All Flashcards
Describe the direction of energy transfer between two systems at different temperatures.
Energy always flows from the hotter system to the cooler system.
Explain how thermal equilibrium is achieved between two systems in thermal contact.
Energy transfers from the hotter system to the cooler system until both systems reach the same temperature, at which point the rate of energy transfer is equal in both directions.
Compare and contrast linear thermal expansion and volumetric thermal expansion.
Linear Expansion: Change in length, described by . | Volumetric Expansion: Change in volume, described by .
Differentiate between materials with high thermal conductivity and low thermal conductivity.
High Conductivity: Conduct heat efficiently, used in cooking pots. | Low Conductivity: Insulate against heat transfer, used in building insulation.
Compare and contrast high and low thermal conductivity materials.
High Thermal Conductivity: Heat transfer superstars, used in pots and pans. | Low Thermal Conductivity: Heat transfer blockers, used in cups and building insulation.
Differentiate between linear and volumetric thermal expansion.
Linear Expansion: Change in length. | Volumetric Expansion: Change in volume.