Learning Outcome • Revise Core Book –Chapters 1 – 3 –Plate Tectonics –Earthquakes –Volcanoes –Examine the exam questions on these topics Theory of Plate Tectonics • Earths plates move • Landforms result Tectonic Cycle • Continuous destruction and formation of the earth’s crust at plate boundaries. Theory of Plate Tectonics • Wegener 1912 • Hess – Continental Drif – Sea Floor Spreading Destructive Plate Boundaries • Collision of plates • Subduction • Volcanoes • Eg; Mount Saint Helens • Fold Mountains • Eg; Alps • Earthquakes • Eg; Kobe ...

 

Who are Cambridge Teaching? • About 600 Natural Scientists per year • Mostly 18 years old • Top ~1.5% of the population • Already rather specialized – 4 A- levels • Broadly divided 50:50 between Physical and Biological Sciences Natural Science 4th Year: More 4th Year: More Specialization Specialization 3rd Year: 1 Subject 3rd Year: 1 Subject 2nd Year: 3 Subjects 2nd Year: 3 Subjects 1st Year: 4 Subjects 1st Year: 4 Subjects Why? • Old – First taught in 1849 – everything compulsory • Current form from the 1950’s, • Chemistry colliding with physics + biology &ndash ...