The model of a pot of water being heated on a stove shows thermal energy transfer. Which of the following BEST describes how thermal energy is transferred to the water in the pot?

A
Water in the pot is heated by conduction. Thermal energy from the pot is directly transferred to the water at the top of the pot through conduction.

B
Water in the pot is heated by conduction. Thermal energy from the burner is transferred directly to the water at the bottom of the pot through conduction.

C
Water in the pot is heated by convection. Water molecules at the top of the pot warm up and sink while cooler water molecules rise to the top of the pot, creating convection currents.

D
Water in the pot is heated by convection. Water molecules at the bottom of the pot warm up and rise while cooler water molecules sink to the bottom of the pot, creating convection currents.

Question

02-08-2022
Physics

Answered

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The model of a pot of water being heated on a stove shows thermal energy transfer. Which of the following BEST describes how thermal energy is transferred to the water in the pot?

A
Water in the pot is heated by conduction. Thermal energy from the pot is directly transferred to the water at the top of the pot through conduction.

B
Water in the pot is heated by conduction. Thermal energy from the burner is transferred directly to the water at the bottom of the pot through conduction.

C
Water in the pot is heated by convection. Water molecules at the top of the pot warm up and sink while cooler water molecules rise to the top of the pot, creating convection currents.

D
Water in the pot is heated by convection. Water molecules at the bottom of the pot warm up and rise while cooler water molecules sink to the bottom of the pot, creating convection currents.

Sagot :

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Onyebuchinnajiidn Onyebuchinnajiidn · Answer 1 · 2022-08-04T11:01:22-04:00

D. Water in the pot is heated by convection. Water molecules at the bottom of the pot warm up and rise while cooler water molecules sink to the bottom of the pot, creating convection currents.

What is convection current?

Convection currents are flowing fluid that is moving because there is a temperature or density difference within the material.

Convection heat transfer takes place only in liquids and gases.

During heat transfer by convection, the heated air will rise to the top due o its lower density while the cooler air will sink to the bottom due to its higher density.

Thus, for the model of a pot of water being heated on a stove that shows thermal energy transfer, the heat transfer occurs when the water in the pot is heated by convection. Water molecules at the bottom of the pot warm up and rise while cooler water molecules sink to the bottom of the pot, creating convection currents.

Learn more about convection current here: https://brainly.com/question/20295382

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Sagot :

What is convection current?

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