Which is the best description of radiation?(1 point)

Responses

transfer of thermal energy within a gas
transfer of thermal energy within a gas

transfer of thermal energy within a liquid
transfer of thermal energy within a liquid

transfer of thermal energy between two substances that are touching
transfer of thermal energy between two substances that are touching

transfer of thermal energy through infrared waves
transfer of thermal energy through infrared waves

transfer of thermal energy through infrared waves

1: As the substance’s thermal energy increases, the kinetic energy of its particles increases, and vice versa.

2: Its molecules move around more quickly, so there is more space between them, making it less dense than the air above it.

3: Warmer sauce at the bottom of the pot is less dense, so it rises, forcing cooler sauce down, where it is warmed.

4: Hot soup warms the bowl where it sits.

5: transfer of thermal energy through infrared waves

This is correct for the Thermal Energy Transfer Quick Check

As an AI language model, I do not have access to specific assessments or exams. However, all of the statements mentioned seem to be true concerning thermal energy transfer.

The best description of radiation is "transfer of thermal energy through infrared waves." To understand why, let's break down the other options:

1. Transfer of thermal energy within a gas: This describes convection, where heat is transferred by the movement of molecules within a gas, such as hot air rising.

2. Transfer of thermal energy within a liquid: This also describes convection, but within a liquid instead of a gas. It happens when heat is transferred by the movement of molecules in a liquid, such as the rising and sinking of heated water.

3. Transfer of thermal energy between two substances that are touching: This describes conduction, where heat is transferred directly between two substances that are in contact, such as a hot object placed on a colder surface.

Now, let's look at the most accurate description:

4. Transfer of thermal energy through infrared waves: This describes radiation. Radiation occurs when heat is transferred through electromagnetic waves, specifically in the form of infrared waves. It does not require a medium (gas, liquid, or solid) for the heat to be transferred. For example, the warmth you feel from the Sun's rays is a result of radiation.

Therefore, the best description of radiation is the transfer of thermal energy through infrared waves.