Thermal Equilibrium and Heat Flow

Thermal Equilibrium and Heat Flow

Assessment

Flashcard

•

Science

•

9th - 12th Grade

•

Hard

Created by

Barbara White

Used 1+ times

FREE Resource

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20 questions

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1.

FLASHCARD QUESTION

Front

Thermal Equilibrium Noun

[thur-muhl ee-kwuh-lib-ree-uhm]

Back

Thermal Equilibrium


The state where objects in contact reach the same temperature, resulting in no net flow of energy between them.

Example: This diagram shows a hot object (100°) and a cold object (0°) transferring heat until they both reach the same intermediate temperature (50°), called thermal equilibrium.
Media Image

2.

FLASHCARD QUESTION

Front

Thermal Energy Noun

[thur-muhl en-er-jee]

Back

Thermal Energy


The total internal energy of an object related to the random motion of its atoms and molecules.

Example: This diagram shows thermal energy moving as heat from a hotter object to a colder object, which is the basis of heat flow.
Media Image

3.

FLASHCARD QUESTION

Front

Heating Noun

[hee-ting]

Back

Heating


The process by which thermal energy is transferred from a warmer object or region to a cooler one.

Example: This diagram shows that heating is the transfer of thermal energy, as heat flows from the hot liquid to the cold liquid through the connecting channel.
Media Image

4.

FLASHCARD QUESTION

Front

Radiation Noun

[rey-dee-ey-shuhn]

Back

Radiation


The transfer of energy through space by electromagnetic waves, such as light and infrared.

Example: The Sun transfers heat energy to the Earth through space via electromagnetic waves, a process called radiation.
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5.

FLASHCARD QUESTION

Front

Conduction Noun

[kuhn-duhk-shuhn]

Back

Conduction


The transfer of thermal energy through direct physical contact between particles of matter.

Example: Heat conducts from a higher temperature area to a lower one as faster-moving particles collide with and transfer energy to slower-moving particles.
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6.

FLASHCARD QUESTION

Front

Convection Noun

[kuhn-vek-shuhn]

Back

Convection


The transfer of heat through the bulk movement of fluids, such as liquids or gases.

Example: Heat from the flame causes water molecules at the bottom to warm up, become less dense, and rise. Cooler, denser molecules sink, creating a circular flow.
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7.

FLASHCARD QUESTION

Front

Electromagnetic Waves Noun

[ih-lek-troh-mag-net-ik weyvs]

Back

Electromagnetic Waves


Waves of energy, such as visible light, that can travel through space and transfer thermal energy.

Example: This diagram shows the electromagnetic spectrum, a range of waves from high-energy gamma rays to low-energy radio waves, including the infrared waves that transfer heat.
Media Image

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