Thermal Energy and Equilibrium

Multiple Choice

Why is understanding thermal energy and equilibrium important in everyday life?

• It helps us predict weather patterns

• It explains why objects melt or freeze

• It is only relevant in chemistry labs

• It has no practical use

Open Ended

Explain how thermal energy flows in a system, using the example of a melting ice cream cone.

Multiple Choice

Which of the following statements best describes thermal equilibrium?

• Thermal energy flows from cooler to warmer objects until temperatures are equal.

• Thermal energy flows from warmer to cooler objects until temperatures are equal.

• Thermal energy does not flow between objects at different temperatures.

• Thermal equilibrium occurs only in solids.

Open Ended

Do you have any questions about thermal energy and equilibrium, or is there something you would like to know more about?

Multiple Choice

After one hour of contact, what are the temperatures of the two parts of the system as they approach thermal equilibrium?

• 70°C and 54°C

• 11°C and 9°C

• 105°C and 0°C

• 99°C and 0°C