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949732
Thermal Engergy
Description
Thermal Energy Topic Edexcel Physics IGCSE
No tags specified
thermal energy
physics
igcse
edexcel
general physics
physics
energy resources and energy transfer
igcse
Mind Map by
Noah Swanson
, updated more than 1 year ago
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Created by
Noah Swanson
over 10 years ago
78
3
0
Resource summary
Thermal Engergy
Thermal Energy Transfer
Conduction
Through Substanses
No Movement
Metals Are Good Conductors
Wood Is A Good Insulator
Convection
Through Fluids
Annotations:
Fluids = Liquids And Gases
Upward Movement Of Warmer Fluids
Annotations:
Warmer Fluids Are Less Dense
Radiation
Thermal Radiation
Through IR Waves
Annotations:
IR Waves = Infa Red Waves
Travels In Straight Lines
Shiney Surfaces Reflect It
Emmit Less Heat Through Thermal Radiation
Matt Black And Darker Surfaces Are Good Absorbers
Energy Efficient Homes
Where Heat Is Lost
The Walls
35%
The Windows
10%
The Doors
15%
The Roof
25%
The WIndows
15%
Reduction Of Heat Loss
The Walls
Good Insulation Building Materials. Must Be:
Strong
Durable
Easily Available
Cavity Gap
To Stop Convection
Can Be Filled With Fiber Glass
Outer Wall Of Brick, Inner Wall Of Thermal Bricks
The Windows
Glass
Poor Conductor Of Heat
Double Glazing
2 Thin Layers Of Glass To Improve Insulation
Triple Glazing In Very Cold Countries
The Roof
Similar To Insulation Of Walls
Cavity Gap
Loft Insulation
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