Gepgraphy M1 Introducing Plate Tectonics

Geography Module #: 1 Unit #: 1

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The word ‘tectonics’ means to build.

The theory of plate tectonics speaks to the movement of the earth’s crust or lithosphere.

The word ‘tectonics’ means to build.

The theory of plate tectonics speaks to the movement of the earth’s crust or lithosphere.

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INTRODUCTION

INTRODUCTION

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This is the theory which accounts for the occurrence of Earth’s surface and major geological events such as earthquakes and volcanic eruptions, as well as the formation of fold mountains, volcanic island arcs, ocean trenches, ridges and rift valleys.

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INTRODUCTION

INTRODUCTION

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Outline the main principles of the theory of plate tectonics

Describe the processes responsible for plate movement and for plate tectonics

Analyze and interpret diagrams illustrating how plates are moved by convection currents

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The Theory of Plate Tectonics theory is related to the movement of Earth’s lithosphere.

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THEORY OF PLATE

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THEORY OF PLATE

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THEORY OF PLATE

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The theory also states that the lithosphere is broken into large slabs called PLATES

Plates carry the oceans and continents on top of them.

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The earth can be compared to a cracked egg. Click here to see diagrams.

PLATESPLATES

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Study the plates on the map and then click the next button to read instructions for an activity on plates.

There are about 7 major plates and 7 minor ones.The line separating one plate from another is called the plate boundary or marginSome plates have mainly ocean crust while some have mainly continent crust. Some plates have both.

Click globe to study the plates on the map.

There are about 7 major plates and 7 minor ones.The line separating one plate from another is called the plate boundary or marginSome plates have mainly ocean crust while some have mainly continent crust. Some plates have both.

Click globe to study the plates on the map.

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THEORY OF PLATE

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INSTRUCTIONS FOR ACTIVITY 11.There are five questions . Read each one

and then type your response in the box below the question.

2.Remember that you need to be in Slide Show view to type and edit your response.

3. If you need to see the map, click on the globe:

4.Click the CHECK button for feedback.

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CHECK

CHECK

THEORY OF PLATE

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QUESTION 1. QUESTION 1. Which plate lies between the North American and South American plates?

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CHECK

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The Caribbean Plate

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QUESTION 2. QUESTION 2. Name 2 of the minor plates found immediately east of the Pacific Plate.

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CHECK

CHECKNazca Plate, Juan de

Fuca Plate or Cocos Plate

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QUESTION 3 QUESTION 3 On which plate would we find Canada?

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CHECK

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North American

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QUESTION 4QUESTION 4Name the 4 major plates of which the Atlantic Ocean is a part.

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CHECK

CHECKNorth American,

South American, African and Eurasian

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QUESTION 5QUESTION 5Which of the following would you classify as an oceanic plate: Antarctic or Pacific?

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Pacific Plate

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1. Which plate lies between the North American and South American plates? Caribbean Plate

2. Name 2 of the minor plates found immediately east of the Pacific Plate. Nazca Plate, Juan de Fuca Plate or Cocos Plate

3. On which plate would we find Canada? North American

4. Name the 4 major plates of which the Atlantic Ocean is a part. North American, South American, African and Eurasian

5. Which of the following would classify as an oceanic plate: Antarctic or Pacific? Pacific Plate

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Look at the diagram. What is a convection current? What is the difference seen in the 3 ways in which heat may be transferred? Try to answer these questions and then click the check button for feedback.

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CHECK

CHECK

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Can you explain what is happening in the illustrations above?

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Look at the illustrations A and B.

BA

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CHECK

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Heat from the core causes solid mantle rock

in the lower mantle to rise slowly toward the top

The rock eventually cools and sinks back

through the mantle

The rock eventually cools and sinks back

through the mantle

A cycle of rising and sinking causes the plates on top of the mantle to eventually move

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Respond TRUE or FALSE to the following statements.

1. The mantle is the only layer of the earth in which convection currents are formed

2. Convection currents can also be found in the atmosphere

3. The rising and sinking of mantle rocks due to convection currents is a slow process

4. Heat transfer by convection takes place when objects come in direct contact with each other.

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TRUE

FALSE

FALSE

TRUE

FALSE

TRUE

TRUE

FALSE

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Are you ready to test yourself? 1.There are five multiple choice items that you are required to do. 2.For each item, click on the letter of the correct response and then click the button ‘NEXT QUESTION’ to continue.3.Click the green button to begin.

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BEGIN QUIZ!BEGIN QUIZ!

QUIZQUIZ

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What is the earth’s lithosphere?

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A. The earth’s crust A. The earth’s crust

B. The earth’s upper mantleB. The earth’s upper mantle

C. The earth’s coreC. The earth’s core

D. The earth’s crust and uppermost part of the mantleD. The earth’s crust and uppermost part of the mantle

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What is the earth’s lithosphere?

NEXT NEXT QUESTIONQUESTION

NEXT NEXT QUESTIONQUESTION

The lithosphere is the earth’s rigid outer layer. It is made up of both the crust and the cold solid uppermost layer of the mantle. The lithosphere floats on the Asthenosphere which is the hot plastic layer of the upper mantle

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What are plates?

A. Large rocks on the earth’s surface A. Large rocks on the earth’s surface

D. Large landmasses on the earth D. Large landmasses on the earth

C. The continents and ocean floor C. The continents and ocean floor

B. Large slabs of the lithosphere broken into sectionsB. Large slabs of the lithosphere broken into sections

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What are plates?

NEXT NEXT QUESTIONQUESTION

NEXT NEXT QUESTIONQUESTION

Plates are the large or small sections of the earth’s lithosphere which has developed large cracks. The plates are what carry the oceans and the continents.

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Which of the following is not true about convection currents?

A. They occur in both the mantle and the core.A. They occur in both the mantle and the core.

D. They take place in cycle due to rising of hot material and the sinking of cooled materials.D. They take place in cycle due to rising of hot material and the sinking of cooled materials.

B. They cause heat to be transferred in both liquids and gases.B. They cause heat to be transferred in both liquids and gases.

C. They occur only inside the earth.C. They occur only inside the earth.

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Which of the following is not true about convection currents?

NEXT NEXT QUESTIONQUESTION

NEXT NEXT QUESTIONQUESTION

Convection currents transfer heat through fluids (both liquids and gases). They are found in the atmosphere as well as in pots whenever we cook (boil), and they occur in both the mantle and the core of the earth. Transfer of heat takes place when heated materials rise and the sinks when it is cooled. This causes convection cells to develop in the mantle.

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On which of the following plates would we find China?

A. Indo-AustralianA. Indo-Australian

D. PhillipineD. Phillipine

C. PacificC. Pacific

B. EurasianB. Eurasian

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On which of the following plates would we find China?

NEXT NEXT QUESTIONQUESTION

NEXT NEXT QUESTIONQUESTION

China is found on the Eurasian plate, one the major tectonic plates. This plate carries the entire Asian and European continents and extends out beneath the Atlantic Ocean

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Which of the following would the theory of Plate Tectonics have little or no relation to?

B. Earth’s structure B. Earth’s structure

D. Size and shape of the continents D. Size and shape of the continents

C. Mountain building C. Mountain building

A. Hurricanes A. Hurricanes

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Which of the following would the theory of Plate Tectonics have little or no relation to?

The word tectonics means to ‘build’ but speaks specifically to the build up of Earth’s surface. Hurricanes have to do with atmospheric conditions which are not directly related to the earth and its structure.

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You have reached the end of the quiz.

If you wish to review this lesson, click Introduction.

If you have finished viewing the lesson, click the Close (X) button.

You have reached the end of the quiz.

If you wish to review this lesson, click Introduction.

If you have finished viewing the lesson, click the Close (X) button.

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Jenner, J et. al. (2008). Focus on Earth Science. NJ: Prentice Hall

Images retrieved from: http://www.classroomatsea.net/carlsberg/

science/tectonics_intro.html http://dreamtigers.wordpress.com/

2011/05/11/plate-tectonic-metaphor-illustrations-cmu/

http://nees.org/resources/3936 http://www.claseshistoria.com/bilingue/1eso/

relief/relief-lithosphere.html34