# Energy Conversion And Heat Transfer! Trivia Facts Quiz

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Quizzes Created: 1 | Total Attempts: 124
Questions: 10 | Attempts: 124

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How much do you know about energy conversion and heat transfer? Heat can be transferred from one material t another through various ways which can either be radiation, convection or conduction. Do you know how these three types of heat transfer take place and why they are so different from each other and how to change one form of energy to another? This quiz will definitely help refresh your memory!

• 1.

### Conduction is the transfer of heat between two substances that are in ________ contact with each other.

Explanation
Conduction is the transfer of heat between two substances that are in direct contact with each other. This means that the heat is transferred through physical contact between the substances, without the need for any intermediate medium.

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• 2.

### Radiation is the transfer of heat in liquids or gases.

• A.

False.

• B.

True.

A. False.
Explanation
Radiation is not the transfer of heat in liquids or gases. Radiation is the transfer of heat through electromagnetic waves, such as infrared radiation. The transfer of heat in liquids or gases is typically through convection, where the heated particles move and transfer heat energy.

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• 3.

### Electromagnetic waves travel through empty space.

• A.

True.

• B.

False.

A. True.
Explanation
Electromagnetic waves are able to travel through empty space because they do not require a medium to propagate. Unlike mechanical waves, such as sound waves, which need a medium like air or water to travel, electromagnetic waves consist of oscillating electric and magnetic fields that can travel through a vacuum. This property allows electromagnetic waves, including visible light, radio waves, and X-rays, to travel through space and reach us from distant sources like the Sun.

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• 4.

### When electromagnetic waves travel through space it is called _____________.

Explanation
When electromagnetic waves travel through space, they propagate as radiation. Radiation refers to the emission and transmission of energy in the form of waves or particles. In the context of electromagnetic waves, radiation specifically refers to the process of energy transfer through the oscillation of electric and magnetic fields. Therefore, the correct answer is radiation.

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• 5.

### Examples of poor conductors of heat.

• A.

Wood

• B.

Steel

• C.

Paper

• D.

Styrofoam

A. Wood
C. Paper
D. Styrofoam
Explanation
Wood, paper, and styrofoam are examples of poor conductors of heat because they have low thermal conductivity. This means that they do not easily transfer heat from one part to another. These materials have a lot of air pockets or gaps between their particles, which hinders the flow of heat. In contrast, steel is a good conductor of heat because it has high thermal conductivity, allowing heat to easily move through its structure.

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• 6.

### When ____ or ____ falls, it creates a convection current.

gas liquid
liquid, gas
gas, liquid
liquid gas
Explanation
When gas or liquid falls, it creates a convection current. This is because when a gas or liquid falls, it displaces the surrounding medium, creating a flow of particles. This flow of particles forms a convection current, where warmer particles rise and cooler particles sink.

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• 7.

### The sun doesn't warm the earth through radiation waves.

• A.

True

• B.

False

B. False
Explanation
The statement is false because the sun does warm the earth through radiation waves. The sun emits electromagnetic radiation, including visible light and infrared radiation, which reaches the earth and warms its surface. This process is known as solar radiation or solar heating. Without the sun's radiation, the earth would be much colder.

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• 8.

### Heat is stored and dispersed all over the world through cars.

• A.

True

• B.

False

A. True
Explanation
Heat is stored and dispersed all over the world through cars. This statement is true because cars generate heat as a byproduct of their combustion engines. This heat is then dispersed into the environment through the car's exhaust system. Additionally, cars also contribute to the overall heat in the atmosphere through their emissions, which can contribute to global warming. Therefore, cars play a role in storing and dispersing heat on a global scale.

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• 9.

### _________ has great ability to hold and store heat.

Water
water
Explanation
Water has the great ability to hold and store heat due to its high specific heat capacity. This means that it requires a large amount of heat energy to raise its temperature. Additionally, water has a high heat of vaporization, meaning it can absorb a significant amount of heat when it evaporates. These properties make water an excellent heat reservoir, allowing it to regulate temperature and maintain stable conditions in various environments.

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• 10.

### Heat energy called ________ __________ always moves from a warmer area to a colder area until things even out.

thermal energy
Thermal Energy
Thermal energy
thermal Energy
Explanation
Heat energy, also known as thermal energy, always moves from a warmer area to a colder area until things even out. This is because heat naturally flows from regions of higher temperature to regions of lower temperature in order to achieve thermal equilibrium. The movement of thermal energy is driven by the temperature difference between the two areas, with heat transferring through conduction, convection, or radiation.

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• Current Version
• Mar 20, 2023
Quiz Edited by
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• Oct 12, 2009
Quiz Created by
Msmsms59

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