and Continental Drift

Continental Drift A theory from Alfred Wegener States that continents can drift apart from one another and have done so in the past

Continental Drift This helps to support Pangea Pangea was a landmass of all continents together Pangea means “all earth”

Continental Drift Evidence of Continental Drift Continents seem to fit together Fossils of same plants and animals are found on both sides of the Atlantic Ocean

Seafloor Spreading Many years later the thought of seafloor spreading was introduced. Seafloor spreading is the process where new oceanic lithosphere is created as materials are pulled away. As plates move apart, the seafloor spreads apart and magma rises to fill in the gap.

Seafloor Spreading Mid-ocean ridges occur at areas of seafloor spreading Mid-ocean ridges are underwater mountain chains The Mid-Atlantic Ridge is the largest mountain chain in the world.

Plate Tectonics Plate tectonics is the theory that Earth’s lithosphere is divided into plates that move around on top of the asthenosphere.

What makes them move??? 3 Possible forces: Ridge Push Convection Slab Pull

Plate Boundaries Plates can move 3 different ways. Collide, separate, or slide past one another

Plate Boundaries When two plates meet and they push into one another it is called a convergent boundary. Results in mountains and volcanos

Plate Boundary Areas where oceanic plates sink down into the asthenosphere is called a subduction zone.

Plate Boundary When two plates move away from one another we call it a divergent boundary. Results in volcanos and seafloor spreading

Plate Boundary When two plates slide past one another the boundary is called a transform boundary. Results in a lot of earthquakes!

Movement of Plates Plates move so slow you can’t feel or see them. Centimeters per year! Motion is monitored through GPS systems.

EXIT SLIP Describe continental drift theory. What are the 2 main pieces of evidence for continental drift? Name the 3 types of plate boundaries. Describe the movement at each plate boundary and what results from each .