Tectonic Plates


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Tectonic Plates

  1. 1. <ul><li>In this presentation, I will talk to you about : </li></ul><ul><li>What are Tectonic plates? </li></ul><ul><li>Movement of Tectonic plates </li></ul><ul><li>Examples of movement of Tectonic plates </li></ul>Tectonic Plates
  2. 2. <ul><li>The Earth’s surface is made up of large plates. These plates are known as the Tectonic plates. </li></ul><ul><li>The tectonic plates do not stay fixed at one position but instead they are in constant movement. </li></ul>What are Tectonic plates?
  3. 3. <ul><li>As I have mentioned before, Tectonic plates have the ability to move. But they do so only by few centimeters each year. They can move due to convention currents. </li></ul><ul><li>We can say that the Tectonic plates move because if you look at a map of the world carefully, you will notice that each continent can fit together nicely. The land mass was then called a Pangea. </li></ul>Movement of Tectonic plates
  4. 4. The Pangea
  5. 5. <ul><li>The idea of Tectonic plates moving together or apart is known as a Continental drift. </li></ul><ul><li>This theory was first being invented by a German scientist called Alfred Wenger. </li></ul>The Continental Drift
  6. 6. The different Tectonic plates
  7. 7. <ul><li>When two Tectonic plates come together, they are actually being pushed against each other. </li></ul><ul><li>When this happens, the boundaries of each plate move upwards as it has no where else to move. This action causes a mountain range to form. </li></ul>What happens when Tectonic plates move together
  8. 8. <ul><li>When a Tectonic plate moves apart from another one, water starts to collect in between the two plates. </li></ul><ul><li>As the water starts collecting, an ocean is actually being formed. </li></ul><ul><li>We can say that the two plates are diverging . </li></ul>What happens when a Tectonic plate move apart
  9. 9. <ul><li>Long time ago, India was not connected to Asia, but was on its on. </li></ul><ul><li>Then, one day the plate started moving little by little towards Asia until one day, it crashed into Asia. </li></ul><ul><li>This connection caused the boundaries of each plate to hit and move upwards, which caused the formation of the Himalayas. </li></ul>Example of Tectonic plates moving together
  10. 10. <ul><li>An example were two plates moved apart was when the Atlantic ocean was created. Two tectonic plates had moved apart. This lead to formation of water in between the two plates. </li></ul><ul><li>As the two plates moved further apart, more and more water was accumulated in between. </li></ul>Examples of Tectonic plates moving apart
  11. 11. <ul><li>Tectonic movement can cause serious catastrophes. It can result in Volcanic eruption, Tsunamis and finally earthquakes. </li></ul><ul><li>A volcanic eruption is caused when two Tectonic plates move apart . An earthquake is formed when two plates hit together and finally, a Tsunami is formed when an earthquake has taken place. </li></ul>Disadvantages of movement of Tectonic Plates
  12. 12. Example of a recent Tectonic movement <ul><li>A recent case of movement of Tectonic plates was in 2004. The Eurasian plate had moved, causing an Earthquake at Sumatra. </li></ul><ul><li>And this did not stop there. The Earthquake had formed gigantic waves, called Tsunami . The tsunami did a lot of damage to most of the countries of the Asian coast, especially India, Sri Lanka, Indonesia and Thailand. </li></ul>Tsunami
  13. 13. <ul><li>I will conclude by saying that Tectonic Plates play an important part in the development of our planet cause it may cause a lot of damage if it moves. </li></ul>My Conclusion
  14. 14. THE END