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1.4 seafloor spreading

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evidence for continental drift and seafloor spreading

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1.4 seafloor spreading

  1. 1. 19 October 2010<br />1.4 Seafloor spreading<br />A small minority of people believe the Earth to be thousands of years old rather than thousands of millions of years old. What evidence is there that they are wrong?<br />
  2. 2. Aims<br />Show how new data led to the acceptance of the idea of seafloor spreading<br />
  3. 3. Videoclip<br />See www.mrrayner.wikispaces.com<br />
  4. 4. To do:<br />Read the double page spread on pg 16-17<br />
  5. 5. Seafloor spreading<br />
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  11. 11. Seafloor spreading<br />More video clips<br />
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  14. 14. Alright treacle<br />

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