In which situation has heat energy moved mainly by conduction through matter?

Question options:
A radiator heated with hot water warms a room.
The red-hot coil of an electric space heater is used to keep a small room warm.
The handle of a cast iron skillet being used to cook something becomes too hot to touch.
The person sitting closest to the blazing fire finds it necessary to move farther from the heat.

Question

09-01-2020
Biology

contestada

In which situation has heat energy moved mainly by conduction through matter?

Question options:
A radiator heated with hot water warms a room.
The red-hot coil of an electric space heater is used to keep a small room warm.
The handle of a cast iron skillet being used to cook something becomes too hot to touch.
The person sitting closest to the blazing fire finds it necessary to move farther from the heat.

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sqdancefan sqdancefan · Answer 1 · 2020-01-09T20:41:36+01:00

sqdancefan sqdancefan

09-01-2020

Answer:

The handle of a cast iron skillet being used to cook something becomes too hot to touch.

Explanation:

The handle of the skillet gets hot because the cast iron conducts heat from the heat source to the handle.

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A radiator or space heater works by convection and radiation of heat. A fire generally heats objects to the side by radiation.

Answer Link

ajinems ajinems · Answer 2 · 2021-08-19T18:23:47+02:00

The situation in which heat energy moves by conduction through matter is the handle of a cast iron skillet being used to cook something becomes too hot to touch.

Conduction is the transfer of heat energy through a material (matter) by direct contact. It is one of the major ways heat is being transferred from one object to another. The others include

Radiation

Convention

The handle of a cast iron skillet being used to cook something becomes too hot to touch because the heat from the burner directly heats up the pot. Then as the pot becomes hot, the heat is transferred to the handle of the cast iron skillet.

Since there is direct contact between the heat source and the matter, The handle of a cast iron skillet being used to cook something becomes too hot to touch, is the best situation heat energy moves mainly by conduction.

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