# Heat Transfer Quiz! Trivia Questions

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Heat Transfer is the transmission of thermal energy due to a gradient in temperature. Do you know which materials are a great conductor of heat and which ones are not? The biggest example of heat energy in our solar system is the sun itself as it radiates heat to warm the planet. This type of energy can be converted from other types of energy. Try answering the trivia questions in this heat transfer quiz.

• 1.

### Temperature is a measure of ...

• A.

Total kinetic energy

• B.

Average potential energy

• C.

Average kinetic energy

• D.

Kinetic energy plus potential energy

C. Average kinetic energy
Explanation
Temperature is a measure of the average kinetic energy of the particles in a substance. It represents the amount of energy that the particles have due to their motion. As temperature increases, the average kinetic energy of the particles also increases. Therefore, the answer "average kinetic energy" accurately describes the concept of temperature.

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• 2.

### The lowest possible temperature is ...

• A.

0 degrees Kelvin

• B.

-273 degrees Fahrenheit

• C.

0 degrees Fahrenheit

• D.

-273 degrees Kelvin

A. 0 degrees Kelvin
Explanation
The lowest possible temperature is 0 degrees Kelvin. Kelvin is an absolute temperature scale where 0 Kelvin represents absolute zero, the point at which all molecular motion ceases. It is the lowest temperature possible and is equivalent to -273 degrees Celsius or -459.67 degrees Fahrenheit. Therefore, 0 degrees Kelvin is the correct answer.

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• 3.

### A thermometer works because the liquid in it ___ when heated.

• A.

Contracts

• B.

Becomes solid

• C.

Becomes elastic

• D.

Expands

D. Expands
Explanation
A thermometer works because the liquid in it expands when heated. When heat is applied to the liquid, the molecules gain energy and move faster, causing them to spread out and take up more space. This expansion of the liquid is what causes the level of the liquid in the thermometer to rise, indicating a higher temperature. Therefore, the correct answer is "expands".

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• 4.

### Heat is thermal energy that is transferred from one object to another because of a difference in what?

• A.

Mass

• B.

Temperature

• C.

Volume

• D.

Potential energy

B. Temperature
Explanation
Heat is thermal energy that is transferred from one object to another because of a difference in temperature. Temperature is a measure of the average kinetic energy of the particles in an object. When there is a difference in temperature between two objects, heat will flow from the object with higher temperature to the object with lower temperature until thermal equilibrium is reached. Therefore, temperature is the key factor that drives the transfer of heat between objects.

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• 5.

### Fast food restaurants keep food warm by placing them under heat lamps. These lamps transfer heat by what means?

• A.

Convection

• B.

Conduction

• C.

• D.

Condensation

Explanation
Fast food restaurants keep food warm by placing them under heat lamps. Heat lamps transfer heat through radiation. Radiation is the process by which heat is transferred through electromagnetic waves, such as infrared radiation. In this case, the heat lamps emit infrared radiation, which is absorbed by the food and increases its temperature. This method is effective for keeping food warm as it directly transfers heat to the food without the need for direct contact or a medium for heat transfer.

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• 6.

### When you burn your finger by touching a hot skillet, the heat is transferred to your finger by ...

• A.

Convection

• B.

Conduction

• C.

• D.

Condensation

B. Conduction
Explanation
When you burn your finger by touching a hot skillet, the heat is transferred to your finger by conduction. Conduction is the transfer of heat through direct contact between two objects or substances. In this case, the heat from the hot skillet is transferred to your finger when they come into contact with each other.

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• 7.

### The purpose of putting a cold beverage into an insulated container is to ...

• A.

Cause the transfer of heat

• B.

Prevent the transfer of heat

• C.

Increase the liquid's thermal energy

• D.

Decrease the liquid's thermal energy

B. Prevent the transfer of heat
Explanation
The purpose of putting a cold beverage into an insulated container is to prevent the transfer of heat. Insulated containers are designed to minimize the exchange of heat between the beverage and its surroundings. By creating a barrier that reduces heat conduction, convection, and radiation, the insulated container helps to maintain the cold temperature of the beverage for a longer period. This prevents the beverage from warming up quickly and keeps it refreshing for a longer time.

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• 8.

### Heat is thermal energy that is ...

• A.

Getting warmer

• B.

Getting cooler

• C.

Stationary

• D.

Flowing from one object to another

D. Flowing from one object to another
Explanation
Heat is a form of thermal energy that flows from one object to another. It is transferred through conduction, convection, or radiation. When two objects are in contact, heat will move from the object with higher temperature to the object with lower temperature until they reach equilibrium. This transfer of heat helps to equalize the temperatures between objects and is responsible for the sensation of warmth or the increase in temperature. Therefore, the correct answer is "flowing from one object to another."

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• 9.

### Which one of the following is a good insulator?

• A.

Gold

• B.

Iron

• C.

Cotton

• D.

Copper

C. Cotton
Explanation
Cotton is a good insulator because it has high resistance to the flow of electricity. It is made up of cellulose fibers which are poor conductors of electricity. These fibers are tightly packed together, creating air pockets that reduce the transfer of heat and electricity. This property makes cotton an effective insulator for both electrical and thermal applications.

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• 10.

### Which one of the following is the best conductor?

• A.

Aluminum

• B.

Cotton

• C.

Wood

• D.

Plastic

A. Aluminum
Explanation
Aluminum is the best conductor among the given options. This is because aluminum has a high electrical conductivity, meaning it allows the flow of electric current easily. It is widely used in electrical wiring and other applications where efficient conduction of electricity is required. Cotton, wood, and plastic are poor conductors of electricity and have much lower conductivity compared to aluminum.

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• Current Version
• Mar 22, 2023
Quiz Edited by
ProProfs Editorial Team
• Apr 07, 2009
Quiz Created by
Wilstar

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