Heat Transfer

What is conduction?

• The process of converting heat into electricity

• The process of converting electricity into heat

• The process of transferring heat or electricity through a vacuum

• Transfer of heat or electricity through a substance or material

What is convection?

• Transfer of heat through the movement of a gas caused by differences in pressure.

• Transfer of heat through the movement of a solid caused by differences in temperature.

• Transfer of heat through the movement of a fluid caused by differences in temperature.

• Transfer of heat through the movement of a fluid caused by differences in density.

What is radiation?

• The process of converting energy into matter

• The emission of sound waves

• The process of converting matter into energy

• The emission of energy as electromagnetic waves or as moving subatomic particles

Which material is a good insulator?

• rubber

• wood

• metal

• glass

Which material is a good conductor?

• Wood

• Plastic

• Metals

• Rubber

What is the main mode of heat transfer in a metal spoon placed in hot soup?

• conduction

• evaporation

• radiation

• convection

What is the main mode of heat transfer in a boiling pot of water?

• radiation

• conduction

• evaporation

• convection

What is the main mode of heat transfer from the Sun to the Earth?

• radiation

• absorption

• convection

• conduction

Which material would be the best choice for a thermal insulator?

• fiberglass

• copper

• aluminum

• wood

Which material would be the best choice for a thermal conductor?

• Copper or Aluminum

• Rubber

• Plastic

• Wood