Thermodynamics Quiz - Practice

What is heat?

• Thermal energy at rest

• Thermal energy in motion

• Electrical energy

• Chemical energy

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How is temperature defined?

• Total energy per molecule

• Average kinetic energy per molecule

• Potential energy per molecule

• Mechanical energy

What does zero degrees Kelvin represent?

• Maximum heat

• Absolute zero

• Maximum temperature

• Infinite motion

According to the first law of thermodynamics, what is the principle it states?

• Energy cannot be created nor destroyed

• Energy can only be transferred as heat

• Entropy always increases in an isolated system

• Heat flows from a higher temperature to a lower temperature

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NGSS.HS-PS3-1

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What does the second law of thermodynamics primarily concern?

• Conservation of energy

• Directionality of heat transfer

• Relationship between pressure and volume

• Behavior of ideal gases

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NGSS.HS-PS3-4

Which principle states that objects of different temperatures will reach thermal equilibrium when allowed to come into contact?

• Boyle's Law

• Ohm's Law

• Charles's Law

• Zeroth Law of Thermodynamics

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NGSS.HS-PS3-4

Which of the following situations best illustrates the first law of thermodynamics?

• A pot of water is placed on a stove, and heat energy is transferred to the water causing its temperature to rise.

• A car engine burns fuel, converting chemical energy into both mechanical work and heat.

• A refrigerator absorbs heat from its interior, cooling the contents inside while expelling heat to the surroundings.

• A solar panel converts sunlight into electrical energy to power a house, with some energy lost as heat in the process.

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NGSS.HS-PS3-4

Which scenario exemplifies the second law of thermodynamics?

• A cup of hot coffee placed on a table eventually cools down to room temperature.

• A refrigerator operates by transferring heat from its interior to the warmer surroundings.

• A block of ice melts in a glass of water, absorbing heat from the liquid.

• Heat flows from a higher temperature object to a lower temperature object spontaneously.

Tags

NGSS.HS-PS3-4

What does entropy primarily measure in a system?

• The total energy content.

• The temperature of the system

• The amount of available energy for work

• The degree of disorder or randomness

Which process involves the transfer of heat through the direct contact of adjacent molecules?

• Convection

• Radiation

• Sublimation

• Conduction