AQA Physics [P1] Part 1

AQA Physics [P1] Part 1

1. Using energy

   • Forms of energy
     • Nuclear
     • Kinetic
     • Light
     • Sound
     • Electrical
     • Gravitational potential
     • Elastic energy
     • Chemical
   • Efficiency
     • Prevention of waste energy
     • More efficient
       • Reducing friction
       • Reducing air resistance
       • Reducing electrical resistance
       • Reducing noise
     • Sankey diagrams

2. Heat transfer by heating

   • Radiation
     • Surface area
       • Design
         • Radiators
         • Flasks
       • Temperature of surroundings
     • Dark matt
       • Good
     • Light shiny
       • Poor
   • Conduction
     • Solids
       • Close particles
         • Metals
           • Free electrons
   • Convection
     • Liquids/gases
       • Convection currents
   • States of matter
     • Solids
       • Vibrating particles
         • Energy transfer
     • Liquids
       • Free moving
         • High energy particles
           • Evaporation
         • Low energy particles
           • Condensation
     • Gases

3. Buildings

   • Reducing the rate of energy
     • Insulation
     • U-Values
       • Lower
         • Better insulator
       • Higher
         • Faster the heat transfer
   • Heat storage
     • Specific heat capacity
       • Water
         • High
           • Central heating

4. Electrical energy

   • Heating
   • Lighting
   • Making objects move
   • Creating sound
   • Visual images
   • Cost effective
     • Payback time