C1

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  • C1
    • THE STRUCTURE OF THE EARTH
      • mutual core - björk
      • crust
      • mantle
      • core
      • tectonic plates
        • sudden movement causes earthquakes
        • wegner's theory of continental drift
          • continents slot together like jigsaw
          • similar fossils on each side of the atlantic
          • matching layers in the rocks
          • wasn't widely accepted at first
            • scientists thought it was impossible with the forces being too strong
            • he used inaccurate data
            • he wasn't a geologist
    • EMULSIONS
      • oil and water
        • don't mix
        • can mix with an emulsifier
          • hydrophilic tail for water molecules
          • hydrophobic head for oil molecules
    • PLANT OILS
      • unsaturated
        • healthy
        • double  carbon bonds
        • can be hydrogenated
      • food, cooking, cosmetics, fuels
      • crushed and pressed to get the oil
    • ALKENES
      • makes polymers
        • small monomers joined to make one long molecule
      • double carbon bond C=C
    • CRUDE OIL
      • cracking
        • splittingup long hydrocarbons
        • passing vapour over a hot catalyst
    • CRUDE OIL
      • mostly alkanes
        • CnH2n+2
        • shorter = more viscous
        • hydrocarbons
      • used as fuel
        • will eventually run out
        • cause environmental problems
          • releases gases
          • causes acid rain
          • climate change
          • global dimming
      • fractional distillation
        • heated and tapped off at different temperatures for different uses
      • mixture of hydrocarbons
    • ALLOYS
      • pure metal not strong because it's in layers - can slide around
      • more than one metal = stronger
        • disrupts pattern so harder to slide layers
    • EXTRACTING METALS
      • ores
      • reduction
        • using carbon
        • can be extracted with reduction if not very reactive
        • carbon takes away oxygen
      • electrolysis
        • used for more reactivemetals
        • splittingup with electricity
    • LIMESTONE
      • calcium carbonate
        • CaCO3
      • limestone cycle
        • calcium carbonate -> calcium oxide -> calcium hydroxide -> calcium hydroxide solution-> calciumcarbonate
      • quarrying
        • scars landscape
        • pollution
        • creates jobs
        • creates local economy
    • summary
    • PERIODIC TABLE
      • periodic table grime song

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