Homes

• What is the primary method used to keep homes warm?

  Boilers and radiators
• Why do we need to keep generating thermal energy in a warm house?


  To compensate for heat loss from the house
• Where can heat escape from in a house?


  From walls, floor, roof, or windows
• How does surface area affect heat loss in houses?


  Heat is dissipated faster in houses with large surface areas
• What is one way to reduce heat loss through walls?


  By using thick and insulated walls
• Why are thick walls better for keeping heat in?


  Because heat has further to travel through them
• What type of materials should be used for building walls to reduce heat flow?

  Insulating materials like brick
• Why is foam used in modern house walls?


  It has low thermal conductivity and offers better structural integrity
• How do insulating materials work together to reduce heat loss?


  They combine to reduce the rate at which heat escapes
• What is a feature of double glazed windows that helps reduce heat loss?


  An air gap between the two panes of glass
• Why is air used in double glazed windows instead of insulating foam?


  Because air is a good insulator and foam is not transparent
• How does an air gap in double glazed windows affect heat loss?


  It reduces heat loss and slows down heat conduction
• How does insulating lofts help in reducing heat loss?


  It reduces heat lost through the roof as heat rises into the loft
• What is one way to insulate floors in a home?


  By using carpets
• How do carpeted floors compare to tiled floors in terms of heat loss?


  Carpeted floors lose less heat than tiled floors
• What can be used underneath floorboards to help keep heat in?

  Insulation
• What might you be expected to explain in your exam regarding methods of reducing heat loss?


  How the methods work to reduce heat loss
• What are the main methods to reduce heat loss in homes?

  • Use of boilers and radiators
  • Thick and insulated walls
  • Double glazed windows with air gaps
  • Insulating lofts
  • Using carpets instead of tiles
  • Insulation under floorboards
• How do insulating materials work together to reduce heat loss in homes?


  • They reduce the rate at which heat escapes
  • Thick walls provide more distance for heat to travel
  • Air gaps in windows slow down heat conduction
  • Carpets and insulation under floors minimize heat loss
• What features does Launchpad Learning offer for GCSE revision?


  • Interactive quizzes
  • Easy to follow videos
  • AI tutor support
  • Comprehensive coverage of specifications