Physics Revision

notes on exam

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  • Physics Revision
    • Seeing and Listening
      • Frequency and Amplitude
        • Frequency is the pitch (high and low(
        • Frequency is measured in Hertzs
          • The frequency range for a human is between 20 and 20,000 Hertz
      • Sound
        • Sound is measured in decibels (dB)
        • Sound is heard by the vibration of air particles travelling down the ear and being picked up by the ear drum
        • Sound cannot travel in a vaccuum
    • Energy
      • Different types of energy
        • Elastic potential energy is another
        • And solar energy from sun
        • There is also gravitational potential energy - when things could fall
      • Energy facts
        • Joules (J) is the unit energy is measured in
    • Forces and Motion
      • Forces Facts
        • Forces are measured in Newtons (N)
        • Friction is when 2 things rub together
  • Different types of energy
    • Elastic potential energy is another
    • And solar energy from sun
    • There is also gravitational potential energy - when things could fall
  • Electrical energy is electrisity
    • There is also light energy
      • Amplitude is the noise (quiet and loud)
        • Frequency and Amplitude
          • Frequency is the pitch (high and low(
          • Frequency is measured in Hertzs
            • The frequency range for a human is between 20 and 20,000 Hertz
      • Space
        • Physics Revision
          • Seeing and Listening
            • Sound
              • Sound is measured in decibels (dB)
              • Sound is heard by the vibration of air particles travelling down the ear and being picked up by the ear drum
              • Sound cannot travel in a vaccuum
          • Energy
            • Energy facts
              • Joules (J) is the unit energy is measured in
          • Forces and Motion
            • Forces Facts
              • Forces are measured in Newtons (N)
              • Friction is when 2 things rub together
        • Planets
          • M,V,E,M,J,S,U,N
          • Venus is the hottest planet because it had OTT Global Warming

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