Exploring Thermal Energy Transfer

What is the second law of thermodynamics primarily concerned with?

• Conservation of mass

• Transfer and distribution of energy

• Conservation of momentum

• Creation of energy

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Which term describes the process by which thermal energy moves from a hotter object to a cooler one until equilibrium is reached?

• Radiation

• Conduction

• Evaporation

• Insulation

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If two objects at different temperatures are placed in contact within a closed system, what will eventually happen to their temperatures?

• The hotter object will get hotter and the cooler object will get cooler

• Both objects will reach the same temperature

• The cooler object will remain the same temperature

• The hotter object will remain the same temperature

• No energy will be transferred

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• Energy is created in the system

• Energy is destroyed in the system

• Energy is transferred between components, but the total energy remains constant

• Energy flows out of the system

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Match each law of thermodynamics.

• First Law

• Energy can not be created nor destroyed only transferred or transformed.

• Second Law

• There is a limit to how cold things can get.

• Third Law

• Energy can flow from a cooler object to a warmer object.

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Heat transfers from an area of (a)   temperature to an area of (b)   temperature.

• high
• low to high
• high to high

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Heat is ​ (a)   transferred between objects because of a difference in their ​ (b)   . It moves from an object with ​ (c)   energy to ​ (d)   energy.

• energy
• temperatures
• higher
• lower

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