INTRODUCTION Plate tectonics The large scale motions of the earth’s lithosphere are describe by a scientific theory called plate tectonics which explains that Earth’s outer layer is made up of plates‚ which have moved throughout Earth’s history. The theory was developed during first decade of 20th century (by a famous advocate Alfred Wegener) on the older concept of continental drift and was accepted by many geoscientific communities. There are currently seven major and many minor plates are present
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Plate Tectonics Ever since the beginning on time‚ Humans believed the ground is solid and immobile. But this is not true whatsoever. The Earth is every-changing and continually in motion. The stability of the Earth is not at all what we think it is. Thinking about the rotational axis of the Earth‚ and possibly of what the Earth may become at a certain point in time‚ has a great influence on understanding all aspects of living things‚ either in the past‚ present‚ or future. The study of Plate
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Plate tectonics (from the Late Latin tectonicus‚ from the Greek: τεκτονικός "pertaining to building")[1] is a scientific theory that describes the large-scale motions of Earth’s lithosphere. The model builds on the concepts of continental drift‚ developed during the first few decades of the 20th century. The geoscientific community accepted the theory after the concepts of seafloor spreading were developed in the late 1950s and early 1960s. The lithosphere is broken up into tectonic plates. On
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Lab: Plate Tectonics Goals of this lab: -to learn about types of Plate Boundaries -to learn about Plate Boundary Interactions -to familiarize yourself with the Plate Tectonic Map of the World -to understand and familiarize yourself with past Plate Movement and the supercontinent Pangea -to understand the Hot Spots of Hawaii and Yellowstone Part 1. Types of Plate Boundaries There are 3 types of plate boundaries and a fourth called a “plate boundary zone” in which the type of plate boundary
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Plate tectonics Intro: The word tectonic represents the meaning of plates and boundaries. As an example of activity is an earthquake‚ which is caused by two plates like the Eurasian and pacific plate pushing towards each other‚ pushing the land upwards causing a mountain as well as an earthquake. The plates are pieces of land that make up the outer crust‚ these could move together‚ move apart or move alongside each other resulting in mountains‚ volcanoes and earthquakes‚ this happens deep
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Plate Tectonics Designed to meet South Carolina Department of Education 2005 Science Academic Standards Table of Contents Plate Tectonics: The Beginning (slides 3 and 4) Layers of the Earth (slides 5 and 6) Standard 8-3.1 What are Tectonic Plates- movement? (slides 7 and 8) Standard 8-3.6 Tectonic Plate boundaries (slides 9-21) 1. Convergent boundary Ocean-continent (slide 10) Continent-continent (slide 11) Oceanic-oceanic (slide 12) Volcanism (slide 13) 2. Divergent boundary Sea-floor
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The Pacific Ring of Fire (see below) Tectonic plates of the world. The Pacific Ring of Fire (or just The Ring of Fire) is an area where a large number of earthquakes and volcanic eruptions occur in the basin of the Pacific Ocean. In a 40‚000 km (25‚000 mi) horseshoe shape‚ it is associated with a nearly continuous series of oceanic trenches‚ volcanic arcs‚ and volcanic belts and plate movements. The Ring of Fire has 452 volcanoes and is home to over 75% of the world’s active and dormant volcanoes
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Features Plate tectonics theory‚ which is the modern theory of the motions of Earth’s layer‚ explains how geological features‚ such as mountain ranges‚ continents‚ and bodies of water move and form. An important aspect of plate tectonics theory is that the outer layer of the earth is divided into plates which move across the earth’s surface. “These plates move relative to each other‚ typically at rates of 2-4 inches per year. As the plates move‚ they interact along their boundaries” (Plate Tectonics)
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The Movement of Plate Tectonics Brandon Womac Plate tectonics have played a major role in the history of the Earth. All seven continents are where they are today due to the movement of plate tectonics. These seven continents were one big supercontinent called “Pangea” about 200 million years ago before breaking apart. The three different types of plate boundaries are convergent‚ divergent‚ and transform. These plate boundaries form due to the earth’s outer shell called the lithosphere having multiple
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Activity No. 2 Simulating Movement of Tectonic Plates Problem: How do tectonic plates move? What you need: -4 pieces of colored modeling clay -cardboard -newspaper What to do: 1.Flatten two pieces of modeling clay on the newspaper. 2.Cut the center of the clay strips and insert a cardboard on the part of the clay that was cut. 3.Push both ends of the clay strips.Observed what is formed. 4.Repeat step one in the other two pieces of modeling clay. 5.Slowly pull both
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