Conduction

Question 1

Most thermal conductors are made of which material?

Revolt · Accepted Answer

metal

Question 2

What occurs when someone places an ice pack on an injured ankle?

Revolt · Accepted Answer

Heat from the ankle is transferred to the ice pack.

Question 3

What must be true about two objects for conduction to take place?

Revolt · Accepted Answer

The objects must be different temperatures and they must be in contact.

Question 4

Which demonstrates conduction?

Revolt · Accepted Answer

cool feet walking across a hot pavement

Question 5

Which describes how fast-moving particles assist in transferring thermal energy to a cup after hot tea is poured into it?

Revolt · Accepted Answer

They collide with slow-moving particles.

Question 6

Earl is using his hands to hold a metal pan 10 centimeters above a hot burner. How can this scenario be changed to demonstrate conduction between the pan and the burner?

Revolt · Accepted Answer

touch the pan to the burner

Question 7

Which best explains why metal cooking utensils often have plastic coating on their handles?

Revolt · Accepted Answer

Plastic reduces the transfer of thermal energy to hands holding the utensils.

Question 8

Conduction can occur within a single substance, but parts of the substance must have which property?

Revolt · Accepted Answer

different temperatures

Question 9

How do the metal aluminum coils in an air conditioner help keep a house cool?

Revolt · Accepted Answer

They conduct thermal energy from inside the house and release it outside the house.

Question 10

How does an increase in thermal energy affect molecules?

Revolt · Accepted Answer

They begin to vibrate more.

Conduction Answers

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