# Conversion And Heat Transfer

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| By Aaron Countryman
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Aaron Countryman
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Quizzes Created: 1 | Total Attempts: 159
Questions: 5 | Attempts: 159

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Conversion and heat transfer

• 1.

### 1. What is the principle method called for warming gasses and liquids?

• A.

Convention

• B.

Conduction

A. Convention
Explanation
The correct answer is convection. Convection is the principle method for warming gases and liquids. It involves the transfer of heat through the movement of the heated substance itself, such as the rising of warm air or the circulation of heated water. Conduction, on the other hand, refers to the transfer of heat through direct contact between objects.

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• 2.

### What type of energy is it when heat travels from one object to another due to direct contact?

• A.

Conduction

• B.

A. Conduction
Explanation
Conduction is the correct answer because it refers to the transfer of heat energy from one object to another through direct contact. In this process, heat is transferred from the object with higher temperature to the object with lower temperature, resulting in the equalization of temperatures between the two objects. This type of energy transfer occurs through the collision of particles within the objects, causing the kinetic energy to be transferred from one particle to another.

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• 3.

### 3. What is the movement of thermal energy through electromagnetic waves called?

• A.

• B.

Conduction

Explanation
The movement of thermal energy through electromagnetic waves is called radiation.

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• 4.

### 4.  How is sound energy carried?

• A.

Waves

• B.

Mechanical

A. Waves
Explanation
Sound energy is carried through waves. When an object vibrates, it creates a disturbance in the surrounding medium, which then propagates as a wave. These waves carry the energy of the sound from the source to the receiver. The particles in the medium vibrate back and forth as the wave passes through, transferring the energy along the way. This is how sound energy is transmitted and perceived by our ears.

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• 5.

### 5. What energy does our body use to walk or run?

• A.

Chemical

• B.

Mechanical

B. Mechanical
Explanation
Our body uses mechanical energy to walk or run. Mechanical energy is the energy possessed by an object due to its motion or position. When we walk or run, our muscles contract and produce force, which is then converted into mechanical energy to move our body. This energy allows us to perform physical activities and move from one place to another.

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