Thermal Conductivity

What is thermal conductivity?

• The property of a material to repel heat

• The property of a material to conduct heat

• The ability of a material to generate electricity

• The measure of a material's color

Which material is a good conductor of heat, like Anika running a hot race?

• Copper

• Wood

• Plastic

• Rubber

What are insulators, and why are they important? Let's find out, Samuel, Abigail, and Maya!

• Materials that are transparent to light

• Materials that do not easily allow the flow of heat or electricity.

• Materials that easily allow the flow of heat and electricity

• Materials that are good conductors of sound

Which material would be the best choice for Isla, Sophia, and Hannah to use as a good insulator?

• Metal

• Glass

• Plastic

• Wood

Why do Arjun, Ava, and James think air and wool are good insulators?

• Low thermal conductivity

• Poor insulation properties

• High thermal conductivity

• Easily conducts heat

What is the connection between thermal conductivity and the flow of heat?

• Higher thermal conductivity allows for better flow of heat

• Thermal conductivity has no impact on the flow of heat

• Lower thermal conductivity allows for better flow of heat

How are conductors and insulators like Arjun and Mia in a fun way?

• Arjun is like a conductor, always conducting energy and excitement, while Mia is like an insulator, keeping things safe and steady

• William is like a conductor, always conducting energy and excitement, while Arjun is like an insulator, keeping things safe and steady

• Conductors are like Arjun, full of energy and used for electrical wiring, cooking utensils, and electronic devices. Insulators are like Mia, providing safety in electrical wiring and in the construction of buildings and vehicles

• Arjun is like a conductor, always conducting energy and excitement, while William is like an insulator, keeping things safe and steady

Which of the following is a factor that determines thermal energy?

• Mass

• Heat

• Transfer of thermal energy

• Conduction

As the mass decreases, what will the change in temperature do for the same energy output?

• Decrease

• Increase

• Stay the same

• Not determinable from the information given.

As the mass of an object increases, the change in temperature will decrease. This is an ................................. proportional relationship.

• directly

• inversely