Thermal Energy Quiz

What is conduction?

• Transfer of heat through sound waves

• Transfer of heat through electromagnetic waves

• Transfer of heat through fluid motion

• Transfer of heat through direct contact between particles of a substance

Give an example of conduction.

• Blowing on a hot bowl of soup

• Touching a metal spoon that has been sitting in a hot pot of soup

• Putting ice in a glass of water

• Stirring a cold drink with a metal spoon

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How does conduction differ from convection?

• Conduction is the transfer of heat through the movement of a fluid, while convection is the transfer of heat through direct contact.

• Conduction and convection are the same thing.

• Conduction is the transfer of heat through direct contact, while convection is the transfer of heat through the movement of a fluid (liquid or gas).

• Conduction is the transfer of heat through radiation, while convection is the transfer of heat through direct contact.

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Explain the process of convection.

• Convection is the process of heat transfer through the movement of electromagnetic waves.

• Convection is the process of heat transfer through radiation.

• Convection is the process of heat transfer through the movement of solid materials.

• Convection is the process of heat transfer through the movement of fluids (liquids or gases).

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What are the factors that affect convection?

• Type of material, time of day, and altitude

• Color of the fluid, wind speed, and humidity

• Temperature difference, fluid properties, and obstacles or barriers

• Pressure difference, electrical conductivity, and magnetic field strength

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How does radiation transfer thermal energy?

• By electromagnetic waves

• By convection

• By mechanical waves

• By conduction

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What are some examples of radiation in everyday life?

• Water, wind, and soil

• Candles, fire, and lava

• Plants, animals, and humans

• Sunlight, microwaves, and radio waves

Define thermal equilibrium.

• State in which two or more objects are at the same temperature and heat flows between them

• State in which two or more objects are at different temperatures and no heat flows between them

• State in which two or more objects are at different temperatures and heat flows between them

• State in which two or more objects or substances in contact reach the same temperature and no heat flows between them

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How is thermal equilibrium achieved?

• By maintaining different temperatures and no heat transfer

• By decreasing the temperature and decreasing net heat transfer

• By increasing the temperature and increasing net heat transfer

• By reaching the same temperature and no net heat transfer

Why is thermal equilibrium important in maintaining a constant temperature?

• To increase the rate of heat transfer

• To ensure that heat transfer stops once the temperatures of the objects are equal.

• To cause the temperature to fluctuate

• To prevent objects from reaching the same temperature

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