physics

physics

1. Practical skills

   • Variable
     • independent
     • control
     • dependent
   • graph skills
     • axis scale
     • axis lable
     • axis unit
     • data plotting
     • title
     • key if requried
     • curve or line of best fit
     • graph scale
   • further the investigation
     • change rate e.g. every 5m to every 2m
     • repeat

2. light

   • how we see
     • light bounces off object
     • light bounces into our eyes
   • dispertion
     • rainbow
   • refraction
     • light bends
       • density
   • at a boundry
     • between 2 materials
       • transmitted
       • reflected
       • absorbed
   • Law of Reflection
     • angle of incidence =
     • angle of reflection
     • normal at 90` from surface
     • smooth reflection
       • metalic surface
     • diffuse reflection
       • other surface
   • transverse

3. Sound

   • cause
     • vibrations
   • longitudal wave
     • compression
     • rarefactions
   • cannot travel through a vacume
     • no particles to vibrate
   • waveformes
     • frequency = pitch
     • amplitude = loudness

4. Waves

   • properties
     • amplitude
     • wavelenght
     • frequency
     • speed
   • transverse
     • ||| | | | ||| | | | |||
   • longitudinal
     • -_-`-_- `-_
   • equasions
     • speed= frequency x wavelength
     • V = f x landa

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