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Practice

Heat Transfer in Nature — Practice

15 questions 15 min Recall + understand

  1. Q1. The process of heat transfer from the hotter part of an object to its colder part is called

  2. Q2. The process of heat transfer that takes place by the actual movement of particles of a liquid or a gas is called

  3. Q3. Heat transfer directly from a hot object to us, as we feel near a fireplace, takes place by the process called

  4. Q4. Materials that allow heat to pass through them easily are called

  5. Q5. Materials that do not allow heat to pass through them easily are called poor conductors of heat. They are also known as

  6. Q6. In solids, heat transfer takes place mainly through the process of

  7. Q7. The heat of the Sun reaches the Earth mainly through the process of

  8. Q8. Heat transfer by radiation requires

  9. Q9. During the day, the movement of cooler air from the sea towards the land in a coastal area is called

  10. Q10. At night, the movement of cooler air from the land towards the sea in a coastal area is called

  11. Q11. The continuous movement of water — upward as water vapour and downward through precipitation, passing through soil, rocks and plants and finally returning to water bodies — is called the

  12. Q12. The underground layers of sediments and rocks that store water in their pore spaces are called

  13. Q13. Which of the following materials is a good conductor of heat?

  14. Q14. Which of the following is true about the particles of a solid during conduction of heat?

  15. Q15. Palden recalls from his Grade 6 Science and Social Science that, for us on the Earth, the main source of heat and light is

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