# 4th Grade Moniteau Quiz: Heat!

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Levi created this quiz for Mrs. Cosme's class as a Goals Student.

• 1.

### The flow of energy from one material to another is called _____________.

• A.

Temperature

• B.

Heat

• C.

Warmth

• D.

Coldness

B. Heat
Explanation
Heat is the correct answer because it refers to the flow of energy from one material to another. Temperature is a measure of the average kinetic energy of particles in a substance, warmth is a subjective perception of temperature, and coldness is the absence of heat energy. Heat specifically describes the transfer of energy between objects due to a temperature difference.

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• 2.

### Heat moves from __________ object to ___________ ones. The more energy an object has the faster the particles move.

• A.

Warmer to cooler

• B.

Cooler to warmer

• C.

Bigger to smaller

• D.

Smaller to bigger

A. Warmer to cooler
Explanation
Heat moves from warmer objects to cooler ones because heat energy naturally flows from areas of higher temperature to areas of lower temperature. This is due to the fact that particles in warmer objects have more energy and move faster, causing them to collide with particles in cooler objects and transfer their energy. As a result, the cooler objects gain heat energy and become warmer, while the warmer objects lose heat energy and become cooler.

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• 3.

### The particles in a warm object cause the particles in a cooler one to move faster. Eventually the particles of both objexts will move at the same speed.

• A.

True

• B.

False

A. True
Explanation
When a warm object comes into contact with a cooler object, the particles in the warm object transfer some of their kinetic energy to the particles in the cooler object. This energy transfer causes the particles in the cooler object to move faster. Over time, as more energy is transferred, the particles in both objects will reach the same speed, resulting in thermal equilibrium. Therefore, the statement that the particles in both objects will eventually move at the same speed is true.

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• 4.

### A(n) ______________ is a material that does not transfer heat very well.

• A.

Conductor

• B.

Piece of metal

• C.

Insulator

• D.

Piece of tin foil

C. Insulator
Explanation
An insulator is a material that does not transfer heat very well. Unlike conductors, which allow heat to flow easily through them, insulators have high resistance to heat transfer. This property makes insulators useful for preventing heat loss or gain in various applications, such as in building insulation or electrical insulation. A piece of metal or tin foil, on the other hand, would be considered conductors as they are materials that easily transfer heat.

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• 5.

### The opposite of an insulator is a _________________.

• A.

Conductor

• B.

Insulator

• C.

Heat

• D.

Piece of rubber

A. Conductor
Explanation
An insulator is a material that does not allow the flow of electricity or heat. It prevents the transfer of energy. On the other hand, a conductor is a material that allows the flow of electricity or heat. It facilitates the transfer of energy. Therefore, the opposite of an insulator, which restricts the flow of energy, is a conductor, which allows the flow of energy.

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• 6.

### A conductor transfers heat ____________.

• A.

Slowly

• B.

Quickly

• C.

All at once

• D.

Not at all

A. Slowly
B. Quickly
Explanation
A conductor transfers heat slowly and quickly. This is because the rate at which heat is transferred depends on the conductivity of the material. Conductors, such as metals, have high thermal conductivity, allowing heat to transfer quickly through them. However, the transfer of heat is not instant and still takes some time. Therefore, while conductors transfer heat relatively quickly compared to insulators, it is still not instantaneous.

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• 7.

### Heat can be transfered in ___________ ways.

• A.

2

• B.

4

• C.

3

• D.

6

C. 3
Explanation
Heat can be transferred in three ways: conduction, convection, and radiation. Conduction is the transfer of heat through direct contact between objects or substances. Convection is the transfer of heat through the movement of fluids, such as air or water. Radiation is the transfer of heat through electromagnetic waves. These three methods are the primary ways in which heat is transferred from one object to another.

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• 8.

### Most matter ________ when it is heated and then _________ when it is cooled.

• A.

Expands and contracts

• B.

Contracts and expands

• C.

Warms and cools

A. Expands and contracts
Explanation
When matter is heated, its particles gain energy and move faster, causing them to spread out and take up more space. This leads to expansion. On the other hand, when matter is cooled, its particles lose energy and slow down, causing them to come closer together and occupy less space. This results in contraction. Therefore, the correct answer is "expands and contracts".

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• 9.

### Examples of fossil fuels are coal, oil and natural gas.

• A.

True

• B.

False

A. True
Explanation
Fossil fuels are formed from the remains of plants and animals that lived millions of years ago. Coal, oil, and natural gas are all examples of fossil fuels because they are derived from the decomposition of organic matter over time. These fuels are non-renewable resources and are widely used for energy production. Therefore, the statement "Examples of fossil fuels are coal, oil, and natural gas" is true.

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• 10.

### Fossil fuels don't cause pollution when they are burned.

• A.

True

• B.

False

B. False
Explanation
Fossil fuels do cause pollution when they are burned. When fossil fuels such as coal, oil, and natural gas are burned, they release carbon dioxide and other greenhouse gases into the atmosphere. These emissions contribute to air pollution and are a major factor in climate change. Therefore, the statement that fossil fuels don't cause pollution when they are burned is false.

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• 11.

### _______________ is the measure of how hot or cold something is. This is NOT the same as heat.

• A.

Heat

• B.

Cold

• C.

Warmth

• D.

Temperature

D. Temperature
Explanation
Temperature is the measure of how hot or cold something is. It is a quantitative measurement of the average kinetic energy of the particles in a substance. Heat, on the other hand, refers to the transfer of energy between two objects due to a temperature difference. While temperature is a specific numerical value, heat is a form of energy. Therefore, temperature and heat are not the same thing. Cold and warmth are subjective terms used to describe temperature sensations, but temperature itself is the objective measurement of hotness or coldness.

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• 12.

### Temperature is measured with a _____________.

• A.

Thermometer

• B.

Barometer

• C.

Weather vane

• D.

Stick

A. Thermometer
Explanation
A thermometer is the correct instrument for measuring temperature. It is designed specifically for this purpose and uses various methods such as mercury or digital sensors to accurately measure the temperature of an object or the environment. A barometer measures atmospheric pressure, a weather vane indicates wind direction, and a stick is not a suitable instrument for measuring temperature.

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• 13.

### A thermometer works because the particles in the liquid move _____ and ______ when the temperature increases. The liquid expands causing it to rise in the tube.

• A.

Faster and farther

• B.

Faster and closer

• C.

Slower and farther

• D.

Slower and closer

A. Faster and farther
Explanation
As the temperature increases, the particles in the liquid gain more energy and move faster. This increased movement causes the liquid to expand, occupying a larger volume. As a result, the liquid rises in the tube of the thermometer, indicating an increase in temperature. The term "farther" is used to describe the rising of the liquid in the tube, indicating that the liquid expands and moves a greater distance as the temperature increases.

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• 14.

### When the temperature decreases the particles of the liquid _____________ and goes _______________ the tube.

• A.

Slow down and up

• B.

Slow down and down

• C.

Speeds up and down

• D.

Speeds up and up

B. Slow down and down
Explanation
When the temperature decreases, the particles of the liquid slow down because the decrease in temperature reduces their kinetic energy. As a result, the particles become less energetic and move at a slower pace. Additionally, the particles also move downwards in the tube due to the decrease in thermal expansion of the liquid. This causes the liquid to contract and occupy a smaller volume, leading to a downward movement in the tube.

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• 15.

### The scales used for measuring temperature are known as farenheit and celcius.

• A.

True

• B.

False

A. True
Explanation
The statement is true because Fahrenheit and Celsius are indeed the scales used for measuring temperature. Fahrenheit is commonly used in the United States and a few other countries, while Celsius is the standard scale used in most of the world. These scales are based on the freezing and boiling points of water, with Fahrenheit having 32 degrees as the freezing point and 212 degrees as the boiling point, while Celsius has 0 degrees as the freezing point and 100 degrees as the boiling point.

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• 16.

### On the fahrenheit scale, water freezes at ________ degrees and boils at ______ degrees.

• A.

0 and 100

• B.

0 and 212

• C.

32 and 100

• D.

32 and 212

D. 32 and 212
Explanation
On the Fahrenheit scale, water freezes at 32 degrees and boils at 212 degrees. This is the standard freezing and boiling points of water on the Fahrenheit scale.

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• 17.

### On the Celsius scale, water freezes at ______ degrees and boils at ___ degrees.

• A.

0 and 100

• B.

0 and 212

• C.

32 and 100

• D.

32 and 212

A. 0 and 100
Explanation
On the Celsius scale, water freezes at 0 degrees and boils at 100 degrees. This is a widely known fact in science and is based on the freezing and boiling points of water under standard atmospheric conditions. The Celsius scale is commonly used for measuring temperature, and these specific values for the freezing and boiling points of water are fundamental to the scale.

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• 18.

### ____________ can occur between two objects that are touching.

• A.

Reduction

• B.

Conduction

• C.

• D.

Convection

B. Conduction
Explanation
Conduction is the transfer of heat energy between two objects that are in direct contact with each other. When two objects are touching, heat is transferred from the object with higher temperature to the object with lower temperature through conduction. This occurs because the particles in the hotter object gain energy and transfer it to the particles in the cooler object through direct contact. Conduction is an important mechanism for heat transfer in solids and is responsible for the feeling of warmth when we touch a hot object.

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• 19.

### _____________ is the transfer of heat by the flow of a liquid or gas.

• A.

• B.

Conduction

• C.

Convection

• D.

Reduction

C. Convection
Explanation
Convection is the transfer of heat by the flow of a liquid or gas. This occurs when a fluid, such as air or water, is heated and rises due to its lower density. As it rises, it carries heat energy with it, creating a flow of hot fluid. Conversely, the cooler fluid sinks, creating a continuous circulation of heat. This process is commonly observed in everyday life, such as when warm air rises from a heater or when hot water circulates in a pot on a stove.

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• 20.

### ____________ energy to particles makes them move faster and farther apart, taking up more space. The opposite occurs when energy is taken away.

• A.

• B.

Subtracting

• C.

Multiplying

• D.

Dividing

Explanation
When energy is added to particles, it increases their kinetic energy, causing them to move faster and collide with each other more frequently. This increased movement and collisions result in the particles spreading out and occupying more space. Therefore, adding energy to particles makes them move faster and farther apart.

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• 21.

### ___________- is the transfer of heat through space. Matter does not need to be present. The sun reaches the earth through this kind of heat transfer.

• A.

Convection

• B.

Conduction

• C.

• D.

Reduction

Explanation
Radiation is the transfer of heat through space without the need for matter to be present. This type of heat transfer allows the sun's heat to reach the earth.

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• 22.

### A major source of heat is _________ . It gets its energy from nuclear reactions.

• A.

Fossil fuels

• B.

The sun

• C.

Gas

• D.

The moon

B. The sun
Explanation
The sun is a major source of heat as it gets its energy from nuclear reactions. Through the process of nuclear fusion, the sun releases a tremendous amount of heat and light energy. This energy is then radiated outwards, warming the surrounding space and reaching the Earth. The sun's heat is essential for sustaining life on our planet and plays a crucial role in various natural processes such as weather patterns, photosynthesis, and the water cycle.

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• 23.

### Fossil fuels formed ______ of years ago from the remains of plants and animals. They provide energy when they are burned.

• A.

Thousands

• B.

Millions

• C.

Billions

• D.

Trillions

B. Millions
Explanation
Fossil fuels formed millions of years ago from the remains of plants and animals. These organic materials underwent a process of decomposition and were subjected to heat and pressure over an extended period of time, resulting in the formation of fossil fuels. When these fuels are burned, they release energy in the form of heat and light.

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• 24.

### Fossil fuels are nonrenewable resources and once they are used up they are gone forever.

• A.

True

• B.

False

A. True
Explanation
Fossil fuels, such as coal, oil, and natural gas, are formed over millions of years from the remains of ancient plants and animals. These resources are finite and cannot be replenished within a human lifetime. Once these fossil fuels are extracted and burned for energy, they cannot be regenerated, making them nonrenewable. Therefore, the statement that fossil fuels are gone forever once they are used up is true.

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• 25.

### Scientists are looking for ways to produce heat using products that are ___________________.

• A.

Renewable

• B.

Non-renewable

• C.

Very common

• D.

Rare