Chapter 8: Transmission of Heat Class 7 MCQS

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Students will explore the fascinating realm of heat and its transmission in this interesting chapter. This chapter takes students on a trip through the methods by which heat moves from one location to another in an effort to spark their curiosity and comprehension. Modes of Heat Transfer: Unravel the mysteries of conduction, convection, and radiation. Recognize the various ways that heat energy passes through gases, liquids, and solids. Transmission of Heat Class 7 MCQS Learn about the idea of conduction and how heat is transferred through different kinds of materials. Take part in real-world exercises to understand the concepts underlying this type of heat transmission. Convection: Explore the fascinating realm of convection while learning how fluid movement carries heat. Examine situations in real life where convection is important. Radiation: Provide insight into the mysterious phenomenon of radiation .Transmission of Heat Class 7 MCQS Recognize how heat can be transported even in the absence of a material medium via electromagnetic waves.

Learn about the significance of insulation in halting heat loss .Chapter 8: Transmission of Heat Class 7 MCQS Investigate effective insulators and see how they help to keep the temperature balanced. To support learning, our approachable materials include thought-provoking articles, interactive tests, and entertaining films. Pupils will be provided with an array of resources that accommodate various learning preferences, guaranteeing a thorough comprehension of the chapter.

Chapter 8: Transmission of Heat Class 7 MCQS

Transmission of Heat ( PART 1 )

1. Which of the following is NOT a mode of heat transfer?

 Compression

 Convection

 Radiation

 Conduction

2. Heat is transferred from one place to another primarily through which of the following?

 All of them

 Radiation

 Convection

 Conduction

3. In which of the following materials does heat transfer occur mainly through conduction?

 Glass

 Air

 Metals

 Water

4. Which of the following is an example of convection?

 Feeling the warmth of the sun on a sunny day

 Heating water in a metal pot

 Warm air rising from a heater

 Feeling the heat from a fireplace

5. Which material is the best conductor of heat among the following options?

 Wood

 Plastic

 Aluminum

 Rubber

6. The process by which heat is transferred in the form of electromagnetic waves is called:

 Radiation

 Convection

 Insulation

 Conduction

7. Which of the following objects will cool faster when left in the open air?

 Black shirt

 Red shirt

 White shirt

 Blue shirt

8. Why do we wear woolen clothes in winter?

 Woolen clothes absorb heat from the body

 Woolen clothes conduct heat away from the body

 Woolen clothes reflect heat away from the body

 Woolen clothes trap air and prevent heat loss from the body

9. The transfer of heat by the movement of fluids or gases is called:

 Convection

  Insulation

 Conduction

 Radiation

10. Which of the following surfaces absorbs heat faster from the sun?

 Smooth and shiny surfaces

 Rough and dark surfaces

 Transparent surfaces

 Insulating surfaces

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