Heat And Temperature Quiz For Class 7 Quiz

Reviewed by Matt Balanda

Matt Balanda, BS (Aerospace Engineering) |

Science Teacher

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Matt Balanda, a Calvary Chapel Christian School leader with a Bachelor's in Aerospace Engineering and Mathematics, transitioned from Aerospace Engineering to Education with a Master's from California Baptist University. As the High School Vice-Principal and Physics teacher, he nurtures students' love of learning and faith, creating an enriching and transformational educational experience.

, BS (Aerospace Engineering)

By Allen Wanghong

Allen Wanghong

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1/10 Questions

When used the Celsius scale,what is the boiling point for water?
- 50 degrees
- 100 degrees
- 0 degrees
- 27 degrees
- -100 degrees

About This Quiz

Are you good at science subjects? Do you think you'll be able to pass this 'Heat and temperature quiz' that is designed for grade 7 students? Let's see how much you can score. Many people think that heat and temperature are related to each other, but they are different concepts discussed in grade 7. Give this quiz a try and See morerefresh your memory, don’t forget to share it with your classmates! Good luck.

Heat And Temperature Quiz For Class 7 Quiz - Quiz

2.

The particle model of matter clearly states:
- Matter is a big chunk of ice cream.
- All substances are made of tiny particles too small to be seen. They are always moving and have spaces in them.
- Atoms are actually found only in solids and liquids. Something else is in Gas.
- Matter is food for animals.
- Radiation can affect the model of matter
Correct Answer

A. All substances are made of tiny particles too small to be seen. They are always moving and have spaces in them.

Explanation

The correct answer is that all substances are made of tiny particles too small to be seen. This is a fundamental concept in the particle model of matter, which states that all matter is composed of particles that are too small to be seen with the naked eye. These particles are constantly in motion and have spaces between them. This concept helps explain various properties of matter, such as its ability to change shape and size, and its behavior under different conditions.

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41
3.

Which of the following processes transfers heat through direct contact between objects?
- Convection
- Radiation
- Conduction
- Evaporation
Correct Answer

A. Conduction

Explanation

Conduction is the process of heat transfer through direct contact between objects. When two objects at different temperatures touch, heat flows from the warmer object to the cooler one until thermal equilibrium is reached. This occurs in solids, particularly metals, where particles are tightly packed and can easily transfer kinetic energy. Convection involves heat transfer in fluids (liquids or gases), radiation transfers heat through electromagnetic waves, and evaporation refers to the process of a liquid turning into vapor, not directly related to heat transfer via contact.

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40
4.

Which of the following measures the average kinetic energy of the particles in a substance?
- Heat
- Temperature
- Thermal energy
- None of the above
Correct Answer

A. Temperature

Explanation

Temperature measures the average kinetic energy of the particles in a substance. It indicates how fast particles are moving: the higher the temperature, the faster the particles move. Heat, on the other hand, is the transfer of energy between substances due to a temperature difference. Thermal energy refers to the total kinetic energy of particles in an object, and specific heat is the amount of heat required to raise the temperature of a substance by 1 degree.

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10
5.

Gas turning into a solid is called:
- Deposition
- Freezing
- Evaporation
- Condensation
- Pemmican
Correct Answer

A. Deposition

Explanation

Deposition is a phase transition in which a gas transforms directly into a solid without passing through the liquid phase. This process occurs when the temperature of a gas drops below its deposition point, causing the gas molecules to lose energy and come together to form a solid. In contrast, freezing refers to the transition of a liquid to a solid, while evaporation and condensation involve the phase changes between liquid and gas. Deposition is the specific term used for the direct transition from gas to solid.

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20
6.

Radiation can come from:
- Britney Spears
- A chocolate bar
- A Lightbulb that is broken
- A Wall
- The Sun
Correct Answer

A. The Sun

Explanation

The Sun is a natural source of radiation. It emits various forms of electromagnetic radiation, including visible light, ultraviolet rays, and infrared radiation. This radiation is essential for life on Earth as it provides heat and light energy. However, excessive exposure to certain types of solar radiation, such as ultraviolet rays, can be harmful to living organisms. Therefore, it is important to protect oneself from overexposure to the Sun's radiation by using sunscreen, wearing protective clothing, and seeking shade when necessary.

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25
7.

Chemical energy is:
- Energy from Coal and wood.
- Energy from breathing.
- The heat you give off.
- Hydro-Electric Dams
- Circumference
Correct Answer

A. Energy from Coal and wood.

Explanation

Chemical energy refers to the energy stored in the bonds of chemical compounds, such as coal and wood. When these substances undergo combustion, the bonds are broken and energy is released in the form of heat and light. Coal and wood are examples of fossil fuels, which contain stored chemical energy that can be harnessed and converted into other forms of energy, such as electricity. Therefore, the given answer "Energy from Coal and wood" correctly identifies chemical energy as the energy derived from these sources.

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18
8.

Fossil Fuels are:
- Non-Renewable
- Delicious foods!
- The fuel you get when you use coconut lubricants.
- A wink for MSN.
- Never going to run out
Correct Answer

A. Non-Renewable

Explanation

Fossil fuels are non-renewable resources because they are formed from the remains of plants and animals that lived millions of years ago, and their formation takes a very long time. Once these fossil fuels, such as coal, oil, and natural gas, are extracted and burned, they cannot be replaced within a human lifespan. Therefore, their supply is limited and they will eventually run out if consumed at the current rate. This is why it is important to explore and develop alternative, renewable sources of energy to reduce our dependence on fossil fuels.

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25
9.

The fastest process of heat transfer is _____________.
- Radiation
- Conduction
- Convection
- None of the above
Correct Answer

A. Radiation

Explanation

Radiation is the fastest process of heat transfer because it does not require any medium to transfer heat. It can occur through empty space and is not dependent on direct contact between objects. Radiation involves the emission of electromagnetic waves, such as infrared radiation, which can travel at the speed of light. Conduction and convection, on the other hand, require a medium, such as a solid or a fluid, to transfer heat and are generally slower processes.

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10
10.

State true or false- A block of ice can radiate and absorb heat.
- True
- False
Correct Answer

A. True

Explanation

A block of ice can radiate and absorb heat because all objects with a temperature above absolute zero emit thermal radiation. This means that even though the ice is cold, it still emits some amount of thermal energy in the form of electromagnetic waves. Additionally, the ice can absorb heat from its surroundings through conduction or convection, allowing it to melt and increase in temperature. Therefore, it is true that a block of ice can both radiate and absorb heat.

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22

Matt Balanda |BS (Aerospace Engineering) |

Science Teacher

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Expert Reviewed by
Matt Balanda
Jun 23, 2008

Quiz Created by
Allen Wanghong

Heat And Temperature Quiz For Class 7 Quiz

When used the Celsius scale,what is the boiling point for water?

Quiz Preview

The particle model of matter clearly states:

Which of the following processes transfers heat through direct contact between objects?

Which of the following measures the average kinetic energy of the particles in a substance?

Gas turning into a solid is called:

Radiation can come from:

Chemical energy is:

Fossil Fuels are:

The fastest process of heat transfer is _____________.

State true or false- A block of ice can radiate and absorb heat.