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14 Cards in this Set

  • Front
  • Back
What is conduction?
the transfer of heat from particle to particle which mainly occurs in solids
What is convection?
the transfer of heat in a liquid or gas by the upward movement of hot particles from one place to another
What is radiation?
the transfer of heat without the help of particles
What is conductor?
a substance which allows heat to move through it
What is insulator?
a substance which does not allow heat to move through it
What is vacuum?
a space with no particles of matter
What are good conductors of heat?
Metal
What is formed by moving particles in convection?
convection current
What is a good absorber of heat radiation?
black/dull surfaces
What is a poor absorber of heat radiation?
shiny/white surfaces
What is a good emitter of heat radiation?
black/dull surfaces
What is a poor emitter of heat radiation?
shiny/white surfaces
Convection occurs in liquids and gases. Why?
because the particles are free to move from one place to another
Convection does not occur in solids. Why?
because the particles are closely packed together. They are not free to move from one place to another