Curriculum
Course: Science — Second Preparatory
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Curriculum

Science — Second Preparatory

Unit 1: Matter and Energy

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Unit 2: Matter and Chemical Reactions

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Unit 3: Energy Flow in Photosynthesis and Respiration

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Unit 4: Geological Processes

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Text lesson

Heat Transfer

Science — Second Preparatory

Heat Transfer

Lesson summary

Lesson summary

Comparison aspectMain ideaKeywords
Conduction
  • heat passes from particle to particle by collisions. It happens mainly in solids
  • and metals are the best conductors
heatpassesparticlecollisions
Convectionheat is carried by the movement of the particles of a liquid or gas because of differences in densityheatcarriedmovementparticles
Radiationheat travels by electromagnetic waves. It happens in a vacuum and in all mediaheattravelselectromagneticwaves
•
  • Dark rough surfaces absorb radiation more
  • and shiny surfaces reflect it
Darkroughsurfacesabsorb
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