Conduction Quiz

What is conduction in metals?

• Transfer of heat or electricity through the movement of protons within the metal lattice.

• Transfer of heat or electricity through the movement of photons within the metal lattice.

• Transfer of heat or electricity through the movement of neutrons within the metal lattice.

• Transfer of heat or electricity through the movement of free electrons within the metal lattice.

Which type of materials are good conductors of heat?

• Plastics

• Metals

• Wood

• Glass

What is the process of heat transfer in liquids called?

• convection

• evaporation

• conduction

• radiation

Which type of materials are poor conductors of heat?

• Metals

• Insulators

• Conductors

• Semiconductors

What is the process of heat transfer in gases called?

• evaporation

• radiation

• conduction

• convection

What is the unit of thermal conductivity?

• J/m·K

• W/m·C

• W/m

• W/m·K

Which metal is the best conductor of heat?

• iron

• copper

• silver

• aluminum

What is the main factor that affects the rate of conduction in metals?

• Temperature

• Atomic weight

• Density

• Presence of free electrons

What is the main factor that affects the rate of conduction in liquids?

• viscosity

• pressure

• temperature

• density

What is the main factor that affects the rate of conduction in gases?

• pressure

• temperature

• density

• molecular weight