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AQA Physics [P1] Part 2

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GCSE Physics Mindmap am AQA Physics [P1] Part 2, erstellt von ryancharman98 am 11/10/2014.
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Mindmap von ryancharman98, aktualisiert more than 1 year ago
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Erstellt von ryancharman98 vor etwa 10 Jahre
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Zusammenfassung der Ressource

AQA Physics [P1] Part 2
  1. Generating electricity
    1. Renewable
      1. Biofuels
        1. Hydroelectric
          1. Causes flooding
          2. Solar power
            1. Produces a small amount of electricity
            2. Tidal power
              1. Affects local ecology
              2. Wind turbine
                1. Requires land
                2. Geothermal
                  1. Expensive
                3. Non-renewable
                  1. Fossil fuels
                    1. Coal
                      1. Oil
                        1. Gas
                          1. Release carbon dioxide and sulphur dioxide
                          2. Nuclear
                            1. Uranium
                              1. Plutonium
                                1. Nuclear waste - difficult to dispose
                                2. National grid
                                  1. Transformers
                                    1. Step up
                                      1. Step down
                                        1. High-voltage current
                                          1. less energy lost in cables
                                  2. Waves
                                    1. Properties
                                      1. Wavelength
                                        1. Amplitude
                                          1. Frequency
                                            1. Speed = frequency x wavelength
                                            2. Longitudinal
                                              1. Vibrate parallel to the direction of transfer
                                                1. Vibrations in a medium
                                                  1. Sound
                                                  2. Compression
                                                    1. Rarefaction
                                                    2. Transverse
                                                      1. Mechanical
                                                        1. Require medium to travel through
                                                        2. Vibrate at right angles to the direction of transfer
                                                        3. Doppler Effect
                                                          1. Red-shift of galaxies and stars
                                                            1. Big Bang theory
                                                              1. Universe is expanding
                                                                1. Cosmic microwave background information
                                                                2. Further away... bigger red shift
                                                              2. Reflection
                                                                1. Refraction
                                                                  1. Diffraction
                                                                  2. Electromagnetic waves
                                                                    1. Communication
                                                                      1. Visible light
                                                                        1. Photography
                                                                        2. Infrared
                                                                          1. Remote controls
                                                                          2. Microwaves
                                                                            1. Satellite TV
                                                                              1. Mobile phone
                                                                              2. Radio waves
                                                                                1. Radio
                                                                                  1. TV
                                                                                    1. Bluetooth
                                                                                  2. R-M-I-V-U-X-G
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