Conductors and Insulators

Which substance will conduct the least amount of heat?

• glass

• copper

• plastic

• aluminum

Which best explains why a wooden spoon can be used to stir hot soup on the stove?

• Wood is a good conductor of heat and transfers energy to the spoon.

• Wood is a poor conductor of heat and transfers energy to the spoon.

• Wood is a good conductor of heat and does not allow the transfer of energy to the spoon.

• Wood is a poor conductor of heat and does not allow the transfer of energy to the spoon.

Which best explains why metal is a good material to make frying pans?

• Metal is a good conductor of heat and transfers heat from the stove to the food.

• Metal is a good conductor of heat and does not transfer heat from the stove to the food.

• Metal is a poor conductor of heat and transfers heat from the stove to the food.

• Metal is a poor conductor of heat and does not transfer heat from the stove to the food.

In a house, what is the purpose of insulation in terms of thermal energy transfer?

• To promote rapid heat loss.

• To enhance radiation.

• To minimize heat transfer.

• To encourage conduction.

Is Iron a Conductor or Insulator?

• Conductor
• Insulator

Which is NOT an insulator.

• Wool
• Plastic
• Copper
• Glass

Is Wood a conductor or Insulator?

• Conductor
• Insulator

A jacket is a good example of an . . .

• Insulator
• Investigator
• Conductor
• Interrogator

Rubber is a insulator.

• true
• false

Mittens help keep your hands warm in winter because

• they are colorful
• they are fuzzy
• they are conductors
• they are insulators