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Transfer of Thermal Energy, Radiation is the transfer of thermal energy…

- - - - Travels through Vacuum of Space
- - - - particles close , vibrate rapidly
      - Efficient energy transfer through bumping
    - - P{articles far apart
      - less effiant energy transfer
    - - Trapped air between layers
      - Air is a poor conductor
      - Reduces heat loss
- - - - High thermal energy
      - Fast moving particle
    - - Low thermal energy
      - Slow particle energy
  - - - Thermal energy transferred to object
    - - Heat from coffee to milk
      - Milk warms
      - Coffee cools
  - - - Thermal energy transfer to air
    - - Thermal energy transfer from air
  - - - Form of energy
      - Can't be transferred
    - - Measure of hotness
      - Related to particle kinetic energy
- - - - Radiator heat air particles
      - Air particles gain kinetic energy
      - Hot air less dense
      - Hot air rises
      - Air cools, loses energy
      - Cold air more dense
      - Cold air sinks
      - Creates current