'Continental plates collide' presentation slideshows

Plate Tectonics & The Ocean Floor

Plate Tectonics & The Ocean Floor. Oceanic Crust Composed of basalt Crust beneath oceans Younger crust More dense ~ 3 g/cm 3. Continental Crust Composed of granite Crust beneath continents Older crust Less dense ~ 2.7 g/cm 3. Recall: Structure of the Earth.

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Chapter 7: Plate Tectonics Jeopardy

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P1 The Earth in the Universe

P1 The Earth in the Universe. Key Facts. The universe is 14,000 million years old The universe possibly started with a big bang and has been expanding ever since Our Solar system formed 5,000 million years ago from dust and gas of old stars

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Planet Earth Practice word

Planet Earth Practice word. Grade:. 7. Planet Earth. Subject:. April. Date:. 1. What type of fossils form when bones harden into a rock-like substance?. A. moulds. B. casts. C. trace fossils. D. petrified fossils. 2.

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4.5 The Theory of Plate Tectonics

4.5 The Theory of Plate Tectonics. Objectives. Explain the theory of plate tectonics Describe the three types of plate boundaries. . Engage/Explore . What is a plate? Think of other contexts in which the word is used. Metal plates that cover machinery Home plate in baseball,

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Reading Material

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Plate Tectonics

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Internal Forces of Change

Internal Forces of Change. Types of Boundaries. Convergent Come together Divergent Pull apart Transform Slide past each other. http://www.cotf.edu/ete/modules/msese/earthsysflr/plates1.html. http://www.wwnorton.com/college/geo/egeo/animations/ch2.htm#9. Convergent Boundaries. Subduction

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4.5 The Theory of Plate Tectonics

4.5 The Theory of Plate Tectonics. Objectives. Explain the theory of plate tectonics Describe the three types of plate boundaries. Engage/Explore. What is a plate? Think of other contexts in which the word is used. Metal plates that cover machinery Home plate in baseball,

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Chapter 9: Plate Tectonics Review

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The Theory of Plate Tectonics

The Theory of Plate Tectonics. Tectonic Plates are pieces of lithosphere that move around on the Athenosphere. Plates range in size. Some plates contain both continental and oceanic crust. Plates link like a puzzle. Tectonic Plates. A Plate Boundary is the place where two plates meet.

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Chapter 2 Notes

Chapter 2 Notes. Earth consist of three layers- (Crust- Mantle- Core)--crust contain ocean floors Magma is melted rock that flows from the outer core to the surface and then it becomes Lava when it reaches the surface. Earth is constantly changing because of plate tectonics. Chapter 2 notes.

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Plate Tectonics

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