Science revision

• Kenetic energy = 1/2 x mass x speed2
• Kenetic energy =


  1/2 x mass x speed2
• 8 energy stores are nuclear magnetic electrostat gravitational potential elastic potential chemical thermal kinetic
• Name the 4 energy transfers

  Mechanical heating electrical radiation
• Conduction 


  When a solid is heated
• Convection 


  When a liquid or gas is heated
• Power =


  Work done divided by time
• Transverse waves 


  Right angle waves
• Longitudinal waves


  Waves are parallel
• Wave length 


  Distance between a peek
• Electromagnetic spectrum 


  Gamma ray X-ray ultraviolet visible infrared microwave radio