Heat, Thermal Energy and Temperature

What does temperature measure in a substance?

• The average kinetic energy of particles

• The total thermal energy

• The heat transfer rate

• The molecular structure

Thermal energy is the total kinetic energy in a substance.

• True

• False

What is the primary method of heat transfer when a metal spoon heats up in hot liquid?

• Conduction

• Convection

• Radiation

• Evaporation

What happens to molecules when energy is added to a substance?

• They move faster

• They move slower

• They stop moving

• They change their structure

How do double-walled cups minimize energy transfer?

• By using air or vacuum insulation

• By increasing conduction

• By absorbing light

• By using transparent walls

What are the 3 types of heat transfer?

(a)  

Where does heat always transfer from?

• hot to cold

• hot to hot

• cold to hot

• cold to cold

Thermal Equilibrium means...

• Same

• Balanced

• Equal

• All of the above