Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.

Homework Help

Lesson: Conduction and Convection

In this lesson, we will learn how to describe heat transfer through solid materials via conduction and define the factors that determine the effectiveness of insulation.

Sample Question Videos

04:03

Worksheet • 6 Questions • 1 Video

Q1:

Which of the following does the energy transferred per second through a layer of insulating material depend on?

  1. The thickness of the material
  2. The mass of the material
  3. The color of the material
  4. The thermal conductivity of the material
  5. The temperature difference across the material
  • Aa, d, e
  • Bc, d, e
  • Ca, b, c
  • Db, d, e
  • Ea, d, c

Q2:

Which of the following is the correct definition of convection?

  • AConvection is the process of high-energy particles moving away from a part of a material that is hotter to one that is colder.
  • BConvection is the process of heat transferring from one part of a solid to another by the collision of particles and the movement of electrons within the solid.
  • CConvection is the process of high-energy particles moving away from a part of a material that is colder to one that is hotter.
  • DConvection is the process of energy transferring from a hot object via the radiation of electromagnetic waves.

Q3:

Which of the following materials is likely to have the lowest thermal conductivity?

  • AWood
  • BTin
  • CCopper
  • DGold
  • EIron
Preview

Related Lessons

Related Videos

Related Worksheets