Heat Transfer

What type of heat transfer happens in solids?

• Conduction only
• Convection only
• Radiation only
• All three

What type of heat transfer happens in fluids?

• Conduction only
• Convection only
• Radiation only
• All three

What type of heat transfer can happen in a vacuum?

• Conduction only
• Convection only
• Radiation only
• All three

What type of heat transfer needs particles to happen?

• Conduction only
• Convection only
• Conduction and Convection
• Radiation only
• All three

Black materials are the…

• best emitters of radiation
• best reflectors of radiation
• worst absorbers of radiation
• worst emitters of radiation

Radiatiors in houses mainly heat rooms by…

• Conduction only
• Convection only
• Radiation only
• All three

Shiny surfaces are the…

• best emitters of radiation
• worst reflectors of radiation
• best absorbers of radiation
• worst emitters of radiation

The amount of radiation given off by a surface depends on..

• colour only
• texture only
• colour and texture
• neither colour nor texture

The amount of conduction which happens depends on….

• colour only
• texture only
• colour and texture
• neither colour nor texture

Why are metals good conductors?

• free electrons
• trapped air
• vacuums
• free protons