physics revision topics

mind map to show topics needed to revise for year 9 end of year tests

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  • energy and using electricity
    • PHYSICS
      • making electricity now and in the future
        • renewable
          • solar
          • hydroelectric
          • wind
          • geothermal
          • tidal
          • wave
        • unrenewable
          • coal
          • oil
          • nuclear
          • gas
      • waves properties & electromagnetic sprectrum
        • transverse/longititudal
        • radio, micro, IF, visible, UV, X ray, gamma
          • in order of low energy to high energy
      • transfer of energy through heating process
        • types:
          • convection
          • conduction
          • radiation
          • evaporatio& condensation
        • thermal radiation
        • specific heat capacity
          • the amount of energy required to change the temp. of 1 kilogram of material by 1 degree celsiius
        • house insulation
    • types of energy
      • chemical potential
      • elastic potential
      • kinetic
      • electical
      • light
      • sound
      • thermal
      • gravitational potential energy (GPE)
      • nuclear?
    • whenever energy is transferred there is waste! (nothing is 100% efficient)
    • efficiency= amount of useful energy out                 ---------------amount of total energy in
      • if you want to find  the percentage just times the equation by 100
    • power station & national grid

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